Inventor · Coal Valley, IL, US

Lee A. Johnson

15Patents
5h-index
18Co-inventors
63Inventor score

Filing activity: Sep 26, 1975 → Apr 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5570083A Door bell/answering system Physics 35 Expired
USD427206S Multifaceted product tank General 29 Expired
US8545237B2 Connector for interconnecting conductors of circuit boards Electricity 17 Active
US5992699A Multifaceted product tank Human Necessities 8 Expired
US4696381A Clutch and brake apparatus Human Necessities 5 Expired
US5644777A Field reconfiguration data bus cabinet computer system Physics 4 Expired
US6116552A Reinforced plastic tank support Human Necessities 3 Expired
US3974365A Radio altimeter rate linearizer Electricity 3 Expired
US8338721B2 Cover with improved vibrational characteristics for an electronic device Electricity 3 Active
USD339130S Door mounted answering machine General 2 Expired
US12376511B2 Controlling an agricultural vehicle based on soil damage score Physics 0 Active
US12369505B2 Agricultural machine with adjustable frame for variable row planting Human Necessities 0 Active
US12172631B2 Controlling an agricultural vehicle based on soil damage score/fill level Physics 0 Active
US12110007B2 Detection and control based on soil damage Physics 0 Active
US12361500B2 Agricultural planting machine with field contour sensors Human Necessities 0 Active

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