Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405296 | Electric field detector wearable in multiple orientations | Sabrina Maus, Kristofer Mirjanic | 2025-09-02 |
| 11749977 | Cutting device for the severance of an electrical power cable, or of a strand section | Egbert Frenken, Torsten Darkow, Andreas Lehr | 2023-09-05 |
| 10891848 | System and method for voltage detection and communication between electric field detectors | Michael Z. Standiford, Eli Alexander Johnson | 2021-01-12 |
| 10877081 | System and method for voltage detection for equipment | Michael Z. Standiford, Ryan Berg, Eli Alexander Johnson | 2020-12-29 |
| 10802065 | Wearable electric field detector | James S. Buchanan, Michael Scott Garner, Michael Z. Standiford | 2020-10-13 |
| 9658265 | High voltage digital voltmeter and wireless phaser | Mark R. Hoffman, James S. Buchanan | 2017-05-23 |
| 9592150 | Medical device for the treatment of hemorrhoids, tissue inflammation and other conditions | — | 2017-03-14 |
| 9501040 | Appliance or light timer including rechargeable back-up battery and external charger | — | 2016-11-22 |
| 9494623 | High-voltage detector monitoring system | — | 2016-11-15 |
| 9494632 | High-voltage detector monitoring system | — | 2016-11-15 |
| D737160 | Digital ammeter | Michael Scott Garner, James S. Buchanan | 2015-08-25 |
| 8212549 | Ammeter with improved current sensing | James S. Buchanan, Connor M. McNulty | 2012-07-03 |
| 7746051 | Voltmeter with dual displays | James S. Buchanan | 2010-06-29 |
| 6998832 | High-voltage indicating apparatus and method | — | 2006-02-14 |
| 6913645 | Cementitious material | — | 2005-07-05 |
| 6329924 | Wearable electric field detector | — | 2001-12-11 |
| 6323638 | High-resistance probe and voltage detector incorporating same | — | 2001-11-27 |
| 6264740 | Inorganic cementitious material | — | 2001-07-24 |
| 6130530 | Tester for power transformers and capacitors | — | 2000-10-10 |
| 6124714 | Lightning and surge arrester test apparatus and method | Mark R. Hoffman | 2000-09-26 |
| 5497211 | Indicia display device for eyeglasses or the like | — | 1996-03-05 |
| 5393240 | Separable loadbreak connector | John Mitchell Makal, Wayne W. Lien | 1995-02-28 |
| D326432 | Automobile windshield pennant | — | 1992-05-26 |