Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JP

James A. Pardee — 18 Patents

WTWarner Electric Technology: 11 patents #1 of 59Top 2%
DLDana Limited: 5 patents #98 of 1,099Top 9%
WCWarner Electric Brake & Clutch: 1 patents #6 of 22Top 30%
Janesville, WI: #13 of 319 inventorsTop 5%
Wisconsin: #2,287 of 40,088 inventorsTop 6%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
James A. Pardee has been granted 18 US patents while listed as an inventor at Warner Electric Technology. The first was granted in 1985 and the most recent in March 2015. James A. Pardee ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list James A. Pardee in Janesville, WI, US.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8978854 Rotational coupling device with integrated rotor and brake disc George P. Gill 2015-03-17
8967355 Rotational coupling device configured for vertical orientation George P. Gill 2015-03-03
8887890 Rotational coupling device with self-contained wet clutch pack George P. Gill, Brian K. Holmbeck 2014-11-18
8881882 Rotational coupling device with improved lubrication George P. Gill 2014-11-11
8844701 Rotational coupling device with improved drive key retention structure 2014-09-30
8499916 Rotational coupling device with flux leakage path insulator Michael Humy 2013-08-06
8393451 Rotational coupling device with wear compensation structure Charles F. Magers, George P. Gill 2013-03-12
7975818 Rotational coupling device 2011-07-12
7732959 Rotational coupling device 2010-06-08
7527134 Rotational coupling device 2009-05-05
7493996 Rotational coupling device 2009-02-24
5971121 Mag stop clutch with center pole 1999-10-26
5549186 Clutch/brake assembly 1996-08-27 $6,167,000
5305865 Rotor for electromagnetic coupling Paul A. Larson, Robert L. Stibbe 1994-04-26 $5,769,000
5285882 Clutch with spacer for supporting a bearing 1994-02-15 $3,942,000
5119918 Electromagnetic clutch with permanent magnet brake 1992-06-09 $6,208,000
5033595 Clutch/brake unit 1991-07-23 $3,071,000
4496922 Electromagnetically released coupling 1985-01-29