Ludwig Ehrhardt GmbH
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ludwig Ehrhardt GmbH.The latest application filed is for "bore clamp".
- Ludwig Ehrhardt GmbH - Laubach DE
- Ludwig Ehrhardt GmbH - DE DE
| Patent | Date |
|---|---|
| Bore Clamp App 20220126421 - GRAULICH; Oliver | 2022-04-28 |
| Clamping bushing and clamping device Grant 10,940,542 - Graulich March 9, 2 | 2021-03-09 |
| Coupling system Grant 10,427,202 - Grosche October 1, 2 | 2019-10-01 |
| Power-operated tightening nut Grant 9,957,995 - Kolb , et al. May 1, 2 | 2018-05-01 |
| Vise App 20180099382 - HIPPENSTIEL; REINER | 2018-04-12 |
| Clamping Bushing And Clamping Device App 20170136551 - GRAULICH; Oliver | 2017-05-18 |
| Coupling System App 20170036260 - GROSCHE; Frank | 2017-02-09 |
| Power-operated Tightening Nut App 20160265575 - KOLB; Nils ; et al. | 2016-09-15 |
| Pressure medium system, in particular hydraulic system Grant 9,279,434 - Ehrhardt , et al. March 8, 2 | 2016-03-08 |
| Clamping device with an electric motor Grant 9,281,775 - Kroell , et al. March 8, 2 | 2016-03-08 |
| Rotary Module App 20150306717 - EHRHARDT; Winfried ; et al. | 2015-10-29 |
| Clamping Device With An Electric Motor App 20140184106 - Kroell; Harald ; et al. | 2014-07-03 |
| Pressure Medium System, In Particular Hydraulic System App 20140130484 - Ehrhardt; Winfried ; et al. | 2014-05-15 |
| Pull-down fastening device for fastening objects having bores Grant 8,220,114 - Matzat , et al. July 17, 2 | 2012-07-17 |
| Wiping and/or sealing element as well as process for sealing a piston and clamping and/or support element Grant 7,234,704 - Lehr , et al. June 26, 2 | 2007-06-26 |
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