Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| RE46230 | Inverter with network interface | Benjamin D. Sweet, Raymond Hanjaya, Aftab Ali Khan | 2016-12-06 | |
| 8304929 | Inverter with network interface | Benjamin D. Sweet, Raymond Hanjaya, Aftab Ali Khan | 2012-11-06 | $3,567,000 |
| 7286859 | Adaptive radio frequency wakeup detection | Ken Jon Cunningham, Sam Heap, Greg B. McCormick | 2007-10-23 | $5,977,000 |
| 6121780 | Material interface level sensing | Norman F. Marsh | 2000-09-19 | |
| 6085589 | Material level sensing system calibration | — | 2000-07-11 | |
| 5644299 | Ultrasonic material level measurement | — | 1997-07-01 | |
| 5161411 | Material level indication | — | 1992-11-10 | |
| 4779460 | Sensor and system for measuring the level of a liquid in a container | — | 1988-10-25 |