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Patent applications and USPTO patent grants for Koppel; Hans-Michael.The latest application filed is for "motor/pump unit having a single elastic diaphragm".
Patent | Date |
---|---|
Motor/pump unit having a single elastic diaphragm Grant 10,508,649 - Krebs , et al. Dec | 2019-12-17 |
Electric motor-pump assembly Grant 10,493,971 - Kreh , et al. De | 2019-12-03 |
Motor/pump Unit Having A Single Elastic Diaphragm App 20180073500 - Krebs; Stephan ;   et al. | 2018-03-15 |
Pump unit driven by an electric motor Grant 9,828,981 - Krebs , et al. November 28, 2 | 2017-11-28 |
Pump assembly Grant 9,784,264 - Krebs , et al. October 10, 2 | 2017-10-10 |
Electric Motor-pump Assembly App 20170274886 - Kreh; Heinrich ;   et al. | 2017-09-28 |
Pump Unit Driven By An Electric Motor App 20150030476 - Krebs; Stephan ;   et al. | 2015-01-29 |
Sealing collar Grant 7,600,761 - Drott , et al. October 13, 2 | 2009-10-13 |
Sealing collar App 20060091613 - Drott; Peter ;   et al. | 2006-05-04 |
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