Inventor · Rochester, PA, US

Frederick S. Walters

13Patents
7h-index
12Co-inventors
59Inventor score

Filing activity: Dec 18, 1997 → May 6, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6063597A Polypeptide compositions toxic to coleopteran insects Chemistry; Metallurgy 38 Expired
US6060594A Nucleic acid segments encoding modified bacillus thuringiensis coleopteran-toxic crystal proteins Emerging Cross-Sectional Technologies 32 Expired
US6023013A Insect-resistant transgenic plants Chemistry; Metallurgy 29 Expired
US6642030B1 Nucleic acid compositions encoding modified Bacillus thuringiensis coleopteran-toxic crystal proteins Emerging Cross-Sectional Technologies 21 Expired
US6077824A Methods for improving the activity of .delta.-endotoxins against insect pests Chemistry; Metallurgy 13 Expired
US6620988B1 Coleopteran-resistant transgenic plants and methods of their production using modified Bacillus thuringiensis Cry3Bb nucleic acids Emerging Cross-Sectional Technologies 9 Expired
US7227056B2 Coleopteran-resistant transgenic plants and methods of their production Emerging Cross-Sectional Technologies 7 Expired
US8309516B2 Insecticidal proteins Emerging Cross-Sectional Technologies 7 Active
US8513492B2 Coleopteran-resistant transgenic plants and methods of their production Emerging Cross-Sectional Technologies 6 Active
USRE39580E1 Insect-resistant transgenic plants General 5 Expired
US7544862B2 Coleopteran-resistant transgenic plants and methods of their production Emerging Cross-Sectional Technologies 5 Active
US9522937B2 Insecticidal proteins Emerging Cross-Sectional Technologies 2 Active
US10239921B2 Insecticidal proteins Emerging Cross-Sectional Technologies 0 Active

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