DC

Donald D. Cooper

GM Gkn Sinter Metals: 6 patents #9 of 84Top 15%
GG Gkn Sinter Metals Engineering Gmbh: 1 patents #23 of 54Top 45%
Overall (All Time): #550,720 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11577312 Tool set having deflection compensation Eberhard Ernst, Hasim Tekines, Guido Schneider, Rainer Schmitt 2023-02-14
9789529 Stamping slug retention recess and method 2017-10-17
9605744 Dampening assembly and related method of making same Joel H. Mandel, John P. Mohr, III 2017-03-28
9382930 Compression limiter with retention features Alan C. Taylor 2016-07-05
9364884 Stamping slug retention recess 2016-06-14
8789404 Compression limiter having retention features Alan C. Taylor 2014-07-29
8336425 Connecting rod with cast-in insert Joel H. Mandel, Carl J. Langraff 2012-12-25
8071016 Thin walled powder metal component manufacturing Timothy M. Campbell, Joel H. Mandel, Donald J. Phillips, Henry J. Knott 2011-12-06
7625522 Method and apparatus for forming a hole or slot in powder metal components 2009-12-01