Inventor · Windom, MN, US

David Schoon

37Patents
10h-index
23Co-inventors
75Inventor score

Filing activity: May 6, 1974 → Oct 27, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4686363A Self-resonant scanner biasing system Electricity 69 Expired
US9700324B2 Surgical clip applicator Human Necessities 55 Active
US4630223A Scanner amplitude stabilization system Physics 24 Expired
US11096797B2 Zero-profile expandable intervertebral spacer devices for distraction and spinal fusion and a universal tool for their placement and expansion Human Necessities 23 Active
US4541061A Data clocking circuitry for a scanning apparatus Physics 18 Expired
US5565906A Clocking means for bandwise imaging device Physics 15 Expired
US5684620A High resolution imaging system and method of imaging using the same Physics 13 Expired
US4586057A Compensation circuitry for a laser printer using a self-resonant scanner Physics 11 Expired
US4571623A Data clocking circuitry Electricity 11 Expired
US9255712B2 Oven appliance with doors having a tongue and groove interface Mechanical Engineering; Lighting; Heating 10 Active
US4857904A Combination of transition-encoded font information for generation of superimposed font images Physics 10 Expired
US4870498A Decompressing run-length-encoded to transition-encoded font image information in an image generator Electricity 9 Expired
US5054893A Electro-optic cell linear array Physics 9 Expired
US4242565A Thermal print head Electricity 8 Expired
US5434600A Illumination module for bandwise imaging device Electricity 8 Expired
US6148134A Fiber mounts for fiber optic harness in a fiber optic-based imaging system Physics 8 Expired
US5225851A Band imaging device Electricity 8 Expired
US4847607A Image generation from transition-encoded font information Physics 7 Expired
US8944536B2 Oven appliance with dual opening and closing doors Fixed Constructions 6 Active
US3934136A Threshold signal circuitry for scanning apparatus Physics 6 Expired
US9328929B2 Oven appliance with dual opening and closing doors Fixed Constructions 5 Active
US9644848B2 Oven appliance with dual opening and closing doors Fixed Constructions 5 Active
US9494323B2 Oven appliance with dual opening and closing doors Fixed Constructions 5 Active
US9188346B2 Oven appliance with dual opening and closing doors Fixed Constructions 5 Active
US10018364B2 Oven appliance with dual opening and closing doors Mechanical Engineering; Lighting; Heating 5 Active

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