Issued Patents All Time
Showing 101–125 of 127 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341214 | NDIR gas analysis using spectral ratioing technique | — | 1994-08-23 |
| 5335534 | Functional testing method for toxic gas sensors | — | 1994-08-09 |
| 5222389 | Multi-channel gas sample chamber | — | 1993-06-29 |
| 5215498 | Ventilation controller | John R. McGibbon | 1993-06-01 |
| 5167686 | Catheter system for controlled removal by radiant energy of biological obstructions | — | 1992-12-01 |
| 5163332 | Gas sample chamber | — | 1992-11-17 |
| 5103096 | Rapid fire detector | — | 1992-04-07 |
| 5079422 | Fire detection system using spatially cooperative multi-sensor input technique | — | 1992-01-07 |
| 5060508 | Gas sample chamber | — | 1991-10-29 |
| 5053754 | Simple fire detector | — | 1991-10-01 |
| 5047639 | Concentration detector | — | 1991-09-10 |
| 5026992 | Spectral ratioing technique for NDIR gas analysis using a differential temperature source | — | 1991-06-25 |
| 4968887 | Gaseous nitrogen detection using excited-state laser spectroscopy | — | 1990-11-06 |
| 4928703 | Non-contact respiration rate and apnea monitor using pulmonary gas exchange technique | — | 1990-05-29 |
| 4850697 | Resonant piezoelectric chopper for infrared radiation | Larry J. Schoennauer, Ronald B. Alers, Keith Kaste, Ross E. Johnson | 1989-07-25 |
| 4817601 | Catheter system for controlled removal by radiant energy of biological obstructions | Laurence A. Roth, Stephen J. Herman, Carl R. Turnquist, Edward L. Sinofsky | 1989-04-04 |
| 4795240 | High speed infrared shutter | Lawrence J. Schoennauer | 1989-01-03 |
| 4773428 | Apparatus and method for measuring viscoelastic properties of mammalian cervical mucous | Pierre Khuri-Yakub, M. Edward Motamedi, Marcus Wong | 1988-09-27 |
| 4756622 | Compact apparatus for measuring absorption by a gas | — | 1988-07-12 |
| 4730112 | Oxygen measurement using visible radiation | — | 1988-03-08 |
| 4694173 | Nondispersive gas analyzer having no moving parts | — | 1987-09-15 |
| 4691714 | Rheological testing apparatus and method | Pierre Khuri-Yakub, M. Ed Motamedi, Marcus Wong | 1987-09-08 |
| 4591721 | Oxygen analysis employing absorption spectroscopy | — | 1986-05-27 |
| 4578762 | Self-calibrating carbon dioxide analyzer | — | 1986-03-25 |
| 4384543 | Combined underinflation indicator and relief valve | — | 1983-05-24 |