Inventor
Hans-Guido Kemmer
Inventor
Frankfurt am Main, DE
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 engines60%
Y10TTechnical subjects covered by former us classification40%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (2)· patent assignee history
2014–2016Based in Frankfurt am Main, DE· patent location history
2015Based in Mainz, DE· patent location history
2016Patents assigned to GM GLOBAL TECH OPERATIONS LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GM GLOBAL TECH OPERATIONS INC | 2 | 2014–2015 |
| GM GLOBAL TECH OPERATIONS LLC | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankfurt am Main, DE | 2 | 2014–2016 |
| Mainz, DE | 1 | 2015 |