Inventor
Thomas A. Immel
Inventor
Malone, WI, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Lprimary
F01LCyclically operating valves for machines or engines26%
F02BInternal-combustion piston engines23%
F02FCylinders, pistons or casings, for combustion engines13%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
Y10TTechnical subjects covered by former us classification10%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines6%
F02NStarting of combustion engines3%
G06FElectric digital data processing3%
LOC153%
PatentTitleYear
10,838,934Modifying archive data without table changes20206,941,914'Internal combustion engine'20056,904,883'Modular internal combustion engines'20056,612,275'Mid cam engine'20036,581,562'Open center recoil starter'2003D0468751'Engine shroud'20036,499,453'Mid cam engine'20026,279,522'Drive train for overhead cam engine'20016,276,324'Overhead ring cam engine with angled split housing'20015,947,070'Molded plastic camshaft with seal ring'19995,884,593'Head and overhead camshaft assembly for an internal combustion engine'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2005Patents assigned to TECUMSEH PRODUCTS CO (10)· patent assignee history
1999–2005Based in Malone, WI, US· patent location history
2020Patents assigned to IBM (1)· patent assignee history
2020Based in Boeblingen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TECUMSEH PRODUCTS CO | 10 | 1999–2005 |
| IBM | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Malone, WI, US | 10 | 1999–2005 |
| Boeblingen, DE | 1 | 2020 |