Inventor
DENNIS A. ALEXIS
Inventor
US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere27%
E21BEarth or rock drilling27%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
C08LCompositions of macromolecular compounds12%
F17DPipe-line systems12%
C02FTreatment of water, waste water, sewage, or sludge8%
C08JWorking-up4%
PatentTitleYear
12,352,149Compositions containing friction reducers and methods of using thereof in oil and gas operations202512,312,534Treating fluid comprising hydrocarbons, water, and polymer202511,884,879Compositions for use in oil and gas operations202411,834,606Treating fluid comprising hydrocarbons, water, and polymer202311,739,254Methods for use in oil and gas operations202311,261,300Methods and systems for generating aqueous polymer solutions202211,248,160Compositions for use in oil and gas operations2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to CHEVRON USA INC (7)· patent assignee history
2022–2024Patents assigned to CHEVRON ORONITE CO (3)· 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 | 7 | 2022–2025 |
| CHEVRON ORONITE CO | 3 | 2022–2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 7 | 2022–2025 |