Inventor · Signal Hill, CA, US

David W. Evans

27Patents
11h-index
34Co-inventors
75Inventor score

Filing activity: Jan 6, 1982 → Mar 13, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5956373A AM compatible digital audio broadcasting signal transmision using digitally modulated orthogonal noise-like sequences Electricity 166 Expired
US6114050A Titanium-polymer hybrid laminates Emerging Cross-Sectional Technologies 124 Expired
US5866272A Titanium-polymer hybrid laminates Emerging Cross-Sectional Technologies 101 Expired
US7115323B2 Titanium foil ply replacement in layup of composite skin Emerging Cross-Sectional Technologies 39 Expired
US4969895A Apparatus and method for determining the tension on a ligament graft Human Necessities 38 Expired
US7182291B2 Integrated aircraft structural floor Emerging Cross-Sectional Technologies 25 Expired
US4800404A Apparatus and method for testing visual sensitivity to glare Human Necessities 23 Expired
US7810757B2 Mounting device for an aircraft Emerging Cross-Sectional Technologies 21 Active
US5078486A Self-calibrating vision test apparatus Physics 19 Expired
US4927133A Angled conveyor for document packages Performing Operations; Transporting 14 Expired
US7180321B2 Tester interface module Electricity 11 Expired
US4453804A Real-time optical filtering system with spatial and temporal enhancement of visual information Physics 10 Expired
US7491289B2 Methods of forming metal foil ply replacement in composite structures Emerging Cross-Sectional Technologies 9 Active
US4448486A Varying bandpass of optical spatial filter by rotating mirrors having changing reflectivity Physics 9 Expired
US5299273A Optical fiber to laminate adapter Physics 9 Expired
US4426663A Real-time optical filtering method with improved filtered image detection and bandwidth adjustment Physics 8 Expired
US10073454B2 Machine vision enabled swarm guidance technology Physics 7 Active
US9016551B2 Method and apparatus to construct metal securement member for an aircraft Mechanical Engineering; Lighting; Heating 4 Active
US10016128B2 Method and apparatus for vision acuity testing Human Necessities 1 Active
US10066483B2 Friction bolt assembly Mechanical Engineering; Lighting; Heating 1 Active
US10018569B2 Optical fiber communications with composite structural monitoring for determining damaged structure based on the analysis of optical signal Physics 1 Active
US10022045B1 Method and apparatus for vision acuity testing Human Necessities 1 Active
US10116411B1 Frequency agile anti-jam data link Electricity 0 Active
US11236613B2 Encapsulation system and method of installing a rock bolt Mechanical Engineering; Lighting; Heating 0 Active
US9394062B2 Method and apparatus to construct metal securement member for an aircraft Mechanical Engineering; Lighting; Heating 0 Active

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