Inventor · Cedar Falls, IA, US

John R. Petersen

9Patents
8h-index
27Co-inventors
65Inventor score

Filing activity: Apr 10, 1989 → May 5, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
USD497312S1 Bottle General 84 Expired
US5697527A Dispensing Apparatus Mechanical Engineering; Lighting; Heating 74 Expired
US6361512B1 Massaging apparatus using inflatable bladders Human Necessities 38 Expired
US5797332A Closed loop gasification drying system Emerging Cross-Sectional Technologies 25 Expired
US7228792B2 Cooker with latching drip tray for selectively opening and closing grease dispensing apertures in cooking pan Human Necessities 16 Expired
USD333787S Dispenser for a container General 15 Expired
US5649820A Flare burner Mechanical Engineering; Lighting; Heating 10 Expired
US4901652A Accumulating and conveying incinerator ash Mechanical Engineering; Lighting; Heating 10 Expired
US5888363A Apparatus and method for interfacing an open capillary and detector for conducting off-column analyses Physics 2 Expired

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