Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10554253 | Narrowband impulse radio system and method | — | 2020-02-04 |
| 9997845 | Embedded symmetric multiple axis antenna system with isolation among the multiple axes | Christopher David Pittman, James L. Richards, Stephen A. Werner | 2018-06-12 |
| 9285453 | Method of near-field electromagnetic ranging and location | Robert Edward DePierre, Alfred Hans Unden, Eric Richards | 2016-03-15 |
| 9209525 | Directive, electrically-small UWB antenna system and method | Robert Edward DePierre | 2015-12-08 |
| 8922440 | Space efficient magnetic antenna method | Robert Edward DePierre, James David Fluhler, Kazimierz Siwiak, Glenn Wolenec, Jerome Sylvester Gabig +1 more | 2014-12-30 |
| 8643538 | Near field electromagnetic location system and method | Robert Edward DePierre, David Wesley Langford | 2014-02-04 |
| 8599011 | Firefighter location and rescue equipment employing path comparison of mobile tags | Michael Jason Meares, Stephen A. Werner, Alfred Hans Unden, Clark Della Silva, Jason Kai Siang Kang | 2013-12-03 |
| 8436780 | Planar loop antenna system | Eric Richards, Andrew James Compston | 2013-05-07 |
| 8326451 | Inventory control and method | Peter Beucher | 2012-12-04 |
| 8253626 | Multiple phase state near-field electromagnetic system and method for communication and location | Andrew James Compston, Robert Edward DePierre, James Matthew Barron | 2012-08-28 |
| 8018383 | Method and apparatus for determining location using signals-of-opportunity | Alfred Hans Unden, Eric Richards, Robert Edward DePierre | 2011-09-13 |
| 8002140 | Baby bowl | Barbara McNew Schantz, Patrick Allan McNew | 2011-08-23 |
| 7957833 | Asset localization identification and movement system and method | Peter Beucher | 2011-06-07 |
| 7880684 | Small aperture broadband localizing system | — | 2011-02-01 |
| 7859452 | Near field electromagnetic calibration system | David Wesley Langford | 2010-12-28 |
| 7787513 | Transmitting and receiving spread spectrum signals using continuous waveforms | Kazimierz Siwiak, James L. Richards | 2010-08-31 |
| 7755552 | Space efficient magnetic antenna system | Robert Edward DePierre, James David Fluhler, Kazimierez Siwiak, Glenn Wolenec, Jerome Sylvester Gabig | 2010-07-13 |
| 7637388 | Baby bowl | Barbara McNew Schantz, Patrick Allan McNew | 2009-12-29 |
| 7600423 | Volume or fluid level sensing system and method | Herbert U. Fluhler | 2009-10-13 |
| 7592949 | Near field electromagnetic positioning calibration system and method | David Wesley Langford | 2009-09-22 |
| 7541968 | System and method for detecting an intruder using impulse radio technology | David Hall, Scott M. Yano | 2009-06-02 |
| 7538715 | Electromagnetic location and display system and method | David Wesley Langford | 2009-05-26 |
| 7439924 | Offset overlapping slot line antenna apparatus | — | 2008-10-21 |
| 7414571 | Low frequency asset tag tracking system and method | Robert Edward DePierre | 2008-08-19 |
| 7391383 | Chiral polarization ultrawideband slot antenna | — | 2008-06-24 |