Inventor · Roseville, MN, US

John A. Murphy

21Patents
10h-index
19Co-inventors
72Inventor score

Filing activity: Jul 6, 1976 → Feb 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5023955A Impact-absorbing sound-attenuating earcup Emerging Cross-Sectional Technologies 162 Expired
US8528621B2 Solar window shade Fixed Constructions 29 Active
US8690921B2 Interspinous internal fixation/distraction device Human Necessities 28 Active
US5979672A Earthquake resistant enclosure for electronic equipment Electricity 22 Expired
US9259077B2 Elastic securing apparatus and mounting system for electronic device Electricity 22 Active
USD735695S1 Elastic finger strap and its base General 21 Active
US5148887A Earcup assembly incorporating mechanical active noise reduction Human Necessities 18 Expired
USD517639S1 Fused multi-spectral weapon sight General 13 Expired
US9954569B2 Elastic securing apparatus and mounting system for electronic device Electricity 11 Active
US6420849B2 Power generating device having a form factor suitable for insertion into a player device Emerging Cross-Sectional Technologies 10 Expired
US8221462B2 Interspinous internal fixation/distraction device Human Necessities 10 Active
US5135680A Stabilized 14 lb Chemistry; Metallurgy 9 Expired
USD937252S1 Hinged connection apparatus General 5 Active
US11572977B2 Hinged support apparatus with position stops Electricity 5 Active
US9084640B2 Interspinous internal fixation/distraction device Human Necessities 5 Active
US6316912A Power generating device having a form factor suitable for insertion into a player device Emerging Cross-Sectional Technologies 3 Expired
US4059760A Georadiological surveying for oil and gas and subsurface structure contour mapping Emerging Cross-Sectional Technologies 2 Expired
USD524339S1 Digitally enhanced night vision device General 1 Expired
US5169874A Stabilized 141b Chemistry; Metallurgy 0 Expired
US12222061B2 Hinged support apparatus with position stops Electricity 0 Active
USD1050105S1 Adapter for mobile grip General 0 Active

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