Inventor · West Lafayette, IN, US

Jonathan N. Howarth

41Patents
12h-index
24Co-inventors
81Inventor score

Filing activity: Oct 30, 1992 → Oct 31, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5607619A Inorganic perbromide compositions and methods of use thereof Emerging Cross-Sectional Technologies 61 Expired
US5264136A Methods for generating residual disinfectants during the ozonization of water Chemistry; Metallurgy 46 Expired
US5385650A Recovery of bromine and preparation of hypobromous acid from bromide solution Chemistry; Metallurgy 42 Expired
US5422126A Halogen compositions for water treatment and method of preparation thereof Human Necessities 33 Expired
US10474563B1 System testing from production transactions Electricity 17 Active
US6638959B2 Microbiological control in aqueous systems Chemistry; Metallurgy 17 Expired
US6565868B1 Methods for microbiological control in aqueous systems Emerging Cross-Sectional Technologies 14 Expired
US6680070B1 Particulate blends and compacted products formed therefrom, and the preparation thereof Human Necessities 14 Expired
US6508954B1 1,3-dibromo-5,5-dimethylhydantoin of enhanced properties Human Necessities 14 Expired
US5620585A Inorganic perbromide compositions and methods of use thereof Chemistry; Metallurgy 13 Expired
US6908636B2 Microbiological control in poultry processing Emerging Cross-Sectional Technologies 13 Expired
US6986910B2 Microbiological control in poultry processing Chemistry; Metallurgy 13 Expired
US5888428A Methods for generating residual disinfectants during the ozonization of water Chemistry; Metallurgy 11 Expired
US6495698B1 Binder-free compacted forms of 1,3-dihalo-5,5-dimethylhydantoins Chemistry; Metallurgy 11 Expired
US6448410B1 Production of compacted biocidal agent from particulate biocidal agent without using a binder Chemistry; Metallurgy 11 Expired
US5641520A Halogen compositions for water treatment Chemistry; Metallurgy 10 Expired
US6641828B1 Methods for microbiological control in aqueous systems Emerging Cross-Sectional Technologies 8 Expired
US6919364B2 Microbiological control in animal processing Emerging Cross-Sectional Technologies 8 Expired
US7182966B2 Microbiological control in poultry processing Emerging Cross-Sectional Technologies 8 Expired
US7172782B2 Microbiological control in poultry processing Chemistry; Metallurgy 7 Expired
US7767240B2 Microbiological control in poultry processing Emerging Cross-Sectional Technologies 6 Active
US6749758B2 Methods and systems for uniform-control of bromine concentrations in water Chemistry; Metallurgy 6 Expired
US7045153B2 Highly concentrated bromine compositions and methods of preparation Chemistry; Metallurgy 6 Expired
US10912321B2 Methods of using peracetic acid to treat poultry in a chill tank during processing Human Necessities 5 Active
US7728132B2 Compositions for stabilizing chlorinated water to sunlight decomposition, and methods of preparation thereof Emerging Cross-Sectional Technologies 4 Active

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