Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9651400 | Systems and methods for generating power through the flow of water | Barth R. Pitchford, William D. Pitchford, Robert Paul Simon, Steven Nagel, Russell S. Smith | 2017-05-16 |
| 9418262 | Method to differentiate radio frequency identification tags from other metal objects | Brian Gentile, Marc Lovend, Leticia Overton, Barth R. Pitchford, Donald S. Pitchford +5 more | 2016-08-16 |
| 9105181 | Systems and methods for generating power through the flow of water | Barth R. Pitchford, William D. Pitchford, Robert Paul Simon, Steven Nagel, Russell S. Smith | 2015-08-11 |
| 9057453 | Wireless fluid shut-off valve | Barth R. Pitchford, John H. Pitchford, William D. Pitchford, Donald S. Pitchford, Steven Nagel +2 more | 2015-06-16 |
| 8807523 | Wireless fluid shut-off valve | Barth R. Pitchford, John H. Pitchford, William D. Pitchford, Donald S. Pitchford, Steven Nagel +2 more | 2014-08-19 |
| 8567757 | Wireless fluid shut-off valve | Barth R. Pitchford, John H. Pitchford, William D. Pitchford, Donald S. Pitchford, Steven Nagel +2 more | 2013-10-29 |
| 5977912 | Apparatus and method for emitter location | — | 1999-11-02 |
| 5341110 | Low phase noise reference oscillator | — | 1994-08-23 |