Lutzhoft; Jens
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lutzhoft; Jens.The latest application filed is for "method for producing connecting elements by way of a pressure welding process and connecting element".
- Lutzhoft; Jens - Hamburg DE
| Patent | Date |
|---|---|
| Method for producing connecting elements by way of a pressure welding process and connecting element Grant 8,978,961 - Lutzhoft , et al. March 17, 2 | 2015-03-17 |
| Handling device for pipes Grant 8,596,344 - Lutzhoft , et al. December 3, 2 | 2013-12-03 |
| Device for vertically holding pipes Grant 8,079,627 - Lutzhoft , et al. December 20, 2 | 2011-12-20 |
| Method For Producing Connecting Elements By Way Of A Pressure Welding Process And Connecting Element App 20110293363 - Lutzhoft; Jens ; et al. | 2011-12-01 |
| Handling Device For Pipes App 20110146969 - Lutzhoft; Jens ; et al. | 2011-06-23 |
| Device for Vertically Holding Pipes App 20090152409 - Lutzhoft; Jens ; et al. | 2009-06-18 |
| Device for Handling Pipes App 20090090221 - Lutzhoft; Jens ; et al. | 2009-04-09 |
| Apparatus for vertically supporting pipes Grant 7,510,033 - Lutzhoft , et al. March 31, 2 | 2009-03-31 |
| Device for holding drill pipe App 20080054662 - Lutzhoft; Jens ; et al. | 2008-03-06 |
| Apparatus for vertically supporting pipes App 20070163807 - Lutzhoft; Jens ; et al. | 2007-07-19 |
| Drilling rig elevator with replaceable clamping inserts and method for installation Grant 5,755,289 - Angman , et al. May 26, 1 | 1998-05-26 |
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