Issued Patents All Time
Showing 76–100 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5067511 | High presssure fluid emergency shutoff valve | — | 1991-11-26 |
| 5025832 | Multiple orifice rotatable disc in-line restrictor valve | — | 1991-06-25 |
| 5020568 | Unitized disc flow control assembly for a restrictor valve | — | 1991-06-04 |
| 5012834 | Fluid pressure flare relief valve | — | 1991-05-07 |
| 4977918 | Pressure/vacuum relief valve | — | 1990-12-18 |
| 4967787 | Unitized disc flow control assembly for a restrictor valve | — | 1990-11-06 |
| 4930536 | Pipeline road crossing sealing system | — | 1990-06-05 |
| 4922950 | Unitized disc flow control assembly for a restrictor valve | — | 1990-05-08 |
| 4896690 | Pressure and thermal relief valve | — | 1990-01-30 |
| 4896689 | Cylinder pressure relief valve | — | 1990-01-30 |
| 4874007 | Restrictor valve flow passage pop-up wear indicator | — | 1989-10-17 |
| 4787409 | Rupture pin valve system | — | 1988-11-29 |
| 4741254 | Pump plunger | — | 1988-05-03 |
| 4724857 | Pressure relief valve | — | 1988-02-16 |
| 4634095 | Multiple stage choke valve | — | 1987-01-06 |
| 4622993 | Well pipe float valve | — | 1986-11-18 |
| 4596377 | Restrictor valve operator | — | 1986-06-24 |
| D283313 | Liquid sample container cap with a filler tube | — | 1986-04-08 |
| 4580453 | Gear case oil sampler | — | 1986-04-08 |
| D283304 | Liquid sample container with a filler tube | — | 1986-04-08 |
| 4570685 | Vacuum tube engine oil sampler | — | 1986-02-18 |
| 4566486 | Soft seat for safety valve | Wesley L. Taylor | 1986-01-28 |
| 4524811 | Engine oil sampling device | — | 1985-06-25 |
| 4446886 | Safety relief valve soft seat | Wesley L. Taylor | 1984-05-08 |
| 4437492 | Poppet check valve | — | 1984-03-20 |