Inventor · Asperg, DE

Hubert Stier

51Patents
10h-index
34Co-inventors
70Inventor score

Filing activity: Apr 6, 1998 → Sep 28, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6027049A Fuel-injection valve, method for producing a fuel-injection valve and use of the same Emerging Cross-Sectional Technologies 54 Expired
US5975436A Electromagnetically controlled valve Mechanical Engineering; Lighting; Heating 47 Expired
US6619269B1 Fuel injector Emerging Cross-Sectional Technologies 33 Expired
US6510841B1 Fuel injection valve Mechanical Engineering; Lighting; Heating 31 Expired
US6213414A Fuel injector Mechanical Engineering; Lighting; Heating 26 Expired
US6808133B1 Fuel injection valve Emerging Cross-Sectional Technologies 22 Expired
US6685105B1 Fuel injection valve Mechanical Engineering; Lighting; Heating 17 Expired
US6679435B1 Fuel injector Emerging Cross-Sectional Technologies 16 Expired
US6299079A Fuel injector Mechanical Engineering; Lighting; Heating 11 Expired
US6189816A Method for producing a valve-seat body for a fuel injection valve, and corresponding fuel injection valve Emerging Cross-Sectional Technologies 11 Expired
US6679222B1 Method of metering fuel using a fuel injector Mechanical Engineering; Lighting; Heating 10 Expired
US6435430B1 Fuel injection valve Mechanical Engineering; Lighting; Heating 9 Expired
US6341759B1 Electromagnetic actuating valve and method for producing a magnetic casing for a valve Emerging Cross-Sectional Technologies 9 Expired
US6631854B1 Fuel injection valve Emerging Cross-Sectional Technologies 8 Expired
US6637677B1 Fuel injector Mechanical Engineering; Lighting; Heating 8 Expired
US7564175B2 Tubular spring for actuator, and method for assembling the tubular spring Electricity 8 Expired
US6932283B2 Fuel injection valve Mechanical Engineering; Lighting; Heating 8 Expired
US6575385B1 Fuel injection valve Mechanical Engineering; Lighting; Heating 7 Expired
US7086614B2 Fuel injector Mechanical Engineering; Lighting; Heating 7 Expired
US6745457B2 Electromagnetically operable valve and method for producing a magnet housing for a valve Emerging Cross-Sectional Technologies 7 Expired
US7083114B2 Fuel injector Emerging Cross-Sectional Technologies 7 Expired
US6494382B1 Fuel injection valve Mechanical Engineering; Lighting; Heating 6 Expired
US6474565B1 Fuel injection valve Mechanical Engineering; Lighting; Heating 6 Expired
US6422482B1 Fuel injection valve Electricity 6 Expired
US7500648B2 Fuel-injection valve Mechanical Engineering; Lighting; Heating 6 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.