Gilfert; Karl-Heinz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gilfert; Karl-Heinz.The latest application filed is for "rotary helical screw-type compressor".
- Gilfert; Karl-Heinz - Oberhausen DE
| Patent | Date |
|---|---|
| Rotary helical screw-type compressor having an intake filter and muffler Grant 6,488,488 - Achtelik , et al. December 3, 2 | 2002-12-03 |
| Rotary helical screw-type compressor having a thermally separated oil supply container Grant 6,416,302 - Achtelik , et al. July 9, 2 | 2002-07-09 |
| Rotary helical screw-type compressor App 20020048523 - Achtelik, Carsten ; et al. | 2002-04-25 |
| Rotary helical screw-type compressor App 20020048521 - Achtelik, Carsten ; et al. | 2002-04-25 |
| Sealing device on a shaft journal of a dry-running helical rotary compressor Grant 6,287,100 - Achtelik , et al. September 11, 2 | 2001-09-11 |
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