Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244118 | Gas blending apparatus | by Edward A. Landry, executor, Thomas W. Clements | 1993-09-14 |
| 4928850 | Gas blending apparatus | Thomas W. Clements | 1990-05-29 |
| 4913184 | Flow control device | — | 1990-04-03 |
| 4874116 | Gas blending apparatus | Thomas W. Clements | 1989-10-17 |
| 4736926 | Valve assembly and coupler therefor | John R. Froehler | 1988-04-12 |
| 4674756 | Structurally supported elastomer sealing element | John R. Froehler | 1987-06-23 |
| 4612952 | Valve assembly and coupler therefor | — | 1986-09-23 |
| 4566476 | Flow control device | Thomas W. Clements | 1986-01-28 |
| 4520953 | Safety apparatus for high pressure systems | — | 1985-06-04 |
| 4509663 | Locking mechanism and valve assembly | — | 1985-04-09 |
| 4484695 | Safety pressure reducing regulator | Thomas W. Clements | 1984-11-27 |
| 4481969 | Fluid pressure control device | Thomas W. Clements | 1984-11-13 |
| 4449412 | Safety pressure gage | Thomas W. Clements | 1984-05-22 |
| 4349136 | Safety pressure reducing regulator | Thomas W. Clements | 1982-09-14 |
| 4343325 | Valve assembly and coupler therefor | — | 1982-08-10 |
| 4305421 | Fluid dispensing system | — | 1981-12-15 |
| 4219040 | Rupture disc safety valve | John R. Froehler | 1980-08-26 |
| 4210172 | Apparatus for dispensing fluid under pressure | Thomas W. Clements | 1980-07-01 |
| 4181143 | Valve assembly and coupler therefor | — | 1980-01-01 |