Inventor · Chesterfield, MO, US

Donald Speck

16Patents
11h-index
21Co-inventors
68Inventor score

Filing activity: Jul 2, 1997 → Jun 24, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
USD478705S1 Pet treat General 68 Expired
US6358546B1 Methods for customizing pet food Emerging Cross-Sectional Technologies 52 Expired
USD494735S1 Pet food snack General 39 Expired
USD435713S Lamb bone shaped dog treat General 35 Expired
USD435955S Ham bone shaped dog treat General 32 Expired
USD695988S1 Animal treat General 27 Active
US7879377B2 Pet snack Emerging Cross-Sectional Technologies 24 Active
US6576280B2 Systems for customizing pet food Emerging Cross-Sectional Technologies 19 Expired
USD527164S1 Pet treat General 19 Expired
US6261081A Extruder with variable restriction element Performing Operations; Transporting 14 Expired
US6025004A Process for mechanically controlling the bulk density of an extruded food material Performing Operations; Transporting 11 Expired
US6270820A Process for dry stable intermediate pet food composition Emerging Cross-Sectional Technologies 8 Expired
USD486621S1 Treat for pets General 7 Expired
USD706519S1 Edible pet treat General 3 Active
US7585533B2 Pressure formed pet food and method Emerging Cross-Sectional Technologies 3 Expired
USD530483S1 Pet food General 1 Expired

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