Inventor
Sumitra SUBRAHMANYAN
Inventor
US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
E21BEarth or rock drilling33%
PatentTitleYear
12,312,534Treating fluid comprising hydrocarbons, water, and polymer202512,215,276Ph control in fluid treatment202511,834,606Treating fluid comprising hydrocarbons, water, and polymer202311,591,893PH control in fluid treatment202311,242,739Treating fluid comprising hydrocarbons, water, and polymer2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to CHEVRON USA INC (5)· patent assignee history
2022–2025Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHEVRON USA INC | 5 | 2022–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 5 | 2022–2025 |