loadpatents
Patent applications and USPTO patent grants for Birkholz; Christian.The latest application filed is for "overvoltage protection device with thermal overload protection device".
Patent | Date |
---|---|
Overvoltage protection device with thermal overload protection device Grant 11,146,061 - Birkholz , et al. October 12, 2 | 2021-10-12 |
Space-limited protection module with at least two overvoltage protection elements in parallel current branches Grant 10,971,916 - Finis , et al. April 6, 2 | 2021-04-06 |
Overvoltage Protection Device With Thermal Overload Protection Device App 20200169078 - Birkholz; Christian ;   et al. | 2020-05-28 |
Space-limited Protection Module With At Least Two Overvoltage Protection Elements In Parallel Current Branches App 20190115745 - FINIS; Gernot ;   et al. | 2019-04-18 |
Overvoltage protection device Grant 8,908,346 - Birkholz , et al. December 9, 2 | 2014-12-09 |
Overvoltage Protection Device App 20130010395 - Birkholz; Christian ;   et al. | 2013-01-10 |
Overvoltage protection device Grant 7,411,769 - Schimanski , et al. August 12, 2 | 2008-08-12 |
Overvoltage protection device App 20050231872 - Schimanski, Joachim ;   et al. | 2005-10-20 |
Overvoltage protection device App 20050041349 - Birkholz, Christian ;   et al. | 2005-02-24 |
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