Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9546895 | Time domain reflectometry based method for emulsion detection and profiling | Feng Tang, Steven R. Page | 2017-01-17 |
| 9360361 | System and method for emulsion measurement and profiling | Feng Tang | 2016-06-07 |
| 9081081 | Diode switched front end for guided wave radar level transmitter | Feng Tang | 2015-07-14 |
| 7889120 | Pulsed radar level detection system using pulse dithering to eliminate inaccuracies caused by tank rattle | — | 2011-02-15 |
| 7271646 | Loop powered process control instrument power supply | — | 2007-09-18 |
| 7259952 | Process control instrument intrinsic safety barrier | Stanislaw Bleszynski | 2007-08-21 |
| 6980174 | Process control instrument intrinsic safety barrier | Stanislaw Bleszynski | 2005-12-27 |
| 5183242 | Method and apparatus for feeding sheets | Robert Allen Crimmins | 1993-02-02 |
| 5079981 | Cutter mechanism | Karl Singer | 1992-01-14 |
| 4553141 | Picture control for RGB monitor | David K. Nienaber | 1985-11-12 |
| 4460918 | Automatic switching circuit for a dual mode television receiver | — | 1984-07-17 |
| 4446443 | Amplifier having reduced power dissipation and improved slew rate | Fred D. Johnson, George J. Tzakis | 1984-05-01 |
| 4370674 | Stabilization network for a cathode ray tube | Fred D. Johnson, Wayne E. Bretl | 1983-01-25 |
| 4347483 | Frequency and phase lock loop with separated AFC and phase locking | Jouke N. Rypkema | 1982-08-31 |
| 4323924 | Automatic phase adjusting circuit for a synchronous detector | — | 1982-04-06 |
| 4253118 | Synchronous detection system | — | 1981-02-24 |