Inventor · Midland, MI, US

John P. Henley

12Patents
9h-index
32Co-inventors
72Inventor score

Filing activity: Apr 5, 1988 → May 11, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US4872886A Two-stage coal gasification process Emerging Cross-Sectional Technologies 73 Expired
US5190737A High yield manufacturing process for silicon carbide Chemistry; Metallurgy 32 Expired
US6797845B1 Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent Performing Operations; Transporting 30 Expired
US6933417B1 Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent Emerging Cross-Sectional Technologies 28 Expired
US5380688A Method for making submicrometer carbides, submicrometer solid solution carbides, and the material resulting therefrom Chemistry; Metallurgy 25 Expired
US5607297A Moving bed process for carbothermally synthesizing nonoxide ceramic powders Chemistry; Metallurgy 14 Expired
US5126121A Process for preparing aluminum nitride powder via controlled combustion nitridation Chemistry; Metallurgy 12 Expired
US5370854A Moving bed process for carbothermally synthesizing nonoxide ceramic powders Chemistry; Metallurgy 12 Expired
US5219804A Process for preparing ultrafine aluminum nitride powder Chemistry; Metallurgy 11 Expired
US5942204A Method to produce a transition metal carbide from a partially reduced transition metal compound Chemistry; Metallurgy 9 Expired
US8092769B2 Production of one or more useful products from lesser value halogenated materials Chemistry; Metallurgy 1 Active
US7635446B2 Method for debindering ceramic honeycombs Chemistry; Metallurgy 1 Active

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