Zylstra; Henry J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zylstra; Henry J..The latest application filed is for "portable remote racking device for a circuit breaker".
- Zylstra; Henry J. - Alburnett IA US
- Zylstra; Henry J. - Lincoln NE
- Zylstra; Henry J. - Alburnette IA
| Patent | Date |
|---|---|
| Earth leakage detection module with robust transient suppression Grant 8,400,744 - Zylstra , et al. March 19, 2 | 2013-03-19 |
| Portable remote racking device for a circuit breaker Grant 8,395,065 - Zylstra , et al. March 12, 2 | 2013-03-12 |
| Current sensor for earth leakage module Grant 8,238,066 - Zylstra August 7, 2 | 2012-08-07 |
| Portable Remote Racking Device For A Circuit Breaker App 20120055765 - Zylstra; Henry J. ; et al. | 2012-03-08 |
| Earth Leakage Detection Module With Robust Transient Suppression App 20110286134 - Zylstra; Henry J. ; et al. | 2011-11-24 |
| Current Sensor For Earth Leakage Module App 20110116197 - Zylstra; Henry J. | 2011-05-19 |
| Quick responding instantaneous trip system Grant 6,654,217 - Zylstra , et al. November 25, 2 | 2003-11-25 |
| Quick responding instantaneous trip system App 20020085330 - Zylstra, Henry J. ; et al. | 2002-07-04 |
| Plug-in power supply Grant RE35,190 - Zylstra , et al. * March 26, 1 | 1996-03-26 |
| Electronic control circuit for a bidirectional motor Grant 4,910,443 - Zylstra , et al. March 20, 1 | 1990-03-20 |
| Plug-in power supply Grant 4,901,219 - Erickson , et al. February 13, 1 | 1990-02-13 |
| High saturation three coil current transformer Grant 4,746,891 - Zylstra May 24, 1 | 1988-05-24 |
| Time delay undervoltage release Grant 4,631,624 - Dvorak , et al. December 23, 1 | 1986-12-23 |
| Trip indicator assembly for electronic circuit breaker Grant 4,466,042 - Zylstra , et al. August 14, 1 | 1984-08-14 |
| Circuit breaker having an electronic fault sensing and trip initiating unit Grant 4,213,165 - Zylstra , et al. July 15, 1 | 1980-07-15 |
| Circuit breaker having an electronic fault sensing and trip initiating unit Grant 4,209,818 - Zylstra , et al. June 24, 1 | 1980-06-24 |
| Circuit breaker having an electronic fault sensing and trip initiating unit Grant 4,208,693 - Dickens , et al. June 17, 1 | 1980-06-17 |
| Portable ground fault circuit interrupter Grant 4,197,567 - Dietz , et al. April 8, 1 | 1980-04-08 |
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