Inventor · Roanoke, VA, US

David Baldwin

27Patents
11h-index
44Co-inventors
75Inventor score

Filing activity: Oct 11, 1979 → Oct 27, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5813641A Clamp bracket Human Necessities 53 Expired
US4360248A Multiport optical communication system and optical star structure therefor Emerging Cross-Sectional Technologies 51 Expired
US5638851A Modular shelter Emerging Cross-Sectional Technologies 32 Expired
US5139226A Electro-mechanical fluid control valve Emerging Cross-Sectional Technologies 31 Expired
US4306313A High reliability optical fiber communication system Electricity 25 Expired
US4435850A Secure fiber optic data transmission system Electricity 20 Expired
US7077019B2 High precision gas bearing split-axis stage for transport and constraint of large flat flexible media during processing Physics 20 Expired
US7137309B2 High precision gas bearing split-axis stage for transport and constraint of large flat flexible media during processing Physics 18 Expired
US6736588B1 Integrated large glass handling system Performing Operations; Transporting 13 Expired
US4971384A Adjustable cover assembly for an automobile vehicle Emerging Cross-Sectional Technologies 11 Expired
US7430928B2 Method and apparatus for concentrating vapors for analysis Physics 11 Active
US9169784B2 Processing system and method for calculating pressure decreases due to injection events in a high-pressure fuel system Mechanical Engineering; Lighting; Heating 6 Active
US7468611B2 Continuous linear scanning of large flat panel media Physics 6 Active
US5943636A Method and apparatus to calibrate and run optical delay devices Electricity 5 Expired
US8191435B2 Method and apparatus for concentrating vapors for analysis Physics 4 Active
US7534284B2 Flux injection with pump for pumping molten metal Chemistry; Metallurgy 4 Active
US9103876B2 Automatic probe configuration station and method therefor Physics 4 Active
US6882899B2 Sensing head positioning system using two-stage offset air bearings Physics 2 Expired
US4513971A Maze and flexible wand game apparatus Human Necessities 2 Expired
US9567936B2 Processing system and method for calculating pressure decreases due to injection events in a high-pressure fuel system Mechanical Engineering; Lighting; Heating 1 Active
US11313305B2 Fuel system test apparatus and method Emerging Cross-Sectional Technologies 1 Active
US6018701A False null prevention in optical delay line calibration Physics 0 Expired
US11499508B2 Cleaning system for an engine exhaust cooler Emerging Cross-Sectional Technologies 0 Active
US11896066B1 Article of clothing with multi-purpose cover assembly Human Necessities 0 Active
US8753066B1 Tank-to-tank penstock electric generator system Emerging Cross-Sectional Technologies 0 Active

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