[1.1] An end fitting
`for a sucker rod
`comprising:
`
`[1.2] an exterior
`surface, a closed
`end, an open end,
`and an interior
`surface,
`[1.3] the interior
`surface comprising
`a wedge system
`defining a cavity,
`wherein the wedge
`system comprises
`three wedge
`shaped portions
`having an apex, a
`leading edge and a
`trailing edge, each
`apex forming a
`perimeter of equal
`dimension within
`the cavity that is
`the narrowest part
`of the cavity
`associated with
`each wedge shaped
`portion such that
`the leading edge is
`longer than the
`trailing edge with
`the leading edge
`facing the open end
`and the trailing
`edge facing the
`
`’162 Independent Claims
`[20.1] A sucker rod
`[11.1]A sucker rod
`comprising: a fiber
`comprising a fiber
`composite rod having
`composite rod having a
`a first end and a
`first end and a second
`second end; and end
`end; and end fittings
`fittings on each end of
`on each end of the
`the fiber composite
`fiber composite rod for
`rod for coupling
`coupling together a
`together a plurality of
`plurality of fiber
`fiber composite rods,
`composite rods, the
`the end fitting
`end fitting comprising:
`comprising:
`[20.2] an exterior
`surface, a closed end,
`an open end, and an
`interior surface,
`
`[11.2] an exterior
`surface, a closed end,
`an open end, and an
`interior surface,
`
`[11.3] the interior
`surface comprising a
`wedge system defining
`a cavity, wherein the
`wedge system
`comprises three wedge
`shaped portions having
`an apex, a leading edge
`and a trailing edge,
`each apex forming a
`perimeter of equal
`dimension within the
`cavity that is a
`narrowest part of the
`cavity associated with
`each wedge shaped
`portion, such that the
`leading edge is longer
`than the trailing edge
`with the leading edge
`facing the open end
`and the trailing edge
`facing the closed end
`with respect to each
`wedge shaped portion,
`
`[20.3] wherein the
`interior surface
`comprises a wedge
`system defining a
`cavity wherein the
`wedge system
`comprises an interior
`wedge shaped portion,
`at least one
`intermediate wedge
`shaped portion and an
`exterior wedge shaped
`portion, each wedge
`shaped portion having
`an apex, a leading
`edge and a trailing
`edge, each apex
`forming a perimeter of
`equal dimension
`within the cavity that
`is a narrowest part of
`the cavity associated
`with each wedge
`shaped portion, such
`that the leading edge is
`longer than the trailing
`edge with the leading
`
`[31.1] A method for
`manufacturing a
`sucker rod
`comprising the steps
`of: constructing an
`end fitting
`comprising
`
`[31.2] an exterior
`surface, a closed end,
`an open end, and an
`interior surface,
`
`[31.3] the interior
`surface comprising a
`wedge system
`defining a cavity
`wherein the wedge
`system comprises an
`interior wedge shaped
`portion, at least one
`intermediate wedge
`shaped portion and an
`exterior wedge
`shaped portion,
`wherein each wedge
`shaped portion
`comprises an apex, a
`leading edge and a
`trailing edge, wherein
`each apex forms a
`perimeter of equal
`dimension within the
`cavity that is a
`narrowest part of the
`cavity associated with
`each wedge shaped
`portion such that the
`leading edge is longer
`than the trailing edge
`
`
`
`
`
`Pet'rs Exhibit 1011
`John Crane v. Finalrod
`IPR2016-00521
`
`Page0000001
`
`

`
`closed end with
`respect to each
`wedge shaped
`portion,
`
`[1.4] wherein the
`leading edge is
`shorter at the
`closed end and
`increases
`progressively from
`the closed end to
`the open end
`thereby
`compensating for a
`compression of the
`sucker rod in the
`end fitting,
`
`[1.5] the trailing
`edge is shorter at
`the closed end and
`increases
`progressively from
`the closed end to
`the open end
`thereby
`compensating for a
`back pressure
`associated with the
`sucker rod in the
`end fitting,
`
`edge facing the open
`end and the trailing
`edge facing the closed
`end with respect to
`each wedge shaped
`portion,
`
`[20.4] wherein each
`leading edge is shorter
`at the closed end and
`increases
`progressively from the
`closed end to the open
