Inventor · Aschaffenburg, DE

Dieter Keller

19Patents
10h-index
25Co-inventors
72Inventor score

Filing activity: Sep 18, 1975 → May 6, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6491180B2 Fuel tank Performing Operations; Transporting 25 Expired
US6194538A Process for producing polyamides from aminonitriles Chemistry; Metallurgy 25 Expired
US6857534B1 Fuel tank and method for producing same Performing Operations; Transporting 24 Expired
US5467695A Device for preparing foods Human Necessities 22 Expired
US6409040B1 Fuel tank for a motor vehicle Performing Operations; Transporting 18 Expired
US6138857A Fuel tank and method for the mounting of lines in a fuel tank Performing Operations; Transporting 16 Expired
US4038882A Variable ratio gear transmission Emerging Cross-Sectional Technologies 12 Expired
US6427532B1 Device for measuring a fill level of a liquid in a container Physics 10 Expired
US4989621A Hair winding device Human Necessities 10 Expired
US6629457B1 Device for measuring a fill level of a liquid in a container Emerging Cross-Sectional Technologies 10 Expired
US6408874B1 Device for reducing splash noises in a fuel tank Emerging Cross-Sectional Technologies 9 Expired
US6516964B1 Fuel tank Performing Operations; Transporting 8 Expired
US6395215B1 Method of producing a plastic component and fuel tank for a motor vehicle Performing Operations; Transporting 5 Expired
US6367503B1 Plastic container and method for using the same Emerging Cross-Sectional Technologies 5 Expired
US6250328A Device for supplying an internal combustion engine of a motor vehicle with fuel Emerging Cross-Sectional Technologies 3 Expired
US6432334B1 Extraction method for a casting mold or press mold Performing Operations; Transporting 2 Expired
US6422213B1 Delivery device for delivering fuel Emerging Cross-Sectional Technologies 1 Expired
US8189316B2 Hydraulic valve control circuit and method for checking the function of a hydraulic valve control circuit Mechanical Engineering; Lighting; Heating 0 Active
US7600425B2 Float for a fill level sensor Physics 0 Expired

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