Inventor
Paul L. Camwell
Inventor
Calgary, CA
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling49%
G01VGeophysics11%
F16LPipes9%
G10KSound-producing devices7%
H01RElectrically-conductive connections7%
Y10TTechnical subjects covered by former us classification4%
H01FMagnets2%
H01QAntennas, i.e. radio aerials2%
H02KDynamo-electric machines2%
H04LTransmission of digital information, e.g. telegraphic communication2%
PatentTitleYear
10,408,050Acoustic receiver for use on a drill string20199,458,712'Acoustic telemetry stacked-ring wave delay isolator system and method'20168,982,667'Acoustic telemetry stacked-ring wave delay isolator system and method'20158,922,387'Tapered thread EM gap sub self-aligning means and method'20148,823,543'Telemetry wave detection apparatus and method'20148,634,274'Spindle for mud pulse telemetry applications'20148,624,464'Brush and brush housing arrangement to mitigate hydrodynamic brush lift in fluid-immersed electric motors'20148,437,220'Parallel-path acoustic telemetry isolation system and method'20138,393,412'System and method for accurate wellbore placement'20138,308,199'Electrical isolation connector for electromagnetic gap sub'20128,270,251'Acoustic isolator'20128,174,929'Spindle for mud pulse telemetry applications'20128,115,651'Drill string telemetry methods and apparatus'20128,022,840'Telemetry transmitter optimization using time domain reflectometry'20117,928,861'Telemetry wave detection apparatus and method'20117,900,968'Electrical isolation connector for electromagnetic gap sub'20117,872,945'Dynamic efficiency optimization of piezoelectric actuator'20117,821,178'Brush and brush housing arrangement to mitigate hydrodynamic brush lift in fluid-immersed electric motors'20107,817,061'Telemetry transmitter optimization using time domain reflectometry'20107,768,423'Telemetry transmitter optimization via inferred measured depth'20107,462,957'Multi-conductor plug and socket apparatus'20087,252,160'Electromagnetic gap sub assembly'20076,956,791'Apparatus for receiving downhole acoustic signals'20056,816,053'Circuit to mitigate transformer shorted turn'20046,572,152'Subassembly electrical isolation connector for drill rod'20036,367,323'Dynamic pressure device for oil drill systems'20026,158,532'Subassembly electrical isolation connector for drill rod'20006,061,024'Duplexing antenna for portable radio transceiver'20006,050,353'Subassembly electrical isolation connector for drill rod'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2019Based in Calgary, CA· patent location history
2005–2016Patents assigned to XACT DOWNHOLE TELEMETRY INC (12)· patent assignee history
2010–2014Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (6)· patent assignee history
2012–2015Patents assigned to CAMWELL PAUL L (11)· patent assignee history
2012–2014Patents assigned to DOPF ANTHONY R (5)· patent assignee history
2012–2015Patents assigned to WHALEN DAVID D (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XACT DOWNHOLE TELEMETRY INC | 12 | 2005–2016 |
| CAMWELL PAUL Lself | 11 | 2012–2015 |
| SCHLUMBERGER TECHNOLOGY CORP | 6 | 2010–2014 |
| DOPF ANTHONY R | 5 | 2012–2014 |
| WHALEN DAVID D | 5 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Calgary, CA | 29 | 2000–2019 |