`end thereby
`compensating for a
`compression of the
`sucker rod in the end
`fitting,
`
`[11.4] wherein the
`leading edge is shorter
`at the closed end and
`increases progressively
`from the closed end to
`the open end thereby
`compensating for a
`compression of the
`sucker rod in the end
`fitting,
`
`[11.5] the trailing edge
`is shorter at the closed
`end and increases
`progressively from the
`closed end to the open
`end thereby
`compensating for a
`back pressure
`associated with the
`sucker rod in the end
`fitting,
`
`[20.5] each trailing
`edge is shorter at the
`closed end and
`increases
`progressively from the
`closed end to the open
`end thereby
`compensating for a
`back pressure
`associated with the
`sucker rod in the end
`fitting,
`
`with the leading edge
`facing the open end
`and the trailing edge
`facing the closed end
`with respect to each
`wedge shaped
`portion;
`[31.4] engaging an
`end of a fiber
`composite rod into
`the cavity of the end
`fitting for creating a
`symmetrical void
`between the fiber
`composite rod and
`the wedge shaped
`portions of the end
`fitting, whereby the
`symmetrical void has
`symmetry along the
`longitudinal axis of
`the fiber composite
`rod;
`[31.5] injecting an
`epoxy into the
`symmetrical void to
`bond with the fiber
`composite rod and to
`fixedly engage the
`wedge shaped
`portions of the wedge
`system of the end
`fitting for securing
`the end fitting to the
`fiber composite rod
`such that as the epoxy
`is uniform in
`thickness between the
`wedge shaped
`portions and the fiber
`composite rod, and
`whereby the
`maximum thickness
`is substantially
`constant and the
`minimum thickness is
`
`
`
`
`
`Page0000002
`
`

`
`[11.6] wherein the first
`wedge shaped portion
`is proximate to the
`closed end and
`receives compressive
`forces that are greater
`than the compressive
`forces which the
`second wedge shaped
`portion receives, and
`wherein the second
`wedge shaped portion
`receives compressive
`forces that are greater
`than the compressive
`forces which the third
`wedge shaped portion
`receives, such that the
`compressive forces
`create a force
`differential along the
`wedge system greater
`at the closed end of the
`fitting and decreasing
`toward the open end of
`the fitting.
`
`[20.6] wherein the
`interior wedge shaped
`portion is proximate to
`the closed end and
`receives compressive
`forces that are greater
`than the compressive
`forces which the
`intermediate wedge
`shaped portion
`receives, and wherein
`the intermediate
`wedge shaped portion
`receives compressive
`forces that are greater
`than the compressive
`forces for which the
`exterior wedge shaped
`portion receives, such
`that the compressive
`forces create a force
`differential along the
`wedge system greater
`at the closed end of
`the fitting and
`decreasing toward the
`open end of the fitting.
`
`substantially
`constant,
`[31.6] wherein the
`interior wedge shaped
`portion is proximate
`to the closed end and
`receives compressive
`forces that are greater
`than the compressive
`forces which the
`intermediate wedge
`shaped portion
`receives, and wherein
`the intermediate
`wedge shaped portion
`receives compressive
`forces that are greater
`than the compressive
`forces which the
`exterior wedge
`shaped portion
`receives, such that the
`compressive forces
`create a force
`differential along the
`wedge system greater
`at the closed end of
`the fitting and
`decreasing toward the
`open end of the
`fitting.
`
`
`
`[1.6] wherein the
`first wedge shaped
`portion is
`proximate to the
`closed end and
`receives
`compressive forces
`that are greater
`than the
`compressive forces
`which the second
`wedge shaped
`portion receives,
`and wherein the
`second wedge
`shaped portion
`receives
`compressive forces
`that are greater
`than the
`compressive forces
`which the third
`wedge shaped
`portion receives,
`such that the
`compressive forces
`create a force
`differential along
`the wedge system
`greater at the
`closed end of the
`fitting and
`decreasing toward
`the open end of the
`fitting.
