Inventor · Swisher, IA, US

Michael C. Borwig

19Patents
5h-index
9Co-inventors
55Inventor score

Filing activity: Nov 1, 2001 → Apr 6, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6981398B2 Seam closing apparatus Emerging Cross-Sectional Technologies 15 Expired
US8561448B2 Duct blank seam and apparatus for making a duct blank seam Emerging Cross-Sectional Technologies 9 Active
US7234734B2 Integral transverse flanges for a duct connecting system Mechanical Engineering; Lighting; Heating 6 Expired
US7681297B2 Duct fastseam Emerging Cross-Sectional Technologies 6 Expired
US8499604B2 Duct making apparatus and method Emerging Cross-Sectional Technologies 5 Active
US6746534B2 Apparatus for applying glue Performing Operations; Transporting 3 Expired
US8276425B2 Ductmaking apparatus Emerging Cross-Sectional Technologies 3 Active
US7805833B2 Duct reinforcement rod and fabrication apparatus Emerging Cross-Sectional Technologies 2 Active
US9027376B2 Apparatus and method for inserting angle plates and closing duct seams Emerging Cross-Sectional Technologies 2 Active
US8561272B2 Apparatus for assembling insulated duct sections Emerging Cross-Sectional Technologies 2 Active
US8225636B2 Apparatus for forming a duct Emerging Cross-Sectional Technologies 1 Active
US9157653B2 Apparatus and method for inserting angle plates and closing duct seams Emerging Cross-Sectional Technologies 1 Active
US8590577B2 Ductmaking apparatus Emerging Cross-Sectional Technologies 1 Active
US11499741B2 Duct blank seam and apparatus for making a duct blank seam Emerging Cross-Sectional Technologies 0 Active
US8950229B2 Duct blank seam and apparatus for making a duct blank seam Emerging Cross-Sectional Technologies 0 Active
US8459307B2 Duct fastseam Emerging Cross-Sectional Technologies 0 Active
US8458884B2 Method for forming a duct Emerging Cross-Sectional Technologies 0 Active
US8910548B2 Duct wrap dispenser Emerging Cross-Sectional Technologies 0 Active
US9810447B2 Duct blank seam and apparatus for making a duct blank seam Emerging Cross-Sectional Technologies 0 Active

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