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Patent applications and USPTO patent grants for Niehoff; Ronaldus.The latest application filed is for "hybrid dc circuit breaker".
Patent | Date |
---|---|
Hybrid DC circuit breaker Grant 11,322,926 - Niehoff May 3, 2 | 2022-05-03 |
Selective circuit breaker Grant 10,483,750 - Niehoff Nov | 2019-11-19 |
Hybrid Dc Circuit Breaker App 20190334340 - NIEHOFF; Ronaldus | 2019-10-31 |
Automatic reclosing alternating current circuit breaker Grant 10,374,410 - Niehoff | 2019-08-06 |
Semi voltage dependent circuit breaker with earth fault and overcurrent protection Grant 10,355,471 - Niehoff July 16, 2 | 2019-07-16 |
Alternating current circuit breaker with self-test capability Grant 10,176,957 - Niehoff J | 2019-01-08 |
Circuit breaker with hybrid switch Grant 9,947,496 - Niehoff April 17, 2 | 2018-04-17 |
Selective Circuit Breaker App 20170163023 - NIEHOFF; Ronaldus | 2017-06-08 |
Alternating Current Circuit Breaker With Self-test Capability App 20160314928 - Niehoff; Ronaldus | 2016-10-27 |
Semi Voltage Dependent Circuit Breaker App 20160301204 - NIEHOFF; Ronaldus | 2016-10-13 |
Automatic Reclosing Alternating Current Circuit Breaker App 20160301200 - NIEHOFF; Ronaldus | 2016-10-13 |
Circuit Breaker With Hybrid Switch App 20160203932 - NIEHOFF; Ronaldus | 2016-07-14 |
Residual-current circuit breaker Grant 9,153,952 - Niehoff October 6, 2 | 2015-10-06 |
Residual-current Circuit Breaker App 20130321965 - Niehoff; Ronaldus | 2013-12-05 |
Trip Unit App 20130049904 - Hemmer; Aloysius ;   et al. | 2013-02-28 |
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