`
`
`
`
`
`
`
`Page0000003
`
`

`
`2. The end fitting
`of claim 1, wherein
`the wedge system
`creates different
`compressive forces
`on each respective
`wedge shaped
`portion thereof,
`with the
`compressive force
`being inversely
`proportional to a
`length of each
`edge.
`
`3. The end fitting
`of claim 2, wherein
`the compressive
`force on each edge
`is inversely
`proportional to the
`length of each
`edge.
`
`
`
`
`
`
`
`
`
`
`
`Dependent Claims 2, 12, 21, and 32
`21. The sucker rod of
`12. The sucker rod of
`claim 20, wherein
`claim 11, wherein
`the wedge system
`the wedge system
`creates different
`creates different
`compressive forces
`compressive forces
`on each respective
`on each respective
`wedge shaped
`wedge shaped
`portion thereof with
`portion thereof with
`the compressive
`the compressive
`force being inversely
`force being inversely
`proportional to a
`proportional to a
`length of each edge.
`length of each edge.
`
`32. The method for
`manufacturing a sucker
`rod of claim 31, further
`comprising the step of
`creating different
`compressive forces on
`each respective surface
`of the wedge shaped
`portions with the
`compressive force being
`proportional to the
`length of each edge.
`
`Dependent Claims 3, 13, 22, 34, 35, and 38
`13. The sucker rod of
`22. The sucker rod of
`34. The method for
`claim 12, wherein
`claim 21, wherein
`manufacturing a sucker
`the compressive
`the compressive
`rod of claim 31, wherein
`force on each edge is
`force on each edge is
`the compressive force on
`inversely
`inversely
`each leading edge is
`proportional to the
`proportional to the
`inversely proportional to
`length of each edge.
`length of each edge.
`the length of each
`leading edge.
`
`35. The method for
`manufacturing a sucker
`rod of claim 31, wherein
`the compressive force on
`each trailing edge is
`inversely proportional to
`the length of each
`trailing edge.
`
`38. The method for
`manufacturing a sucker
`rod of claim 31, wherein
`each wedge shaped
`portion has a length
`inversely proportional to
`the compressive force
`applied to the wedge
`shaped portion.
`
`
`
`
`
`
`
`
`
`
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`Page0000004
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`

`
`36. The method for
`manufacturing a sucker
`rod of claim 31, wherein
`the plurality of wedge
`shaped portions are
`determined by the angle
`associated between a
`first surface and a second
`surface of each concaved
`surface.
`
`
`
`37. The method for
`manufacturing a sucker
`rod of claim 36, wherein
`the angle between the
`first surface and the
`second surface of each
`concaved surface is
`obtuse.
`
`Dependent Claims 4, 14, 23, and 36
`23. The sucker rod of
`14. The sucker rod of
`claim 20, wherein
`claim 11, wherein
`the wedge shaped
`the wedge shaped
`portions are
`portions are
`determined by an
`determined by an
`angle associated with
`angle associated with
`the apex between the
`the apex between the
`leading edge and the
`leading edge and the
`trailing edge.
`trailing edge.
`
`Dependent Claims 5, 15, 24, and 37
`15. The sucker rod of
`24. The sucker rod of
`claim 14, wherein
`claim 23, wherein
`the angle between
`the angle between
`the leading edge and
`the leading edge and
`the trailing edge of
`the trailing edge of
`each concaved
`each concaved
`surface is obtuse.
`surface is obtuse.
`
`
`
`
`
`Dependent Claims 6, 16, and 25
`16. The sucker rod of
`25. The sucker rod of
`claim 11, further
`claim 20, further
`comprising the fiber
`comprising the fiber
`composite rod
`composite rod
`having each end
`having each end
`engaged centrally
`engaged centrally
`within the end
`within the end
`fitting.
`fitting.
`Dependent Claims 8, 17, and 26
`17. The sucker rod of
`26. The sucker rod of
`claim 16, further
`claim 25, further
`comprising an epoxy
`comprising an epoxy
`placed in the cavity
`placed in the cavity
`for bonding with the
`for bonding with the
`fiber composite rod
`fiber composite rod
`in the cavity for
`in the cavity for
`fixedly securing the
`fixedly securing the
`end fitting with the
`end fitting with the
`fiber composite rod.
