Inventor
Steven Robert Johnson
Inventor
Boulder City, NV, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements17%
C01CAmmonia17%
C02FTreatment of water, waste water, sewage, or sludge17%
C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases17%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide17%
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.
2000Patents assigned to TEXACO INC (1)· patent assignee history
2000Based in Boulder City, NV, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXACO INC | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder City, NV, US | 1 | 2000 |