Patents per Year
Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5553188 | Vaporizer and liquid delivery system using same | — | 1996-09-03 |
| 5437542 | Positive displacement pump system | — | 1995-08-01 |
| 5371828 | System for delivering and vaporizing liquid at a continuous and constant volumetric rate and pressure | — | 1994-12-06 |
| 5361800 | Liquid pump and vaporizer | — | 1994-11-08 |
| 5040559 | Modulating positive shutoff mechanism | — | 1991-08-20 |
| 4796854 | Balanced solenoid valves | — | 1989-01-10 |
| 4679585 | Flowmeter-controlled valving | — | 1987-07-14 |
| 4571801 | Method of manufacturing a cartridge unit for establishing controlled laminar-flow conditions | — | 1986-02-25 |
| 4522058 | Laminar-flow channeling in thermal flowmeters and the like | — | 1985-06-11 |
| 4464932 | Thermal mass flowmetering | Fred Ramberg | 1984-08-14 |
| 4327894 | Linearized controlled valves | William R. Clark | 1982-05-04 |