Patent | Date |
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Ground Fault Circuit Interrupter Using Frequency Recognition And Measurement App 20220131362 - Batko; Thomas James ;   et al. | 2022-04-28 |
Ground fault circuit interrupter using frequency recognition and measurement Grant 11,211,781 - Batko , et al. December 28, 2 | 2021-12-28 |
Self-test Auto Monitor Ground Fault Circuit Interrupter (gfci) With Power Denial App 20210278477 - Batko; Thomas James ;   et al. | 2021-09-09 |
Self-test auto monitor ground fault circuit interrupter (GFCI) with power denial Grant 11,025,049 - Batko , et al. June 1, 2 | 2021-06-01 |
Ground Fault Circuit Interrupter Using Frequency Recognition And Measurement App 20200161849 - Batko; Thomas James ;   et al. | 2020-05-21 |
Self-test Auto Monitor Ground Fault Circuit Interrupter (gfci) With Power Denial App 20200028347 - Batko; Thomas James ;   et al. | 2020-01-23 |
Ground fault circuit interrupter using frequency recognition and measurement Grant 10,541,526 - Batko , et al. Ja | 2020-01-21 |
Self-testing auto monitor ground fault circuit interrupter (GFCI) with power denial Grant 10,418,799 - Batko , et al. Sept | 2019-09-17 |
Self-testing Auto Monitor Ground Fault Circuit Interrupter (gfci) With Power Denial App 20170155240 - Batko; Thomas James ;   et al. | 2017-06-01 |
Ground Fault Circuit Interrupter Using Frequency Recognition And Measurement App 20170125996 - Batko; Thomas James ;   et al. | 2017-05-04 |
Self-testing auto monitor ground fault circuit interrupter (GFCI) with power denial Grant 9,595,824 - Batko , et al. March 14, 2 | 2017-03-14 |
Self-testing Auto Monitor Ground Fault Circuit Interrupter (gfci) Withpower Denial App 20140347768 - Batko; Thomas James ;   et al. | 2014-11-27 |
Ground fault circuit interruptor (GFCI) device having safe contact end-of-life condition and method of detecting same in a GFCI device Grant 7,800,873 - Batko , et al. September 21, 2 | 2010-09-21 |
Ground fault circuit interruptor (GFCI) device having safe contact end-of-life condition and method of detecting same in a GFCI device App 20080002314 - Batko; Thomas James ;   et al. | 2008-01-03 |
Fault interrupter using microcontroller for fault sensing and automatic self-testing Grant 6,807,035 - Baldwin , et al. October 19, 2 | 2004-10-19 |
Method and apparatus for device-dependent calibration of relays for high accuracy operation at zero-crossing of input power signal Grant 6,566,882 - Baldwin , et al. May 20, 2 | 2003-05-20 |
Method and apparatus for device-dependent calibration of relays for high accuracy operation at zero-crossing of input power signal App 20030001577 - Baldwin, John R. ;   et al. | 2003-01-02 |
Motion sensing system with adaptive timing for controlling lighting fixtures Grant 6,151,529 - Batko November 21, 2 | 2000-11-21 |
Motion sensing system with adaptive timing for controlling lighting fixtures Grant 5,946,209 - Eckel , et al. August 31, 1 | 1999-08-31 |
Two wire air gap off power supply Grant 5,856,905 - Eckel , et al. January 5, 1 | 1999-01-05 |
Three wire air gap off power supply circuit for operating switch and regulating current when switch or load is open Grant 5,777,837 - Eckel , et al. July 7, 1 | 1998-07-07 |
Three wire power supply circuit Grant 5,774,322 - Walter , et al. June 30, 1 | 1998-06-30 |
Ground detection circuit for a three wire power supply Grant 5,726,900 - Walter , et al. March 10, 1 | 1998-03-10 |
Motion sensing system with adaptive timing for controlling lighting fixtures Grant 5,699,243 - Eckel , et al. December 16, 1 | 1997-12-16 |