Inventor · Romeo, MI, US

James F. Hengel

13Patents
7h-index
15Co-inventors
63Inventor score

Filing activity: Dec 9, 1982 → Feb 13, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US4539956A Diesel fuel injection pump with adaptive torque balance control Emerging Cross-Sectional Technologies 28 Expired
US7645105B2 Projection welded fastener with integral sealer Emerging Cross-Sectional Technologies 24 Active
US7695227B2 Fastener for attachment by friction stir processing Mechanical Engineering; Lighting; Heating 11 Active
US7429713B2 Method for improving single sided resistance spot welds Performing Operations; Transporting 11 Expired
US7880112B2 Method for welding and adhesively attaching a shaped fastener to inside of member Mechanical Engineering; Lighting; Heating 8 Active
US7399942B2 Method for projection bonding of telescoped tubes Performing Operations; Transporting 8 Expired
US7527463B2 Nut and method for adhesive nut attachment Mechanical Engineering; Lighting; Heating 7 Active
US6765171B1 Projection welding of flanged weld nut Performing Operations; Transporting 5 Expired
US6770835B1 Method of welding a cage and nut assembly to a workpiece Performing Operations; Transporting 4 Expired
US8987630B2 Method for adhesive bonding together of metal sheets Performing Operations; Transporting 2 Active
US7527705B2 Method for routing electrical conductor between panels Performing Operations; Transporting 1 Active
US8987631B2 Method and apparatus for welding to laminated metal Performing Operations; Transporting 1 Active
US6446511B1 Method and system for testing a joint which joins a first member with a second member Physics 1 Expired

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