Hilger; Ulrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hilger; Ulrich.The latest application filed is for "high-pressure gas compressor and method of operating a high-pressure gas compressor".
- Hilger; Ulrich - Ratingen DE
- Hilger; Ulrich - Essen DE
- Hilger; Ulrich - D-45147 Essen DE
| Patent | Date |
|---|---|
| High-pressure gas compressor and method of operating a high-pressure gas compressor Grant 8,172,557 - Hilger , et al. May 8, 2 | 2012-05-08 |
| High-Pressure Gas Compressor And Method Of Operating A High-Pressure Gas Compressor App 20080213115 - Hilger; Ulrich ; et al. | 2008-09-04 |
| Internal combustion engine with injection of gaseous fuel Grant 6,854,438 - Hilger , et al. February 15, 2 | 2005-02-15 |
| Internal combustion engine with injection of gaseous fuel Grant 6,845,746 - Hilger , et al. January 25, 2 | 2005-01-25 |
| Internal combustion engine with injection of gaseous fuel App 20040069267 - Hilger, Ulrich ; et al. | 2004-04-15 |
| Internal combustion engine with injection of gaseous fuel App 20040011323 - Hilger, Ulrich ; et al. | 2004-01-22 |
| Spark-ignited reciprocating piston engine having a subdivided combustion chamber Grant 5,617,823 - Gray, Jr. , et al. April 8, 1 | 1997-04-08 |
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