JB

John C. Bierlein

General Motors: 5 patents #3,082 of 18,328Top 20%
EA Eaton: 3 patents #934 of 3,708Top 30%
Overall (All Time): #664,614 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6374951 Gear isolation shroud for transmission Thomas A. Michelhaugh 2002-04-23
5842380 Shift yoke Alan R. Davis, Marcel Amsallen, Mark L. Lanting, Douglas C. Gooch 1998-12-01
5466137 Roller gerotor device and pressure balancing arrangement therefor Wayne B. Wenker, Jerry L. Yoho 1995-11-14
4618505 Method of making adherent score-resistant coating for metals Bernard A. MacIver, James C. Erskine 1986-10-21
4554208 Metal bearing surface having an adherent score-resistant coating Bernard A. MacIver, James C. Erskine 1985-11-19
4553856 Bearing having nickel-tin-copper barrier layer Arnold O. DeHart 1985-11-19
4540636 Metal bearing element with a score-resistant coating Bernard A. Mac Iver, James C. Erskine 1985-09-10
4233071 Bearing having iron sulfur matrix Edward J. Shipek 1980-11-11