Inventor · White Bear Lake, MN, US

Jon A. Kirschhoffer

44Patents
13h-index
100Co-inventors
84Inventor score

Filing activity: Dec 16, 1992 → Jun 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
USD480292S1 Hook General 102 Expired
USD689647S1 Light fixture General 57 Active
USD459194S1 Cord holding clip General 56 Expired
USD693045S1 Lightguide lighting assembly General 37 Active
US5634245A Structured surface fastener Emerging Cross-Sectional Technologies 32 Expired
US8700118B2 Biomedical sensor system Human Necessities 20 Active
US7511601B2 Radio frequency identification in document management Physics 20 Expired
US5347583A Electronic stethoscope having binaural earpiece Human Necessities 18 Expired
USD480245S1 Mountable toothbrush/razor holder General 17 Expired
USD595038S1 Shoe insole General 16 Expired
US6248085A Surgical prep solution dispenser and method Human Necessities 15 Expired
USD482555S1 Mountable shower basket General 13 Expired
USD487845S1 Mountable storage basket General 13 Expired
US7144300B1 Sanding tool with clamping mechanism Performing Operations; Transporting 12 Expired
USD595944S1 Shoe insole General 11 Expired
USD527240S1 Sanding tool General 11 Expired
USD480585S1 Mountable soap dish General 10 Expired
US7182681B2 Sanding tool Performing Operations; Transporting 10 Expired
US7007421B2 Decorative support assembly Physics 8 Expired
US7112128B1 Sanding tool with protective clamping mechanism Performing Operations; Transporting 7 Expired
USD525507S1 Detail sanding block General 5 Expired
US7775855B2 Sanding tool with rotatable handle Performing Operations; Transporting 5 Expired
USD595490S1 Shoe insole General 5 Expired
US9228356B2 Above-deck roof venting article Fixed Constructions 4 Active
USD918483S1 User interface for a welding helmet General 3 Active

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