DO

David C. Ochab

TH The Hilliard: 16 patents #1 of 28Top 4%
PI Polaris Industries: 1 patents #483 of 746Top 65%
PP Polaris Industries Partners: 1 patents #13 of 31Top 45%
Overall (All Time): #269,046 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12104659 Flexible armature plate for an electro-magnetic overrunning clutch William J. Coon, James E. Palmer 2024-10-01
10989258 Flexible armature plate for an electro-magnetic overrunning clutch William J. Coon, James E. Palmer 2021-04-27
9856930 Bi-directional overrunning clutch with outer spring for a drive axle Kelly P. Heath 2018-01-02
9272620 True four wheel drive system for vehicle Howard J. Knickerbocker, J. Brendan Brewer, James E. Palmer 2016-03-01
9022195 Bi-directional overrunning clutch having split roll cage and drag mechanism Kelly P. Heath, James E. Palmer, John R. Updyke, Howard J. Knickerbocker 2015-05-05
8919513 Bi-directional overrunning clutch having split roll cage Kelly P. Heath, James E. Palmer, John R. Updyke 2014-12-30
8840514 Bi-directional overrunning clutch with improved indexing mechanism Howard J. Knickerbocker, Mathew Cowen 2014-09-23
8651986 Drive clutch for a continuously variable transmission with engine braking and built in belt protection Matthew J. Cowen, Scott C. Schneider, Steven M. Averill, Kenneth W. Moyer, II, William J. Coon 2014-02-18
8613351 Centrifugal clutch with heat mitigating spring arrangement Scott C. Schneider, Steven M. Averill 2013-12-24
7410042 Self-energizing pump for overrunning clutch Brendan Brewer, Matthew J. Cowen, Kelly P. Heath, John Michael Hasson, Jr. 2008-08-12
6722484 Bi-directional overrunning clutch for a primary drive axle Kelly P. Heath 2004-04-20
6629590 Spring assembly for a bi-directional overrunning clutch Matthew J. Cowen, Kelly P. Heath 2003-10-07
6622837 Bi-directional overrunning clutch with automatic backdrive Matthew J. Cowen, Kelly P. Heath 2003-09-23
RE38012 Bi-directional overrunning clutch John R. Updyke 2003-03-04
6149540 Continuously variable transmission system with engine braking Mitchell D. Johnson, Gregory G. Lislegard, Michael R. Trihey, Steven D. Corneliusen, Joel H. Anderson +3 more 2000-11-21
5971123 Bi-directional overrunning clutch John R. Updyke 1999-10-26
5036939 Multiple axle drive vehicle with overrunning roller clutch hubs Mitchell Johnson, Robert Eastman 1991-08-06