Lepperhoff; Gerhard

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lepperhoff; Gerhard.The latest application filed is for "method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel".

Company Profile

0.12.1

Lepperhoff; Gerhard - Stolberg DE
Lepperhoff; Gerhard - Eschweiler DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of operation of a device for energy conversion using a main fuel and at least one auxiliary fuel Grant RE42,771 - Lepperhoff , et al. October 4, 2	2011-10-04
Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel Grant 7,207,318 - Lepperhoff , et al. April 24, 2	2007-04-24
Method for operation of a device for energy conversion using a main fuel and at least one auxiliary fuel App 20050004713 - Lepperhoff, Gerhard ; et al.	2005-01-06
Method and apparatus for a zero-point stabilization of an exaust gas sensor Grant 6,202,408 - Lepperhoff , et al. March 20, 2	2001-03-20
Method of reducing the NO.sub.x emission of a supercharged piston-type internal combustion engine Grant 5,671,600 - Pischinger , et al. September 30, 1	1997-09-30
Filter arrangement for removal of soot particles from the exhaust gases of an internal combustion engine Grant 5,472,462 - Pischinger , et al. December 5, 1	1995-12-05
System for the regeneration of a particulate filter trap Grant 4,897,096 - Pischinger , et al. January 30, 1	1990-01-30
Filter system for the removal of engine emission particulates Grant 4,872,889 - Lepperhoff , et al. October 10, 1	1989-10-10
Process and system for the regeneration of particulate filter traps Grant 4,730,455 - Pischinger , et al. March 15, 1	1988-03-15
Process and system for the oxidation of engine emission particulates deposited in a particulate filter trap Grant 4,730,454 - Pischinger , et al. March 15, 1	1988-03-15
Assembly for engine exhaust gas particulate filter traps Grant 4,709,549 - Lepperhoff December 1, 1	1987-12-01
Process for the regeneration of engine emission particulates deposited in a particulate trap Grant 4,709,547 - Pischinger , et al. December 1, 1	1987-12-01
Particle filtration and removal system Grant 4,634,459 - Pischinger , et al. January 6, 1	1987-01-06

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.