Inventor · Erie, PA, US

James L. Johnson

20Patents
11h-index
18Co-inventors
72Inventor score

Filing activity: Feb 11, 1975 → Feb 21, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5566180A Method for recognizing events and synchronizing clocks Electricity 99 Expired
US5252980A Target location system Physics 52 Expired
US5101306A Releasable controlled force clamp for disk storage apparatus Physics 43 Expired
USD290678S Barbecue pit cover General 32 Expired
US4286409A Tree stand Emerging Cross-Sectional Technologies 25 Expired
US5075808A Retaining clamp for a disc storage apparatus Physics 17 Expired
USD252163S Bridle bit General 17 Expired
US5729181A High thermal gain oven with reduced probability of temperature gradient formation for the operation of a thermally stable oscillator Physics 14 Expired
US4381331A Non-sticking ply end turn-over bladder and method of manufacture thereof Emerging Cross-Sectional Technologies 13 Expired
US4051735A Linear actuator Emerging Cross-Sectional Technologies 13 Expired
US5008189A Enhanced membrane separation of monosaccharides utilizing concentration polarization Emerging Cross-Sectional Technologies 11 Expired
US5169328A Atomic beam tube assembly Emerging Cross-Sectional Technologies 5 Expired
US5018035A Disc storage apparatus having an arcuate pivot assembly Physics 5 Expired
US4012778A Linear actuator Emerging Cross-Sectional Technologies 5 Expired
US7725955B1 Rivalry rip-off apparel Human Necessities 5 Active
US4199551A Recovery of molybdenum and uranium from activated charcoal containing molybdenum and residual uranium Emerging Cross-Sectional Technologies 4 Expired
US4692362A Fabric reinforced tubular rubber bladders and method of making same Emerging Cross-Sectional Technologies 3 Expired
US4945845A High-speed sailing craft Performing Operations; Transporting 3 Expired
US4012780A Linear actuator Physics 3 Expired
US4026917A Method of removing polynuclear aromatic compounds by adsorption with coconut charcoal Chemistry; Metallurgy 3 Expired

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