Wulf; Helmut

Patent Applications and Registrations

Patent applications and USPTO patent grants for Wulf; Helmut.The latest application filed is for "method for heating a road by means of geothermally fed heating installation as well as a road-heating installation for carrying out the method".

Company Profile

0.17.0

Wulf; Helmut - Ostfildern DE
Wulf; Helmut - Ostfilderstadt DE
Wulf; Helmut - Nellingen 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 for heating a road by means of geothermally fed heating installation as well as a road-heating installation for carrying out the method Grant 4,693,301 - Baehrle , et al. September 15, 1	1987-09-15
Exhaust-gas offtake for a track-guided vehicle propelled by combustion-energy Grant 4,567,817 - Fleischer , et al. February 4, 1	1986-02-04
Heating arrangement for electrically driven vehicles Grant 4,532,894 - Wulf , et al. August 6, 1	1985-08-06
Engine unit with lubricant cooling Grant 4,393,922 - Bahrle , et al. July 19, 1	1983-07-19
Heat transfer system Grant 4,296,796 - Wulf October 27, 1	1981-10-27
Vehicle adapted to be guided on tracks for the public local passenger traffic with pivotal rear axle and longitudinal guide members for such axle Grant 4,271,764 - Braun , et al. June 9, 1	1981-06-09
Installation for the power assist of actuating devices in motor vehicles, especially in a hydraulic brake system Grant 4,206,605 - Mehren , et al. June 10, 1	1980-06-10
Heating device Grant 4,140,173 - Wulf , et al. February 20, 1	1979-02-20
Power supply of installations driven by internal combustion engines, especially of motor vehicles Grant 4,097,752 - Wulf , et al. June 27, 1	1978-06-27
Positive guide mechanism for road vehicles with non-turnable wheels Grant 4,092,931 - Wulf , et al. June 6, 1	1978-06-06
Heating unit for automotive vehicles Grant 4,087,047 - Wulf , et al. May 2, 1	1978-05-02
Temperature maintaining device for safety gas cushion Grant 4,026,580 - Wulf , et al. May 31, 1	1977-05-31
Monitoring system for a steering wheel mounted air bag gas source Grant 3,947,057 - Schiesterl , et al. March 30, 1	1976-03-30
Automatically inflatable gas cushion for the protection of the passengers of vehicles Grant 3,944,250 - Wulf , et al. March 16, 1	1976-03-16
Installation for increasing the road traction in a vehicle Grant 3,894,609 - Wulf July 15, 1	1975-07-15
Telescopic Safety Steering Column For Motor Vehicles Grant 3,855,876 - Albrecht , et al. December 24, 1	1974-12-24
Seat, Especially For Motor Vehicles Grant 3,703,313 - Schiesterl , et al. November 21, 1	1972-11-21

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