Inventor · Bemidji, MN, US

Paul Johnson

21Patents
8h-index
33Co-inventors
75Inventor score

Filing activity: Aug 12, 1991 → Apr 27, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8997908B2 Side-by-side all terrain vehicle Performing Operations; Transporting 84 Active
US5126696A W-Band waveguide variable controlled oscillator Electricity 43 Expired
US10294858B2 Portable generator Mechanical Engineering; Lighting; Heating 25 Active
US7674420B2 Dimensional control of concrete blocks Performing Operations; Transporting 20 Active
US8715557B2 Dimensional control of concrete blocks Performing Operations; Transporting 19 Active
USD703346S1 Molded surface of a concrete product General 15 Active
US7862763B2 Methods of quality control in concrete block production Physics 12 Active
US8246892B2 Methods of quality control in concrete block production Physics 10 Active
US9259853B2 Molds for producing concrete blocks with roughened surfaces; blocks made therefrom; and methods of use Fixed Constructions 8 Active
US5996852A Salt conveying system for water softener Chemistry; Metallurgy 7 Expired
USD749237S1 Molded surface of a concrete product General 6 Active
US7295365B2 Optical gain flattening components, optical chips and optical amplifiers and methods employing same Electricity 5 Expired
USD722706S1 Molded surface of a concrete product General 5 Active
US7079312B2 Optical amplifiers Electricity 2 Expired
US10772643B2 Surgical tool monitoring system and methods of use Human Necessities 0 Active
US9592093B2 Tactile feedback system for robotic surgery Emerging Cross-Sectional Technologies 0 Active
US10639117B2 Tactile feedback system for robotic surgery Emerging Cross-Sectional Technologies 0 Active
US8867914B2 ASE compensation in optical amplifiers Electricity 0 Active
US9980738B2 Surgical tool monitoring system and methods of use Human Necessities 0 Active
US10576657B2 Molds for producing concrete blocks with roughened surfaces; blocks made therefrom; and methods of use Fixed Constructions 0 Active
US9878465B2 Molds for producing concrete blocks with roughened surfaces; blocks made therefrom; and methods of use Fixed Constructions 0 Active

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