Inventor · Orlando, FL, US

Richard G. Smith

36Patents
12h-index
43Co-inventors
81Inventor score

Filing activity: May 22, 1973 → Apr 25, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7418802B2 Expandable shelter system Fixed Constructions 69 Expired
US5301083A Remote control residential circuit breaker Emerging Cross-Sectional Technologies 55 Expired
US4412137A Dual voltage engine starter management system Mechanical Engineering; Lighting; Heating 50 Expired
US4583228A Frequency stabilization of lasers Electricity 49 Expired
US5337214A Bypass contactor for solid state motor starters Electricity 21 Expired
US4755016A Coherent lightwave transmitters Emerging Cross-Sectional Technologies 18 Expired
US6853276B2 Electromagnetic formed contact surface Electricity 14 Expired
US6493202B2 Electromagnetic operator for an electrical contactor and method for controlling same Electricity 14 Expired
US5351024A Electrical contactor and interrupter employing a rotary disc Electricity 14 Expired
US6194984A Movable contact assembly for an electrical contactor Electricity 13 Expired
US7651597B2 Electrochemical sensor Physics 13 Active
US4473835A Long wavelength avalanche photodetector Electricity 12 Expired
US4698623A Overload detection apparatus Physics 11 Expired
US7789763B1 Golf swing teaching aid Human Necessities 10 Active
US5721403A Selective circuit bypass for elevator system Performing Operations; Transporting 10 Expired
US6417749B1 Electric contactor housing Electricity 9 Expired
US6384702B1 Stationary contact for an electrical contactor and method for conducting current through same Electricity 9 Expired
US5258729A Case circuit breaker having improved attachment means for accessory devices and accessory devices therefor Electricity 8 Expired
US3940385A Glossy emulsion coating compositions containing surface treated pigments of oilophilic nature and method Chemistry; Metallurgy 8 Expired
US6411489B1 Electromagnetic operator for an electrical contactor and method for controlling same Electricity 6 Expired
US8193502B2 Optical absorption gas sensor Physics 6 Active
US6798323B2 Welded AC electromagnet lamination assembly incorporating shading coil Emerging Cross-Sectional Technologies 5 Expired
US4951021A Electromagnetic switching apparatus having dynamically balanced latch trip Electricity 5 Expired
US6233131A Electromagnetic operator for an electrical contactor and method for controlling same Electricity 4 Expired
US5319167A Electrical contactor employing a rotary disc Electricity 4 Expired

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