Inventor · Philadelphia, PA, US

Alan E. Varker

10Patents
7h-index
5Co-inventors
51Inventor score

Filing activity: Mar 23, 1977 → Jan 25, 1982

Most-cited inventions

PatentTitleAreaCited byStatus
US4320185A Production of a cell electrode system Emerging Cross-Sectional Technologies 53 Expired
US4385019A Production of a polymeric active composition Emerging Cross-Sectional Technologies 38 Expired
US4433063A Hydrogen sorbent composition Emerging Cross-Sectional Technologies 30 Expired
US4396693A Production of a cell electrode system Emerging Cross-Sectional Technologies 24 Expired
US4358396A Particulate catalyst and preparation Performing Operations; Transporting 15 Expired
US4332698A Catalyst sheet and preparation Performing Operations; Transporting 13 Expired
US4122133A Material for an alkaline cell separator and a process of making Emerging Cross-Sectional Technologies 10 Expired
US4131637A Grafted polymeric material and process for preparing Chemistry; Metallurgy 7 Expired
US4253927A Material for an alkaline cell separator and a process of making Chemistry; Metallurgy 4 Expired
US4206275A Material for an alkaline cell separator and a process of making Emerging Cross-Sectional Technologies 2 Expired

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