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2022
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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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Invention
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Rod lock out clamp. A rod lock out clamp is disclosed. The lock out clamp includes a housing havi... |
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2020
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Invention
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Stuffing box with pressurized fluid chamber and related methods. A stuffing box for sealing the e... |
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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
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Invention
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Pump drive head with stuffing box.
A pump drive head for a progressing cavity pump comprises a t... |
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Invention
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Wellhead assembly with integrated tubing rotator. Embodiments of a wellhead assembly have a tubul... |
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Invention
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Wellhead assembly with integrated tubing rotator.
Embodiments of a wellhead assembly h... |
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2016
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Invention
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Polish rod locking clamp. A pump drive head for a progressing cavity pump comprises a top mounted... |
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2015
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P/S
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Wellhead drives, namely, gear drives, belt drives and hydraulic drives; progressive cavity pumps;... |
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2013
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Invention
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Safety guard for a rotatable member. Embodiments of a safety guard, fit concentrically over a rot... |
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Invention
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Drive head safety guard. Embodiments of a safety guard, fit concentrically over a rotating member... |
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P/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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P/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
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Invention
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Pulling clamp for continuous rod or coiled tubing strings. A pulling clamp is provided for releas... |
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Invention
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Pulling clamp for continuous rod or coiled tubing strings.
A pulling clamp is provided for relea... |
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Invention
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Pulling clamp for continuous rod or coiled tubing strings.
A pulling clamp is pr... |
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P/S
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Wellhead drives namely gear drives, belt drives and hydraulic drives; progressive cavity pumps; s... |
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P/S
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A releaseable clamp that supports and holds a rod string in wellhead equipment for use in the oil... |
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2011
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Invention
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A continuous rod pump drive system. In a downhole rod-driven pump, continuous rod is used to driv... |
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Invention
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Continuous rod pump drive system.
In a downhole rod-driven pump, continuous rod is used to drive... |
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Invention
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A continuous rod pump drive system.
In a downhole rod-driven pump, continuous rod driv... |
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2006
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Invention
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Cam-actuated centrifugal brake for preventing backspin. A cam assisted centrifugal brake or clutc... |
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Invention
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Cam actuated centrifugal brake for preventing backspin. A cam assisted centrifugal brake or clutc... |
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2005
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Invention
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Cam actuated centrifugal brake for wellhead drives.
The present invention has a cam as... |
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2003
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Invention
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Stuffing box for progressing cavity pump drive. Progressive cavity (PC) pump drive heads require ... |
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2002
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Invention
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Stuffing box for progressing cavity pump drive.
Progressive cavity (PC) pump dri... |
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2001
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Invention
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Pump drive head with stuffing box. A pump drive head for a progressing cavity pump comprises a to... |
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Invention
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Pump drive head with stuffing box. A drive head assembly for use to fluid sealingly rotate a rod ... |
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Invention
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Polish rod locking clamp. A polished rod lock out clamp for use in securing the polished rod in a... |
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2000
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Invention
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Pump drive head with leak-free stuffing box, centrifugal brake and polish rod locking clamp.
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