Inventor
II, James Ray Landrith
Inventor
US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Kprimary
F16KValves50%
Y10TTechnical subjects covered by former us classification50%
PatentTitleYear
11,536,390Slow-shift SPM valve2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to NAT OILWELL VARCO LP (1)· patent assignee history
2022Patents assigned to NAT OILWELL VAREO L P (1)· patent assignee history
2022Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT OILWELL VARCO LP | 1 | 2022 |
| NAT OILWELL VAREO L P | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 1 | 2022 |