Inventor
Ramakrishna Tatavarthi
Inventor
Rochester Hills, MI, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines30%
Y02TClimate change mitigation technologies related to transportation30%
F02DControlling combustion engines20%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles10%
F02NStarting of combustion engines10%
PatentTitleYear
9,903,282'Park positions for variable camshaft phasing systems and methods'20189,879,616'System and method for adjusting the lift state of a valve actuator and for adjusting the number of active cylinders in an engine to improve fuel economy'20188,646,423'Hybrid powertrain assembly including engine with variable valve lift'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014Patents assigned to GM GLOBAL TECH OPERATIONS INC (1)· patent assignee history
2014Patents assigned to JOCSAK JEFF (1)· patent assignee history
2014Patents assigned to NAHRA PAUL R (1)· patent assignee history
2014Patents assigned to TATAVARTHI RAMAKRISHNA (1)· patent assignee history
2014–2018Based in Rochester Hills, MI, US· patent location history
2018Patents assigned to GM GLOBAL TECH OPERATIONS LLC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS LLC | 2 | 2018 |
| GM GLOBAL TECH OPERATIONS INC | 1 | 2014 |
| JOCSAK JEFF | 1 | 2014 |
| NAHRA PAUL R | 1 | 2014 |
| TATAVARTHI RAMAKRISHNAself | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester Hills, MI, US | 3 | 2014–2018 |