Inventor
Eugene J. Martin
Inventor
Portage, MI, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F15Bprimary
F15BSystems acting by means of fluids in general33%
F02KJet-propulsion plants24%
Y10TTechnical subjects covered by former us classification19%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles5%
B64CAeroplanes5%
F16KValves5%
G05GControl devices or systems insofar as characterised by mechanical features only5%
Y02TClimate change mitigation technologies related to transportation5%
PatentTitleYear
4,754,694'Fluid actuator with lock position indicating means'19884,714,006'Fluid actuator with feedback mechanism'19874,645,178'Redundant drive mechanisms for a direct drive valve and force motor assembly'19874,627,467'Pilot operated directional control valve'19864,491,059'Fluid actuator with manual lock release and lock position sensor'19854,463,657'Fluid actuator with sequence-power valve'19844,365,539'Fluid pressure actuator with stroke end lock mechanism'19824,192,399'Safety vacuum valve and electric switch for speed control systems'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to DANA CORP (1)· patent assignee history
1980Based in Hagerstown, IN, US· patent location history
1982–1987Patents assigned to PNEUMO CORP (5)· patent assignee history
1982–1988Based in Portage, MI, US· patent location history
1987–1988Patents assigned to PNEUMO ABEX CORP (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PNEUMO CORP | 5 | 1982–1987 |
| PNEUMO ABEX CORP | 2 | 1987–1988 |
| DANA CORP | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Portage, MI, US | 7 | 1982–1988 |
| Hagerstown, IN, US | 1 | 1980 |