Inventor · Marblehead, MA, US

Thomas M. Lemons

22Patents
14h-index
25Co-inventors
81Inventor score

Filing activity: Nov 14, 1973 → Mar 5, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6177678A Method and apparatus for leak detection and non-destructive testing Physics 118 Expired
US7863829B2 LED lighting system Physics 58 Active
US6979104B2 LED inspection lamp Emerging Cross-Sectional Technologies 57 Expired
US7204606B2 LED inspection lamp and LED spot light Emerging Cross-Sectional Technologies 45 Expired
US5313379A Asymmetric sport lighting luminaire Mechanical Engineering; Lighting; Heating 44 Expired
US7568816B2 LED inspection lamp and LED spot light Emerging Cross-Sectional Technologies 44 Active
US4569003A Interior indirect lighting Mechanical Engineering; Lighting; Heating 36 Expired
US3950638A High intensity indirect lighting fixture Mechanical Engineering; Lighting; Heating 33 Expired
US4864476A Outdoor lighting system Mechanical Engineering; Lighting; Heating 27 Expired
US5730521A Glare control sports lighting luminaire Mechanical Engineering; Lighting; Heating 24 Expired
US5036436A Task light Mechanical Engineering; Lighting; Heating 22 Expired
US5622427A Emergency strobe light Mechanical Engineering; Lighting; Heating 19 Expired
US5865527A Emergency strobe light Mechanical Engineering; Lighting; Heating 15 Expired
US4536832A Replaceable light source assembly Mechanical Engineering; Lighting; Heating 14 Expired
US3940606A High intensity spotlight Mechanical Engineering; Lighting; Heating 12 Expired
US5485319A Medical device for lighting a treatment field Mechanical Engineering; Lighting; Heating 12 Expired
US5390095A Visual signaling device Mechanical Engineering; Lighting; Heating 11 Expired
US4668869A Modulated optical energy source Mechanical Engineering; Lighting; Heating 10 Expired
USRE31003E High intensity spotlight General 3 Expired
US9206950B1 Light emitting diode (LED) sports lighting luminaire assembly Emerging Cross-Sectional Technologies 3 Active
US9599563B2 LED inspection lamp and LED spotlight Emerging Cross-Sectional Technologies 2 Active
US8998449B1 Light emitting diode (LED) sports lighting luminaire assembly Emerging Cross-Sectional Technologies 1 Active

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