Inventor
Dumitru Puiu
Inventor
Sterling Heights, MI, US
Overview
Patents· 42 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Kprimary
B60KArrangement or mounting of propulsion units or of transmissions in vehicles27%
F16HGearing23%
F16DCouplings for transmitting rotation16%
Y02TClimate change mitigation technologies related to transportation13%
B60WConjoint control of vehicle sub-units of different type or different function6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
Y10TTechnical subjects covered by former us classification3%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology2%
F02DControlling combustion engines2%
H02KDynamo-electric machines2%
PatentTitleYear
11,131,240Engine assembly including a force splitter for varying compression ratio using an actuator202110,962,064Bidirectional overrunning clutch for a motor vehicle202110,914,378Roller-gear shift by wire parking system202110,690,198Electric motor torque limiting clutch202010,495,223Shift by wire parking system20199,482,288'Clutch system for a transmission'20169,387,752'Multi-mode hybrid variable drive unit'20169,353,692'Start-up strategy for hybrid powertrain'20169,109,674'Enhanced electrically variable drive unit'20158,961,343'Clutch system for a transmission'20158,939,858'Electrically variable drive unit'20158,937,413'Electric motor with coolant shield assembly'20158,795,115'Hybrid dual configuration transmission'20148,795,118'Electric motor assist for transmission electric oil pump'20148,657,712'Multi-speed drive unit'20148,651,989'Multi-mode drive unit'20148,512,187'Multi-mode drive unit'20138,444,516'Multi-speed drive unit'20138,382,623'Hybrid transmission having synchronizers'20138,118,703'Hybrid transmission having synchronizers'20128,113,981'Multi-speed epicyclic powershift transmission'20127,503,866'Axle assembly with torque vectoring drive mechanism'20097,361,113'Torque distributing drive unit for motor vehicles'20087,338,403'Torque coupling with power-operated clutch actuator'20087,337,886'Torque transfer mechanisms with power-operated clutch actuator'20087,294,086'Hydraulic control system for multiple clutches in a motor vehicle'20077,281,617'Active torque coupling with hydraulically-actuated rotary clutch actuator'20077,278,947'Power transfer unit for four-wheel drive vehicle'20077,278,943'Power transmission device with electrohydraulic clutch actuator'20077,201,265'Torque transfer mechanism with power-operated clutch actuator'20077,201,264'Torque transfer mechanisms for power-operated clutch actuator'20077,175,558'Torque vectoring drive units with worm driven ball screw clutches'20077,104,379'Power-operated clutch actuator'20067,059,991'Torque vectoring limited slip differential assembly'20067,004,873'Transfer case with electrohydraulic clutch actuator'20067,004,876'Torque vectoring limited slip differential assembly'20066,991,079'Power transfer device with hydraulically-actuated clutch assembly'20066,991,080'Power transmission devices with active torque couplings'20066,971,494'Torque transfer coupling with friction clutch and hydraulic clutch actuator'20056,948,604'Hydraulically-actuated pilot clutch type clutch assembly'20056,945,374'Active torque coupling with hydraulically-actuated ball ramp clutch assembly'20056,848,550'Torque transfer system with two stage ball ramp/clutch actuation'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2021Based in Sterling Heights, MI, US· patent location history
2006–2012Patents assigned to MAGNA POWERTRAIN USA INC (18)· patent assignee history
2012–2016Patents assigned to PUIU DUMITRU (16)· patent assignee history
2012–2015Patents assigned to CHRYSLER GROUP LLC (11)· patent assignee history
2013–2016Patents assigned to TAMAI GORO (7)· patent assignee history
2013–2016Patents assigned to MILLER SCOTT A (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAGNA POWERTRAIN USA INC | 18 | 2006–2012 |
| PUIU DUMITRUself | 16 | 2012–2016 |
| CHRYSLER GROUP LLC | 11 | 2012–2015 |
| TAMAI GORO | 7 | 2013–2016 |
| MILLER SCOTT A | 6 | 2013–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sterling Heights, MI, US | 42 | 2005–2021 |