Inventor
Robert A. Walter
Inventor
Glendale, AZ, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Dprimary
F04DNon-positive-displacement pumps33%
F01DNon-positive displacement machines or engines, e.g. steam turbines17%
F16KValves17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–2010Patents assigned to GEN ELECTRIC (3)· patent assignee history
1980Based in Concord, MA, US· patent location history
2009Based in Melrose, MA, US· patent location history
2010Based in Glendale, AZ, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 3 | 1980–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Glendale, AZ, US | 1 | 2010 |
| Melrose, Massachusetts, US | 1 | 2009 |
| Concord, Massachusetts, US | 1 | 1980 |