Inventor · Midland, MI, US

Gary C. Welsh

10Patents
7h-index
14Co-inventors
63Inventor score

Filing activity: Apr 7, 1986 → Dec 16, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5250577A Polystyrene foam made with only carbon dioxide as a blowing agent and a process for making the same Chemistry; Metallurgy 45 Expired
US5266605A Polystyrene foam made with only carbon dioxide as a blowing agent and a process for making the same Chemistry; Metallurgy 24 Expired
US5340844A Polystyrene foam and a process for making the same Emerging Cross-Sectional Technologies 21 Expired
US4742741A Rotary sheeter Emerging Cross-Sectional Technologies 20 Expired
US8609778B1 Styrenic resin incorporating recycled polystyrene Emerging Cross-Sectional Technologies 16 Active
US4927690A Thermoformable laminated packaging material Emerging Cross-Sectional Technologies 15 Expired
US6544450B2 Process for producing thermoformable foam sheet using a physical blowing agent Chemistry; Metallurgy 7 Expired
US6093781A Non-linear styrenic polymer compositions and articles prepared therefrom Chemistry; Metallurgy 4 Expired
US9096698B2 Styrenic resin incorporating recycled polystyrene Chemistry; Metallurgy 0 Active
US9115228B2 Styrenic resin having improved extensional viscosity Chemistry; Metallurgy 0 Active

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