Inventor · North Royalton, OH, US

William J. Willis

12Patents
10h-index
6Co-inventors
65Inventor score

Filing activity: Jan 23, 1976 → Oct 13, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5072463A EZ access bed Human Necessities 148 Expired
US4582576A Plating bath and method for electroplating tin and/or lead Electricity 38 Expired
US5554211A Aqueous electroless plating solutions Electricity 33 Expired
US4347108A Electrodeposition of copper, acidic copper electroplating baths and additives therefor Chemistry; Metallurgy 30 Expired
US6063172A Aqueous immersion plating bath and method for plating Emerging Cross-Sectional Technologies 30 Expired
US4169772A Acid zinc plating baths, compositions useful therein, and methods for electrodepositing bright zinc deposits Chemistry; Metallurgy 23 Expired
US4139425A Composition, plating bath, and method for electroplating tin and/or lead Chemistry; Metallurgy 20 Expired
US4135991A Bath and method for electroplating tin and/or lead Chemistry; Metallurgy 16 Expired
US4730022A Polymer compositions and alkaline zinc electroplating baths Chemistry; Metallurgy 11 Expired
US4582050A Therapeutic bed with traction assembly Human Necessities 10 Expired
US4146441A Additive compositions, baths, and methods for electrodepositing bright zinc deposits Chemistry; Metallurgy 7 Expired
US4188271A Alkaline zinc electroplating baths and additive compositions therefor Chemistry; Metallurgy 5 Expired

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