Inventor · Muscatine, IA, US

David E. Mehaffey

29Patents
14h-index
20Co-inventors
81Inventor score

Filing activity: Sep 6, 1989 → Feb 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD683558S1 Chair General 67 Active
USD707461S1 Chair General 62 Active
USD440019S Canister vacuum power head General 59 Expired
USD743180S1 Chair General 58 Active
USD431335S Vacuum cleaner handle General 58 Expired
USD352797S Wall mounted lighting fixture General 52 Expired
USD348531S Outdoor roadway lighting fixture General 46 Expired
USD398098S Upright vacuum cleaner General 45 Expired
USD416114S Upright vacuum cleaner General 29 Expired
USD759414S1 Chair General 27 Active
USD444275S Dirt container for bagless upright vacuum cleaner General 26 Expired
USD403475S Canister vacuum cleaner General 24 Expired
US5341680A Disabled driver assessment system Human Necessities 15 Expired
USD796883S1 Chair General 14 Active
USD405568S Canister vacuum wheel General 14 Expired
USD348965S Golf motorcaddie General 14 Expired
USD442751S Dust cover for an upright vacuum cleaner General 14 Expired
USD357992S Adjustable floodlight General 14 Expired
US5105738A Articulated hand stamp Performing Operations; Transporting 12 Expired
USD348945S Outdoor roadway lighting fixture General 12 Expired
USD530533S1 Chair General 8 Expired
USD347080S Outdoor roadway lighting fixture General 8 Expired
USD326276S Hand stamp General 7 Expired
USD833193S1 Chair General 5 Active
US9801470B2 Molded chair with integrated support and method of making same Performing Operations; Transporting 5 Active

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