Inventor · Barrington, IL, US

Paul Kay

8Patents
6h-index
9Co-inventors
56Inventor score

Filing activity: Jun 13, 1980 → Oct 19, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US4973323A Ostomy appliance Human Necessities 97 Expired
US4889534A Ostomy appliance with three-lement coupling ring assembly Human Necessities 57 Expired
US4378018A Male urinary drainage device Human Necessities 50 Expired
US6499146B2 Ear protection device Emerging Cross-Sectional Technologies 43 Expired
US4311740A Indentification strip assembly and method of use thereof Emerging Cross-Sectional Technologies 16 Expired
US7210173B2 Ear protection device Emerging Cross-Sectional Technologies 13 Expired
US4808173A Ostomy appliance coupling with viscoelastic liner Emerging Cross-Sectional Technologies 5 Expired
US9241517B2 Ear protection device Emerging Cross-Sectional Technologies 1 Active

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