Inventor · Hallstahammar, SE

Thomas Lewin

18Patents
5h-index
13Co-inventors
63Inventor score

Filing activity: Feb 12, 1987 → Jan 2, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US4774658A Standardized alarm notification transmission alternative system Physics 101 Expired
US6125134A Electric furnace assembly Electricity 9 Expired
US5902659A Flexible labeling system Emerging Cross-Sectional Technologies 7 Expired
US6447863B1 Flexible labeling system Emerging Cross-Sectional Technologies 7 Expired
US7576306B2 Electric heating element that includes a radiant tube Electricity 5 Expired
US7550050B2 Method and apparatus for cooling strip and wire material Chemistry; Metallurgy 3 Expired
US7993130B2 Method of combustion with the aid of burners in industrial furnaces, and a burner to this end Mechanical Engineering; Lighting; Heating 3 Active
US8071921B2 Method to supply electric current to a tube furnace Electricity 2 Active
US7439473B2 Method and arrangement for supporting vertically depending electrical resistance elements Electricity 2 Expired
US7469489B2 Method gas burner and a combined gas burner and cooler with gas insulation Mechanical Engineering; Lighting; Heating 2 Expired
US8597438B2 Use and method of producing a dispersion strengthened steel as material in a roller for a roller hearth furnace Chemistry; Metallurgy 2 Active
US6776610B2 Burner arranged with a mixing chamber for fuel and combustion air Emerging Cross-Sectional Technologies 2 Expired
US7833011B2 Method and device for igniting and monitoring a burner Mechanical Engineering; Lighting; Heating 1 Expired
US7692122B2 Heat conductor support disc Mechanical Engineering; Lighting; Heating 1 Active
US9137858B2 Electric heating device Electricity 0 Active
US8565283B2 Insert and a heater element for electrical furnaces Mechanical Engineering; Lighting; Heating 0 Active
US9144114B2 Heater element as well as an insert for electrical furnaces Electricity 0 Active
US8450663B2 Electrical heating element for vertical installation Mechanical Engineering; Lighting; Heating 0 Active

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