Inventor · Ann Arbor, MI, US

Thomas Kevin MacKinnon

17Patents
6h-index
13Co-inventors
59Inventor score

Filing activity: Jun 2, 2003 → Oct 16, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US7351462B2 Synthetic roofing shingle or tile Emerging Cross-Sectional Technologies 24 Active
US6808785B1 Synthetic roofing shingle or tile Emerging Cross-Sectional Technologies 20 Expired
US8371072B1 Molded synthetic hip, ridge or rake shingle and process and apparatus for molding same Fixed Constructions 20 Active
USD617913S1 Hip, ridge or rake roofing shingle General 13 Expired
US8206807B2 Synthetic roofing shingle or tile Emerging Cross-Sectional Technologies 9 Active
US7785510B2 Process of and apparatus for making a shingle, and shingle made thereby Emerging Cross-Sectional Technologies 6 Active
USD636501S1 Array of hip, ridge or rake roofing shingles General 5 Expired
US7141201B2 Process of simultaneously molding a plurality of composite shingles Emerging Cross-Sectional Technologies 4 Expired
US7141200B2 Process of simultaneously molding a plurality of shingles Performing Operations; Transporting 4 Expired
US8337188B2 Apparatus for making a shingle, and shingle made thereby Emerging Cross-Sectional Technologies 3 Active
US7934346B2 Process of treating a synthetic shingle and shingle made thereby Fixed Constructions 3 Active
USD625845S1 Front portion of a hip, ridge or rake roofing shingle General 3 Expired
US8128857B2 Method of shortening the time to compression mold a roofing shingle or tile and apparatus for facilitating same Emerging Cross-Sectional Technologies 2 Active
US8017052B2 Process of and apparatus for making a shingle, and shingle made thereby Emerging Cross-Sectional Technologies 2 Active
US9579832B2 Method of shortening the time to compression mold a roofing shingle or tile and apparatus for facilitating same Emerging Cross-Sectional Technologies 0 Active
US8257811B2 Composite building product Emerging Cross-Sectional Technologies 0 Active
US8574481B2 Process and apparatus for molding a shingle, for cooling a shingle, for applying a curvature thereto and carrier plate for facilitating the process Performing Operations; Transporting 0 Active

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