Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584656 | Floatless rain gauge | Karl A. Senghaas, Michel E. Senghaas, Colin M. Sanderson | 2009-09-08 |
| 6363785 | Relative location detection sensor | Karl A. Senghaas, Jerzy Michalec, Peter T. Kolonko, Jr., John Gold | 2002-04-02 |
| 5347864 | Liquid level measuring apparatus | Karl A. Senghaas, Jing Wang, Pete T. Kolonko, Jr., Jerzy Michalec | 1994-09-20 |
| 5027284 | Auto-set drink dispenser | Karl A. Senghaas, Jerzy Michalec | 1991-06-25 |
| 4976146 | Liquid level measuring apparatus | Karl A. Senghaas | 1990-12-11 |
| 4583443 | Electronic metronome and rhythm generator | Karl A. Senghaas | 1986-04-22 |
| 4583916 | Electrical control system for oil well bailer pump | Karl A. Senghaas | 1986-04-22 |
| 4516911 | Solid state control system for oil well bailer pump | Karl A. Senghaas | 1985-05-14 |