Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449485 | Flame detector having visible light related processing circuits and infrared related circuits respectively coupled to photodiodes to establish instantaneous dc related signal changes and peak-to-peak ac signals over a predetermined time interval | — | 2016-09-20 |
| 6515283 | Fire detector with modulation index measurement | David A. Castleman, Owen D. Parham | 2003-02-04 |
| 6046452 | Process and system for flame detection | David A. Castleman, Chris A. Selstad | 2000-04-04 |
| 5357967 | Method and apparatus for measuring flow using frequency-dispersive techniques | Robert C. Dixon, Donald E. Bobo, Jr. | 1994-10-25 |
| 4979940 | Infusion system, methodology, and algorithm for identifying patient-induced pressure artifacts | Donald E. Bobo, Jr., Edward Meier, Dennis R. Seguine | 1990-12-25 |
| 4916642 | Environmental control with multiple zone central processor means | Frederick P. Kaiser | 1990-04-10 |
| 4846792 | Automatic infiltration detection system and method | Donald E. Bobo, Jr., Dennis R. Seguine | 1989-07-11 |
| 4742475 | Environmental control system | Frederick P. Kaiser | 1988-05-03 |
| 4654821 | Automatic restart apparatus for a processing system | — | 1987-03-31 |
| 4527247 | Environmental control system | Fredrick Kaiser | 1985-07-02 |