Inventor · Ames, IA, US

Ann Vorwald

8Patents
5h-index
8Co-inventors
52Inventor score

Filing activity: Mar 1, 1996 → Feb 20, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5976537A Porcine reproductive and respiratory syndrome vaccine Emerging Cross-Sectional Technologies 32 Expired
US6015663A Restriction enzyme screen for differentiating porcine reproductive and respiratory syndrome virus strains Chemistry; Metallurgy 32 Expired
US6660513B2 Porcine reproductive and respiratory syndrome vaccine, based on isolate JA-142 Emerging Cross-Sectional Technologies 22 Expired
US7081342B2 Porcine reproductive and respiratory syndrome vaccine, based on isolate JA-142 Emerging Cross-Sectional Technologies 19 Expired
US6641819B2 Porcine reproductive and respiratory syndrome vaccine, based on isolate JA-142 Emerging Cross-Sectional Technologies 17 Expired
US8747859B2 Porcine reproductive and respiratory syndrome vaccine based on isolate JA-142 Emerging Cross-Sectional Technologies 0 Active
US8741309B2 Porcine reproductive and respiratory syndrome vaccine based on isolate JA-142 Emerging Cross-Sectional Technologies 0 Active
US8491916B2 Porcine reproductive and respiratory syndrome vaccine based on isolate JA-142 General 0 Revoked

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