`fiber composite rod.
`
`
`
`
`
`4. The end fitting
`of claim 1, wherein
`the wedge shaped
`portions are
`determined by an
`angle associated
`with the apex
`between the
`leading edge and
`the trailing edge.
`
`5. The end fitting
`of claim 4, wherein
`the angle between
`the leading edge
`and the trailing
`edge of each
`concaved surface is
`obtuse.
`
`6. The end fitting
`of claim 1, further
`comprising a fiber
`composite rod
`having an end
`engaged centrally
`within the end
`fitting.
`
`8. The end fitting
`of claim 6, further
`comprising an
`epoxy placed in the
`cavity for bonding
`with the fiber
`composite rod in
`the cavity for
`fixedly securing
`the end fitting with
`the fiber composite
`rod.
`
`Page0000005
`
`

`
`9. The end fitting
`of claim 8, wherein
`the epoxy is
`uniform in
`thickness between
`the wedge shaped
`portions and the
`fiber composite rod
`such that the
`maximum
`thickness is
`substantially
`constant and the
`minimum thickness
`is substantially
`constant.
`
`10. The end fitting
`of claim 6, further
`comprising a
`beveled recess in
`the closed end for
`accepting and
`centrally aligning
`the fiber composite
`rod within the end
`fitting.
`
`Dependent Claims 9, 18, and 27
`27. The sucker rod of
`18. The sucker rod of
`claim 26, wherein
`claim 17, wherein
`the epoxy is uniform
`the epoxy is uniform
`in thickness between
`in thickness between
`the wedge shaped
`the wedge shaped
`portions and the fiber
`portions and the fiber
`composite rod such
`composite rod such
`that the maximum
`that the maximum
`thickness is
`thickness is
`substantially constant
`substantially constant
`and the minimum
`and the minimum
`thickness is
`thickness is
`substantially
`substantially
`constant.
`constant.
`
`Dependent Claims 10, 19, and 28
`19. The sucker rod of
`28. The sucker rod of
`claim 16, further
`claim 25, further
`comprising a beveled
`comprising a beveled
`recess in the closed
`recess in the closed
`end for accepting and
`end for accepting and
`centrally aligning the
`centrally aligning the
`fiber composite rod
`fiber composite rod
`within the end
`within the end
`fitting.
`fitting.
`
`7. The end fitting
`of claim 6, further
`comprising a
`second end fitting
`engaged with a
`second end of the
`fiber composite
`rod.
`
`
`
`
`
`
`Remaining Dependent Claims
`
`
`29. The sucker rod of
`claim 20, further
`comprising a ratio of
`the trailing edge to
`the leading edge of
`the interior wedge
`shaped portion that is
`larger than a ratio of
`
`
`
`
`
`See Element [31.5]
`
`
`
`
`
`
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`Page0000006
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`
`
`
`
`
`
`
`
`the trailing edge to
`the leading edge of
`each subsequent
`adjacent trailing edge
`to leading edge ratio.
`30. The sucker rod of
`claim 20, further
`comprising the ratio
`of the trailing edge to
`the leading edge of
`the interior wedge
`shaped portion is
`smaller than the ratio
`of the trailing edge to
`the leading edge of
`each subsequent
`adjacent trailing edge
`to leading edge ratio.
`
`
`
`
`
`
`
`
`33. The method for
`manufacturing a sucker
`rod of claim 32, further
`comprising the step of
`the compressive force on
`each surface increasing
`toward the closed end
`and decreasing toward
`the open end.
`39. The method for
`manufacturing a sucker
`rod of claim 31, wherein
`each wedge shaped
`portion has a length that
`increases from the closed
`end to the open end of
`the end fitting.
`40. The method for
`manufacturing a sucker
`rod of claim 31, wherein
`each wedge shaped
`portion has a length that
`decreases from the
`closed end to the open
`end of the end fitting.
`
`
`
`
`
`
`
`
`
`
`
`
`
`
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`Page0000007