TJ

Thaddeus Lech, Jr.

BO Borgwarner: 15 patents #31 of 1,600Top 2%
BA Borg-Warner Automotive: 3 patents #42 of 259Top 20%
Overall (All Time): #242,960 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4679679 Clutch driven plate assembly with anti-backlash damping Bruce Mullard 1987-07-14
4651859 Clutch driven plate assembly with a two-part hub Robert A. Frantz, III 1987-03-24
4643287 Multi-stage torsional damping device 1987-02-17
4620626 Clutch driven plate assembly with an anti-rattle damper Bruce Mullard 1986-11-04
4615426 Clutch driven plate assembly 1986-10-07
4556136 Clutch driven plate assembly 1985-12-03
4553655 Two-stage clutch damper assembly Paul Louis Schmitz 1985-11-19
4548302 Two-stage clutch damper assembly Robert A. Frantz, III 1985-10-22
4548311 Vehicle torsional damper having low rate and high rate damping stages 1985-10-22
4537296 Clutch driven plate assembly Richard T. Popchock 1985-08-27
4502582 Wet clutch assembly Richard T. Popchock 1985-03-05
4471863 Multi-stage torsional damping device 1984-09-18
4461376 Clutch driven plate assembly with multi-part hub Kenneth A. Weage, deceased 1984-07-24
4446955 Clutch driven plate assembly with a floating hub 1984-05-08
4418812 Clutch driven plate assembly with a floating hub 1983-12-06
4377225 Clutch driven plate assembly with variable friction area Richard T. Popchock 1983-03-22
4375254 Clutch driven plate assembly with cushioned friction material 1983-03-01
4303149 Clutch driven plate with spline locking hub 1981-12-01
4239097 Multiple stage vibration damper assembly John F. Greacen, Kerry G. Knight 1980-12-16