Inventor · Libertyville, IL, US

Kenyon A. Hapke

45Patents
12h-index
34Co-inventors
81Inventor score

Filing activity: Jun 28, 1973 → Oct 4, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5520424A Tamper-proof door switch and latch device Emerging Cross-Sectional Technologies 55 Expired
US5589671A Rotary switch with spring stabilized contact control rotor Emerging Cross-Sectional Technologies 48 Expired
US6434977B1 Automatic laundry aid dispenser for washing machine Textiles; Paper 43 Expired
US6363755B1 Timed release washing machine lid lock Emerging Cross-Sectional Technologies 42 Expired
US5823017A Rapid release washing machine lid lock Emerging Cross-Sectional Technologies 40 Expired
US7251961B2 Washing machine lid lock with magnetic lid sensor Textiles; Paper 16 Expired
US7909939B2 Humidity reducing exhaust duct for dishwasher Human Necessities 15 Active
US5600976A Washing machine lid switch assembly Emerging Cross-Sectional Technologies 15 Expired
US5572869A Actuator assembly for use in appliances Mechanical Engineering; Lighting; Heating 15 Expired
US7306266B2 Appliance latch having a rotating latch hook mounted on a linear slide Emerging Cross-Sectional Technologies 14 Expired
US5594220A Rotary switch with cam operated sliding contact engaging noble metal stationary contact bar surface Electricity 14 Expired
US8376418B2 Gasket-compensating latch mechanism Emerging Cross-Sectional Technologies 14 Active
US7103996B2 Agitator for removing wrinkles from clothing Textiles; Paper 10 Expired
US6293289A Surge pressure vent for low noise dishwasher Human Necessities 10 Expired
US8736406B2 Lid lock with magnetic anti-tamper feature Emerging Cross-Sectional Technologies 10 Active
US5685038A Out-of-balance control for washing machine Textiles; Paper 9 Expired
US7731806B2 Automatic door for dishwasher Human Necessities 9 Active
US6940373B2 Fast engage, slow release electrical actuator Mechanical Engineering; Lighting; Heating 8 Expired
US7654590B2 Magnetic appliance latch Emerging Cross-Sectional Technologies 7 Active
US7900979B2 Low power consumption lock for appliance latch Emerging Cross-Sectional Technologies 7 Active
US5728985A Washing machine lid switch assembly Emerging Cross-Sectional Technologies 7 Expired
US5691520A Self adjusting lid switch Electricity 7 Expired
US7493783B2 Washing machine lid lock with magnetic lid sensor Textiles; Paper 7 Active
US7705253B2 Appliance lock using a motor driven linear actuator with helical spring drive Textiles; Paper 6 Active
US5682772A Lid switch with contact failure detection Electricity 6 Expired

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