Welke; Hartmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welke; Hartmut.The latest application filed is for "filter system for a building and filter device".
- Welke; Hartmut - Ahrensfelde DE
| Patent | Date |
|---|---|
| Apparatus for the recovery of halogenated hydrocarbons Grant 9,675,924 - Welke June 13, 2 | 2017-06-13 |
| Filter system for a building and filter device Grant 9,399,186 - Welke July 26, 2 | 2016-07-26 |
| Filter System For A Building And Filter Device App 20150336042 - Welke; Hartmut | 2015-11-26 |
| Apparatus For The Recovery Of Halogenated Hydrocarbons App 20150283494 - WELKE; HARTMUT | 2015-10-08 |
| Filter cartridge for recuperating halogenated hydrocarbons Grant 8,038,772 - Fuesting , et al. October 18, 2 | 2011-10-18 |
| Filter Cartridge For Recuperating Halogenated Hydrocarbons App 20090101010 - FUESTING; Bernd ; et al. | 2009-04-23 |
| High power density sorption heat store Grant 6,672,103 - Stach , et al. January 6, 2 | 2004-01-06 |
| High Power Density Sorption Heat Store App 20040000164 - Stach, Helmut ; et al. | 2004-01-01 |
| Method and device for recovering gases Grant 6,405,539 - Stach , et al. June 18, 2 | 2002-06-18 |
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