Inventor · Richmond, VA, US

Ian Macpherson

11Patents
7h-index
13Co-inventors
63Inventor score

Filing activity: Jul 18, 1991 → Oct 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7491149B2 Fluid supply arrangement for a rolling-traction continuously variable ratio transmission unit Mechanical Engineering; Lighting; Heating 33 Expired
US5358652A Inhibiting hydrolytic degradation of hydrolyzable oleaginous fluids Chemistry; Metallurgy 20 Expired
US5595966A Biodegradable lubricants and functional fluids Mechanical Engineering; Lighting; Heating 15 Expired
US5691283A Use of transmission and gear oil lubricants having enhanced friction properties Chemistry; Metallurgy 13 Expired
US5843874A Clean performing gear oils Chemistry; Metallurgy 13 Expired
US5700764A Lubricant compositions Chemistry; Metallurgy 9 Expired
US5658864A Biodegradable pour point depressants for industrial fluids derived from biodegradable base oils Chemistry; Metallurgy 8 Expired
US8865633B2 Gear oil compositions Chemistry; Metallurgy 2 Active
US9271113B2 Network elements, cellular communication system and methods therefor Electricity 1 Active
USD1054800S1 Utensil case General 1 Active
US7780746B2 Additives and lubricant formulations for improved used oil combustion properties Chemistry; Metallurgy 0 Active

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