Inventor · De Witt, IA, US

Leif Solheim

14Patents
9h-index
29Co-inventors
68Inventor score

Filing activity: Oct 31, 1991 → Jan 15, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7494675B2 Process for the production of animal feed and ethanol and novel animal feed Emerging Cross-Sectional Technologies 66 Active
US5756714A Method for liquefying starch Chemistry; Metallurgy 62 Expired
US5405836A Pet foods with water-soluble zinc compound coating for controlling malodorous breath Emerging Cross-Sectional Technologies 50 Expired
US5322778A Liquefaction of granular starch slurries using an antioxidant with alpha amylase Chemistry; Metallurgy 50 Expired
US7998455B2 Process for hydrogen gas production from carbohydrate feedstocks Emerging Cross-Sectional Technologies 46 Active
US5736499A Mutant A-amylase Chemistry; Metallurgy 41 Expired
US5958739A Mutant .alpha.-amylase Chemistry; Metallurgy 36 Expired
US5849549A Oxidatively stable alpha-amylase Chemistry; Metallurgy 25 Expired
US5652127A Method for liquefying starch Chemistry; Metallurgy 20 Expired
US7998511B2 Process for the production of animal feed and ethanol and novel animal feed Emerging Cross-Sectional Technologies 8 Active
US7094582B2 Cell-free production of glucosamine Chemistry; Metallurgy 6 Expired
US6184002A Method for liquefying starch Chemistry; Metallurgy 4 Expired
US7247458B2 Enzymatic decarboxylation of 2-keto-L-gulonic acid to produce xylose Emerging Cross-Sectional Technologies 3 Expired
US8685680B2 Method for producing fats or oils Chemistry; Metallurgy 3 Active

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