Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808616 | Acoustic array liquid level sensor | Charles F. Bremigan, III | 2023-11-07 |
| 11714176 | Helical acoustic liquid level sensor | Charles F. Bremigan, III | 2023-08-01 |
| 11320938 | Acoustic mode touch panels with selectable characteristics | — | 2022-05-03 |
| 11320939 | Touch sensor with multiple modes of operation, increased reliability and ease of integration | Charles F. Bremigan, III | 2022-05-03 |
| 10551238 | Ultrasonic level sensor for aerated fluids | Brian J. Truesdale, Kenneth A. Albrecht, Charles F. Bremigan, III | 2020-02-04 |
| 9880044 | Acoustic array sensor | Charles F. Bremigan, III | 2018-01-30 |
| 9658719 | Touch screen with acoustic mode reflective and conversion arrays | — | 2017-05-23 |
| 9285261 | Acoustic flexural order level sensor | — | 2016-03-15 |
| 9121746 | Liquid level sensor with improved temperature range | Brian J. Truesdale, Kenneth A. Albrecht, Steven C. Crusius | 2015-09-01 |
| 8919193 | Ultrasonic liquid level detector | — | 2014-12-30 |
| 8180582 | System and method for sensing liquid levels | — | 2012-05-15 |
| 7812269 | Acoustic wave touch detection circuit and method | Wayne J. Wehrer, Chris Kalmus, Charles F. Bremigan, III | 2010-10-12 |
| 7511704 | Acoustic wave touch bar system and method of use | Wayne J. Wehrer, Charles F. Bremigan, III | 2009-03-31 |
| 7463249 | Acoustic wave touch actuated switch with feedback | Charles F. Bremigan, III | 2008-12-09 |
| 7307627 | Individual acoustic wave switch | Charles F. Bremigan, III | 2007-12-11 |
| 7265746 | Acoustic wave touch detection circuit and method | Wayne J. Wehrer, Chris Kalmus, Charles F. Bremigan, III | 2007-09-04 |
| 7106310 | Acoustic wave touch actuated switch | Charles F. Bremigan, III, Chris Kalmus | 2006-09-12 |
| 7053529 | Torsional acoustic wave sensor | — | 2006-05-30 |
| 7026943 | Acoustic wave ice and water detector | Chris Kalmus | 2006-04-11 |
| 6933932 | Acoustic wave sensor with EMAT drive | — | 2005-08-23 |
| 6313829 | Edge treatment method for ultrasonic wave absorption | Thomas L. Tolt | 2001-11-06 |
| 6087599 | Touch panels having plastic substrates | — | 2000-07-11 |
| 5648643 | Acoustic wave touch panel with inlayed, etched arrays and method of making the panel | Charles F. Bremigan, III | 1997-07-15 |
| 5573077 | Acoustic touch position sensor | — | 1996-11-12 |
| 5451723 | Acoustic wave touch panel for use with a non-active stylus | Jianming Huang | 1995-09-19 |