Inventor · Westfield, MA, US

John E. Davis

26Patents
11h-index
31Co-inventors
75Inventor score

Filing activity: Feb 13, 1976 → Jan 14, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US4959774A Shadow memory system for storing variable backup blocks in consecutive time periods Physics 195 Expired
US5627675A Optics assembly for observing a panoramic scene Physics 51 Expired
US5841589A Panoramic optics assembly having an initial flat reflective element Physics 38 Expired
US5534697A Electro-optical sensor system for use in observing objects Physics 37 Expired
US4569481A Corner watering system for center pivot irrigation machines Human Necessities 30 Expired
US6109846A Portable retractable cargo restraint Performing Operations; Transporting 24 Expired
US4508269A Corner watering system for center pivot irrigation machines Emerging Cross-Sectional Technologies 16 Expired
US6026562A Global terminal assembly die Emerging Cross-Sectional Technologies 14 Expired
US6072524A Electronic observation post with communications relay Electricity 13 Expired
US5502309A Staring sensor Physics 12 Expired
US4549694A Corner watering system for center pivot irrigation machines Human Necessities 11 Expired
US4020281A Iterative coordinate data approximation system for photoemissive pixel pattern displays Physics 10 Expired
US7938343B2 Self-propelled irrigation system with articulated drive tower Human Necessities 9 Active
US8006990B1 Spring hanger and method for attachment Performing Operations; Transporting 8 Active
US6501419B2 Sensor system and method for determining yaw orientation of a satellite Physics 7 Expired
US6915172B2 Method, system and storage medium for enhancing process control Emerging Cross-Sectional Technologies 5 Expired
US7193742B2 Systems and methods for producing portraits Electricity 5 Expired
US6715200B2 Methods for making data storage media Emerging Cross-Sectional Technologies 4 Expired
US5883713A Ultra fast fourier transform spectrometer with rotating scanning cube Physics 4 Expired
US6450455B1 Method and sensor for capturing rate and position and stabilization of a satellite using at least one focal plane Physics 4 Expired
USD255455S Opaque reader General 4 Expired
US8716915B2 Axially-split stator construction for electric motors Emerging Cross-Sectional Technologies 3 Active
US6752952B2 Embossing methods Emerging Cross-Sectional Technologies 2 Expired
US7580148B2 Systems and methods for producing portraits Electricity 0 Active
US8065197B2 System, method, and computer program product for evaluating photographic performance Physics 0 Active

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