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2022
|
Invention
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Rod lock out clamp. A rod lock out clamp includes a housing having a central bore for receiving a... |
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2020
|
Invention
|
Stuffing box with pressurized fluid chamber and related methods. A stuffing box for sealing the e... |
|
|
Invention
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Stuffing box with pressurized fluid chamber and related methods. A stuffing box and seal cartridg... |
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2018
|
Invention
|
Pump drive head with stuffing box.
A pump drive head for a progressing cavity pump comprises a t... |
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|
Invention
|
Wellhead assembly with integrated tubing rotator. Embodiments of a wellhead assembly have a tubul... |
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2016
|
Invention
|
Polish rod locking clamp. A pump drive head for a progressing cavity pump comprises a top mounted... |
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2015
|
G/S
|
Wellhead drives, namely, gear drives, belt drives and hydraulic drives; progressive cavity pumps;... |
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2013
|
Invention
|
Safety guard for a rotatable member. Embodiments of a safety guard, fit concentrically over a rot... |
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|
Invention
|
Drive head safety guard. Embodiments of a safety guard, fit concentrically over a rotating member... |
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G/S
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A releasable metal clamp that supports and holds a rod string in wellhead equipment for use in th... |
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|
G/S
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Stuffing boxes being part of machines that eliminate oil spills to protect the environment in the... |
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2012
|
Invention
|
Pulling clamp for continuous rod or coiled tubing strings. A pulling clamp is provided for releas... |
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|
Invention
|
Pulling clamp for continuous rod or coiled tubing strings.
A pulling clamp is provided for relea... |
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|
G/S
|
Wellhead drives namely gear drives, belt drives and hydraulic drives; progressive cavity pumps; s... |
|
|
G/S
|
A releaseable clamp that supports and holds a rod string in wellhead equipment for use in the oil... |
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2011
|
Invention
|
A continuous rod pump drive system. In a downhole rod-driven pump, continuous rod is used to driv... |
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|
Invention
|
Continuous rod pump drive system.
In a downhole rod-driven pump, continuous rod is used to drive... |
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2006
|
Invention
|
Cam-actuated centrifugal brake for preventing backspin. A cam assisted centrifugal brake or clutc... |
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2003
|
Invention
|
Stuffing box for progressing cavity pump drive. Progressive cavity (PC) pump drive heads require ... |
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2001
|
Invention
|
Pump drive head with stuffing box. A pump drive head for a progressing cavity pump comprises a to... |
