Inventor
Douglas K. Holland
Inventor
Rialto, CA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B65Gprimary
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors17%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases17%
F02CGas-turbine plants17%
LOC0917%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1993Patents assigned to TEXACO INC (2)· patent assignee history
1992–1993Based in Rialto, CA, US· patent location history
1997Patents assigned to HOLLAND DOUGLAS (1)· patent assignee history
1997Based in Van Nuys, CA, US· patent location history
2011Patents assigned to GEN ELECTRIC (1)· patent assignee history
2011Based in Montgomery, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXACO INC | 2 | 1992–1993 |
| GEN ELECTRIC | 1 | 2011 |
| HOLLAND DOUGLASself | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rialto, California, US | 2 | 1992–1993 |
| Montgomery, Texas, US | 1 | 2011 |
| Van Nuys, California, US | 1 | 1997 |