Issued Patents 2016
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506322 | Downhole tool with expandable annular plug seat assembly having circumferentially overlapping seat segment joints | Patrick Lawrence Prosser, Derek L. Carter | 2016-11-29 |
| 9382787 | Seat assembly for isolating fracture zones in a well | Derek L. Carter, Wesley P. Michalcik | 2016-07-05 |
| 9353598 | Seat assembly with counter for isolating fracture zones in a well | Derek L. Carter | 2016-05-31 |
| 9316084 | Expandable seat assembly for isolating fracture zones in a well | Derek L. Carter | 2016-04-19 |
| 9234406 | Seat assembly with counter for isolating fracture zones in a well | Derek L. Carter | 2016-01-12 |