Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10280702 | Multistage high pressure fracturing system with counting system | Robert Graf | 2019-05-07 |
| 10221648 | Multistage high pressure fracturing system with counting system | Robert Graf | 2019-03-05 |
| 10060243 | Multistage fracturing system with electronic counting system | Robert Graf | 2018-08-28 |
| 9752409 | Multistage fracturing system with electronic counting system | Robert Graf | 2017-09-05 |