Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10502027 | Oil field tubular and an internal sleeve for use therewith, and a method of deactivating a float valve within the oil field tubular | — | 2019-12-10 |
| 10151173 | Float valve hold open devices and methods therefor | — | 2018-12-11 |
| 8342382 | Determining the quality of a friction weld using a double differential | Gavin J. BAXTER, Simon E. BRAY | 2013-01-01 |