Inventor
Charles E. Jennings
Inventor
Houston, TX, US
Overview
Patents· 62 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling48%
F16LPipes11%
Y10TTechnical subjects covered by former us classification9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
F16KValves6%
F16JPistons4%
C25CProcesses for the electrolytic production, recovery or refining of metals2%
G01BMeasuring length, thickness or similar linear dimensions2%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure2%
H02KDynamo-electric machines2%
PatentTitleYear
9,752,405'Shear ram type blowout preventer'20179,593,550'Shear ram type blowout preventer'20179,341,033'Riser tensioner assembly'20169,255,453'Heavy duty riser connector assembly'20168,684,701'Pumping mud by electrohydrodynamic propulsion'20148,632,318'Pumping mud by electrohydrodynamic propulsion'20148,327,934'Acoustically measuring annulus probe depth'20128,322,428'Casing hanger nesting indicator'20128,286,714'Riser tensioner with shrouded rods'20128,181,931'Mechanically operated hydraulic valve actuator'20128,171,996'Wellhead system having a tubular hanger securable to wellhead and method of operation'20128,136,604'Wireline run fracture isolation sleeve and plug and method of operating same'20128,101,050'System, method, and apparatus for continuous electroplating of elongated workpieces'20127,963,336'Preloaded riser coupling system'20117,819,378'Floating plug gate valve'20107,762,327'Acoustically measuring annulus probe depth'20107,686,091'Device to insert a flexible member into pressurized wellhead housing'20107,686,342'Pipe connector and torque tool'20107,614,447'System, method, and apparatus for energizable metal seals in well heads'20097,591,491'Clamp for an anodeless riser, and methods of constructing and utilizing same'20097,559,366'Flex-lock metal seal system for wellhead members'20097,337,848'Preloaded riser coupling system'20087,331,395'Riser make-up tool'20087,121,349'Wellhead protector'20067,083,653'Implantable human kidney replacement unit'20067,044,227'Subsea well injection and monitoring system'20067,040,407'Collet load shoulder'20066,974,341'Subsea well electrical connector'20056,805,382'One stroke soft-land flowline connector'20046,615,921'Apparatus and method for remote adjustment of drill string centering to prevent damage to wellhead'20036,581,691'Landing adapter for soft landing a tubing hanger in the bore of a production tree or wellhead housing'20036,516,876'Running tool for soft landing a tubing hanger in a wellhead housing'20036,394,186'Apparatus for remote adjustment of drill string centering to prevent damage to wellhead'20026,152,229'Subsea dual in-line ball valves'20005,988,282'Pressure compensated actuated check valve'19995,890,541'BOP isolation test tool'19995,551,803'Riser tensioning mechanism for floating platforms'19965,536,975'Device for projecting scanning effects with standard automotive headlamps'19965,492,017'Inductive pressure transducer'19965,249,629'Full bore casing hanger running tool'19935,188,180'Hydraulic circuit for a well tool'19935,172,112'Subsea well pressure monitor'19925,163,514'Blowout preventer isolation test tool'19924,903,992'Locking ring for oil well tool'19904,893,677'Guidelineless reentry system with retracting rollers'19904,871,282'Tension leg platform tendon top connector'19894,856,594'Wellhead connector locking device'19894,842,307'Wellhead load supporting system'19894,823,878'Guidelineless reentry system with fixed rollers'19894,823,879'Guidelineless reentry system with nonrotating funnel'19894,754,813'Tree capless cone seal manifold'19884,747,606'Bi-directional metal-to-metal seal'19884,708,376'Hydraulic collet-type connector'19874,595,063'Subsea casing hanger suspension system'19864,568,062'Fire-resistant gate valve'19864,553,589'Fire-safe surface-controlled subsurface safety valve control line/wellhead connector and blowout preventer'19854,510,960'Valve stem-to-bonnet backseat'19854,471,965'High-pressure fire-resistant metal seal'19844,312,320'Incinerator apparatus and method'19824,309,958'Coating lance centralizer'19824,165,263'Method of preparing an electrolytic cell for operation'19794,089,769'Packing gland for cell tapping tube'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1979Based in Maryville, TN, US· patent location history
1982–2012Based in Houston, TX, US· patent location history
1984–1986Patents assigned to FMC CORP (4)· patent assignee history
1987–2014Patents assigned to VETCO GRAY INC (32)· patent assignee history
1988Based in Thousand Oaks, CA, US· patent location history
1992–2004Patents assigned to VETCO GRAY INC ABB (14)· patent assignee history
2009Based in Tustin, MI, US· patent location history
2010–2017Based in Tomball, TX, US· patent location history
2012–2014Patents assigned to JENNINGS CHARLES E (9)· patent assignee history
2016–2017Patents assigned to JENNINGS PHYLLIS A (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VETCO GRAY INC | 32 | 1987–2014 |
| VETCO GRAY INC ABB | 14 | 1992–2004 |
| JENNINGS CHARLES Eself | 9 | 2012–2014 |
| FMC CORP | 4 | 1984–1986 |
| JENNINGS PHYLLIS A | 3 | 2016–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 43 | 1982–2012 |
| Tomball, Texas, US | 13 | 2010–2017 |
| Maryville, TN, US | 2 | 1978–1979 |
| Tustin, MI, US | 1 | 2009 |
| Thousand Oaks, California, US | 1 | 1988 |