Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10716297 | Automatic fish feeder | — | 2020-07-21 |
| 8302796 | Utility box anti-theft lock brackets | — | 2012-11-06 |
| 6412510 | Wellhead safety valve control system | — | 2002-07-02 |
| 6116268 | Wellhead safety valve control system | — | 2000-09-12 |
| 6053711 | Pump for pressurizing control system | — | 2000-04-25 |
| 6015134 | Pneumatic actuator assembly | — | 2000-01-18 |
| 5971353 | Dump/stop valve for surface controlled subsurface safety valve | — | 1999-10-26 |
| 5791285 | Automatic aquatic food and water delivery device | — | 1998-08-11 |
| 5590685 | High-low indicator | — | 1997-01-07 |
| 5464040 | Safety valve actuator | — | 1995-11-07 |
| 5341837 | Two line pilot valve | — | 1994-08-30 |
| 5291918 | Safety valve actuator assembly | — | 1994-03-08 |
| 5224898 | Cushion connector | Ilya Mayzus | 1993-07-06 |
| 5070900 | Safety valve actuator assembly | — | 1991-12-10 |
| 4844466 | Block puzzle | Irene Johnson | 1989-07-04 |
| 4784392 | Block puzzle | Irene Johnson | 1988-11-15 |
| 4759738 | Floating cushion sub | — | 1988-07-26 |
| 4703812 | Mobile drilling apparatus | — | 1987-11-03 |
| 4593914 | Wellhead sealing system | — | 1986-06-10 |
| 4494778 | Casing hanger | — | 1985-01-22 |
| 4287776 | Force transducer | — | 1981-09-08 |
| 4268988 | """2"" in ""1"" Bobber super and regular" | — | 1981-05-26 |