Inventor
James D. Hendrickson
Inventor
Belleville, MI, US
Overview
Patents· 73 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Hprimary
F16HGearing25%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles18%
Y02TClimate change mitigation technologies related to transportation17%
E21BEarth or rock drilling11%
Y10TTechnical subjects covered by former us classification7%
B60LPropulsion of electrically-propelled vehicles5%
G10LSpeech analysis techniques or speech synthesis3%
B60WConjoint control of vehicle sub-units of different type or different function3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B01DSeparation1%
PatentTitleYear
11,042,834Voice-enabled substitutions with customer notification202110,876,620Vacuum driven hydraulic balance system202010,685,643Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environment202010,621,538Dynamic check digit utilization via electronic tag202010,557,527Wide-node drive system202010,468,015Automated TTS self correction system201910,171,014System and method for electric motor field weakening with variable magnet skew20199,863,522'Torque converter clutch release fluid lubrication'20189,697,818'Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environment'20178,915,343'Method of controlling a dual clutch transmission'20148,914,290'Systems and methods for dynamically improving user intelligibility of synthesized speech in a work environment'20148,904,893'Method of controlling a dual clutch transmission'20148,820,185'Control system for a dual clutch transmission'20148,590,684'Control system for a dual clutch transmission'20138,562,483'Method and system for controlling an EV mode transition in a two-mode hybrid vehicle'20138,499,843'System and method to seal using a swellable material'20138,413,437'Transmission hydraulic control system having independently controlled stator cooling flow'20138,240,390'Method and apparatus for releasing a packer'20128,231,504'Powertrain with dual rotor motor/generator'20128,189,336'Composite cover with integral heat sink'20128,182,391'Electric torque converter for a powertrain and method of operating a vehicle'20128,117,932'Multi-speed transmission with countershaft gearing'20128,069,661'Transmission hydraulic control system having an accumulator'20118,065,930'Hydraulic actuator for transmissions having reduced noise'20118,056,429'Multi-speed dual clutch transmission with countershaft gearing arrangement'20118,011,261'Multi-speed transmission with countershaft gearing arrangement'20117,780,567'Input brake assembly'20107,752,934'Multi speed transmission having a countershaft gearing arrangement'20107,708,080'Packer'20107,703,346'Multi-speed transmission with countershaft gearing'20107,665,537'System and method to seal using a swellable material'20107,644,639'Multi-speed transmission with countershaft gearing'20107,610,825'Multi-speed transmission with countershaft gearing'20097,510,019'Forming a metal-to-metal seal in a well'20097,473,199'Two-planetary electrically variable transmissions with multiple fixed ratios'20097,387,586'Three planetary electrically variable transmissions with mechanical reverse'20087,347,797'Electro-mechanical transmission with six speed ratios and a method of redesigning a transmission'20087,325,612'One-trip cut-to-release apparatus and method'20087,278,941'Electrically variable transmission with selective fixed ratio operation'20077,261,657'Electrically variable transmission having three interconnected planetary gear sets and fixed input'20077,261,660'Electrically variable transmission arrangement with transfer gear between gear sets and clutches'20077,261,658'Electrically variable transmission having two planetary gear sets with one stationary member and clutched input'20077,261,659'Electrically variable transmission having two planetary gearsets'20077,252,612'Electrically variable transmission having two planetary gear sets with one fixed interconnection and a stationary member'20077,252,611'Electrically variable transmission having two planetary gear sets with one interconnecting member and clutched input'20077,238,132'Electrically variable transmission arrangement with transfer gear between motor/generators'20077,238,131'Electrically variable transmission having three planetary gear sets and three fixed interconnections'20077,232,393'Electrically variable transmission having two planetary gear sets with two fixed interconnections'20077,220,201'Electrically variable transmission having two planetary gear sets with two fixed interconnections and clutch input'20077,220,203'Electrically variable transmission with selective fixed ratio operation'20077,220,200'Electrically variable transmission arrangement with spaced-apart simple planetary gear sets'20077,220,202'Electrically variable transmission with improved gradeability'20077,192,373'Electrically variable transmission having two planetary gear sets with one fixed interconnection'20077,179,187'Electrically variable transmission having three interconnected planetary gear sets, two clutches and two brakes'20077,179,185'Electrically variable transmission having three interconnected planetary gear sets, two clutches and at least two brakes'20077,179,186'Electrically variable transmission having three interconnected planetary gear sets'20077,172,525'Electrically variable transmission having a mechanical reverse mode'20077,169,074'Electrically variable transmission having two planetary gear sets with one stationary member'20077,101,298'Electric variable transmission with de-coupled engine charging in reverse'20066,645,121'Vehicle transmission system for controlling clutch temperature'20036,564,876'Packer'20036,315,050'Packer'20016,186,227'Packer'20015,931,232'Mechanical connection between base pipe and screen and method for use of the same'19995,857,520'Backup shoe for well packer'19995,842,522'Mechanical connection between base pipe and screen and method for use of the same'19985,636,691'Abrasive slurry delivery apparatus and methods of using same'19975,433,269'Retrievable packer for high temperature, high pressure service'19955,311,938'Retrievable packer for high temperature, high pressure service'19945,211,226'Metal-to-metal seal for oil well tubing string'19934,886,113'Positive indication shear ring'19894,296,807'Crossover tool'19814,270,608'Method and apparatus for gravel packing multiple zones'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1999Based in Carrollton, TX, US· patent location history
2001–2013Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (8)· patent assignee history
2001–2013Based in Sugar Land, TX, US· patent location history
2003–2007Patents assigned to GEN MOTORS CORP (12)· patent assignee history
2006–2014Based in Belleville, MI, US· patent location history
2007–2014Patents assigned to GM GLOBAL TECH OPERATIONS INC (31)· patent assignee history
2011–2014Patents assigned to HENDRICKSON JAMES D (15)· patent assignee history
2012–2020Based in Oxford, MI, US· patent location history
2013–2014Patents assigned to GHIKE CHINAR S (5)· patent assignee history
2014–2021Based in Ben Avon, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 31 | 2007–2014 |
| HENDRICKSON JAMES Dself | 15 | 2011–2014 |
| GEN MOTORS CORP | 12 | 2003–2007 |
| SCHLUMBERGER TECHNOLOGY CORP | 8 | 2001–2013 |
| GHIKE CHINAR S | 5 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Belleville, MI, US | 39 | 2006–2014 |
| Carrollton, Texas, US | 10 | 1981–1999 |
| Sugar Land, Texas, US | 9 | 2001–2013 |
| Oxford, MI, US | 8 | 2012–2020 |
| Ben Avon, Pennsylvania, US | 6 | 2014–2021 |