Inventor · Chino Hills, CA, US

David Deng

65Patents
18h-index
2Co-inventors
74Inventor score

Filing activity: Apr 26, 1996 → Jun 7, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5807098A Gas heater with alarm system Mechanical Engineering; Lighting; Heating 89 Expired
US7607426B2 Dual fuel heater Mechanical Engineering; Lighting; Heating 67 Active
US7434447B2 Oxygen depletion sensor Mechanical Engineering; Lighting; Heating 59 Active
US7654820B2 Control valves for heaters and fireplace devices Emerging Cross-Sectional Technologies 56 Active
US8011920B2 Valve assemblies for heating devices Emerging Cross-Sectional Technologies 51 Active
US8152515B2 Fuel selectable heating devices Emerging Cross-Sectional Technologies 50 Active
US7730765B2 Oxygen depletion sensor Mechanical Engineering; Lighting; Heating 49 Active
US7677236B2 Heater configured to operate with a first or second fuel Mechanical Engineering; Lighting; Heating 48 Active
US7013886B2 Plastic shell heater Mechanical Engineering; Lighting; Heating 44 Expired
US7967006B2 Dual fuel heater Mechanical Engineering; Lighting; Heating 42 Active
US7967007B2 Heater configured to operate with a first or second fuel Mechanical Engineering; Lighting; Heating 41 Active
US8241034B2 Fuel selection valve assemblies Emerging Cross-Sectional Technologies 34 Active
US6044838A Fume exhaust apparatus for cooking stoves Mechanical Engineering; Lighting; Heating 26 Expired
US8235708B2 Heater configured to operate with a first or second fuel Mechanical Engineering; Lighting; Heating 26 Active
US8757139B2 Dual fuel heating system and air shutter Emerging Cross-Sectional Technologies 22 Active
US8317511B2 Control valves for heaters and fireplace devices Emerging Cross-Sectional Technologies 19 Active
US8297968B2 Pilot assemblies for heating devices Emerging Cross-Sectional Technologies 19 Active
US8281781B2 Dual fuel heater Mechanical Engineering; Lighting; Heating 18 Active
US6276742A Roof and body mounted apparatus for covering automobile windshields Emerging Cross-Sectional Technologies 16 Expired
US8465277B2 Heat engine with nozzle Emerging Cross-Sectional Technologies 16 Active
US8517718B2 Dual fuel heating source Emerging Cross-Sectional Technologies 15 Active
US8545216B2 Valve assemblies for heating devices Emerging Cross-Sectional Technologies 13 Active
US8506290B2 Heating apparatus with air shutter adjustment Mechanical Engineering; Lighting; Heating 13 Active
US8757202B2 Dual fuel heating source Emerging Cross-Sectional Technologies 13 Active
US8516878B2 Dual fuel heater Mechanical Engineering; Lighting; Heating 12 Active

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