Inventor · East Greenwich, RI, US

James W. Mears

21Patents
10h-index
16Co-inventors
72Inventor score

Filing activity: Sep 3, 1975 → Mar 15, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4296815A Deflector with converging lower tines for horizontal sprinkler Emerging Cross-Sectional Technologies 71 Expired
US5152344A Fire protection sprinkler Human Necessities 64 Expired
US4279309A Sprinkler head with noncircular throat Human Necessities 54 Expired
US5188185A Dry sprinkler Human Necessities 51 Expired
US5533576A Automatic on-off fire protection sprinkler Human Necessities 36 Expired
US4618002A Fire protection sprinkler head Human Necessities 29 Expired
US5236002A Domestic water supply shutoff valve Emerging Cross-Sectional Technologies 24 Expired
US4128128A Diaphragm actuated sprinkler head Mechanical Engineering; Lighting; Heating 16 Expired
US4215751A Finish plate assembly for a sprinkler head having interengaging ramp and arm elements Human Necessities 14 Expired
US6308784A Flush sprinkler Performing Operations; Transporting 12 Expired
US6715451B2 Fuel-fired heating appliance with combustion air shutoff system having frangible temperature sensing structure Emerging Cross-Sectional Technologies 10 Expired
US8746356B1 Dry Sprinkler Human Necessities 9 Active
US8327946B1 Dry sprinkler Human Necessities 8 Active
US6776125B2 Methods of operating a fuel-fired heating apparatus Emerging Cross-Sectional Technologies 8 Expired
US8469112B1 Dry sprinkler Human Necessities 6 Active
US6964248B2 Fuel-fired heating appliance with temperature-based fuel shutoff system Mechanical Engineering; Lighting; Heating 5 Expired
US6814031B2 Combustion air shutoff apparatus for a fuel-fired heating appliance Emerging Cross-Sectional Technologies 4 Expired
USRE29155E On-off sprinkler General 4 Expired
US6893253B2 Fuel-fired heating appliance with temperature-based fuel shutoff system Mechanical Engineering; Lighting; Heating 4 Expired
US10195473B1 Dry sprinkler Human Necessities 3 Active
US9636531B1 Dry sprinkler Human Necessities 1 Active

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