Inventor · Leesburg, VA, US

William R. Johnson

34Patents
13h-index
34Co-inventors
81Inventor score

Filing activity: May 12, 1976 → Apr 30, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6313855A System and method for web browsing Physics 158 Expired
US5311358A Universal microscope drape Human Necessities 67 Expired
US5597183A Interactive book having electroluminescent display pages and animation effects Electricity 47 Expired
US5890865A Automated low profile refuse vehicle Performing Operations; Transporting 46 Expired
US5061018A Microscope accessory equipment container Mechanical Engineering; Lighting; Heating 37 Expired
US5823629A Articulating trailing tag axle Performing Operations; Transporting 36 Expired
US9380823B2 Electronically controlled impact attenuating fluid containing cells for helmets Human Necessities 26 Active
US7546538B2 System and method for web browsing Emerging Cross-Sectional Technologies 22 Expired
US5419671A Top mounted container handling apparatus Emerging Cross-Sectional Technologies 21 Expired
US4271815A Prefabricated fireplace for permanent installation Mechanical Engineering; Lighting; Heating 21 Expired
US6116698A Articulating trailing tag axle Performing Operations; Transporting 19 Expired
US5547332A Top mounted container handling apparatus Emerging Cross-Sectional Technologies 17 Expired
US5513901A Hoist mechanism Performing Operations; Transporting 15 Expired
US4182305A Apollo model fireplace Mechanical Engineering; Lighting; Heating 12 Expired
US6044582A Floating rope marker assembly for culling fish Human Necessities 12 Expired
US4068649A Free standing fireplace stove Mechanical Engineering; Lighting; Heating 11 Expired
US4177793A Freestanding fireplace stove with heated air circulation Mechanical Engineering; Lighting; Heating 9 Expired
US7894058B2 Single-lens computed tomography imaging spectrometer and method of capturing spatial and spectral information Physics 8 Active
US7768641B2 Spatial image modulation to improve performance of computed tomography imaging spectrometer Physics 6 Active
US7624348B2 System and method for web browsing Physics 5 Expired
US9751484B2 Electronically controlled impact attenuating fluid containing cells Performing Operations; Transporting 5 Active
US6221037A Wrist traction device and method Human Necessities 5 Expired
US7876434B2 Color camera computed tomography imaging spectrometer for improved spatial-spectral image accuracy Physics 4 Active
USD643321S1 Marking device General 4 Expired
US8203941B2 Virus/worm throttle threshold settings Electricity 4 Active

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