Inventor · Export, PA, US

James R. Fields

10Patents
7h-index
31Co-inventors
66Inventor score

Filing activity: Apr 15, 1985 → Dec 3, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6503292B2 Molten metal treatment furnace with level control and method Mechanical Engineering; Lighting; Heating 111 Expired
US5076344A Die-casting process and equipment Chemistry; Metallurgy 31 Expired
US5697422A Apparatus and method for cold chamber die-casting of metal parts with reduced porosity Performing Operations; Transporting 26 Expired
US5370171A Die-casting process and equipment Chemistry; Metallurgy 23 Expired
US5246055A Vacuum die-casting machine with apparatus and method for controlling pressure behind piston Chemistry; Metallurgy 17 Expired
US8950465B2 Aluminum alloys, aluminum alloy products and methods for making the same Emerging Cross-Sectional Technologies 9 Active
US5435373A Apparatus and method for lubricating and cleaning out die-casting equipment Chemistry; Metallurgy 9 Expired
US8349462B2 Aluminum alloys, aluminum alloy products and methods for making the same Emerging Cross-Sectional Technologies 6 Active
US5492166A Shot sleeve having a passageway for fluid flow Performing Operations; Transporting 5 Expired
US4576690A Separation of volatile impurities from aluminum chloride before electrolysis Chemistry; Metallurgy 5 Expired

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