Inventor · Bloomington, MN, US

Robert A. Norman

9Patents
5h-index
11Co-inventors
60Inventor score

Filing activity: Aug 17, 1987 → Oct 1, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6578938B2 Securable toolchest with visual-surround workbench Human Necessities 44 Expired
US6229273A Actuator driver circuit Physics 22 Expired
US4815569A Brake mechanism for a creeper Performing Operations; Transporting 18 Expired
US6667843B2 Integrated programmable error amplifier Physics 10 Expired
US6428335B1 Bus bar with terminal insulator and connector guide therefor Emerging Cross-Sectional Technologies 5 Expired
US9270091B2 Multiple wrapped laminated bus bar system and method Electricity 4 Active
US8461922B2 Offset component cancelation method and circuit Electricity 3 Active
US8773817B2 Storage device having degauss circuitry with ramp generator for use in generating chirped degauss signal Physics 3 Active
US11529534B2 Wet pipe fire protection sprinkler system dual air vent with vent failure failsafe feature Human Necessities 0 Active

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