Inventor · Sullivan, OH, US

Robert D. Krieder

9Patents
8h-index
12Co-inventors
66Inventor score

Filing activity: May 23, 1979 → Nov 8, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4419729A Automatic speed control for heavy vehicles Performing Operations; Transporting 40 Expired
US5592754A Electronic control of compressor unloader and air dryer purge Mechanical Engineering; Lighting; Heating 34 Expired
US4286685A Speed control for heavy duty trucks Performing Operations; Transporting 23 Expired
US5103576A Charge/purge control system for air dryer with humidity control Performing Operations; Transporting 19 Expired
US6981285B2 Toilet and method of operation Fixed Constructions 15 Expired
US6883188B2 Toilet and method of operation Fixed Constructions 14 Expired
US5027529A Charge/purge control system for air dryer having limited charge time Performing Operations; Transporting 14 Expired
US4936026A Charge/purge control system for air dryer Performing Operations; Transporting 12 Expired
US7725961B2 Portable toilet Fixed Constructions 7 Active

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