RM

Roger D. Mickelson

CG Case Gmbh: 7 patents #35 of 504Top 7%
CA Cnh America: 6 patents #83 of 777Top 15%
JC J. I. Case: 4 patents #35 of 306Top 15%
FM Fmc: 1 patents #867 of 1,735Top 50%
Overall (All Time): #237,477 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10711926 Sealing assembly with retention sleeve for fluid conduit connector 2020-07-14
7891459 Multiple ratio steering for loader Richard J. Lech 2011-02-22
7673699 Sway restrictor bracket for a draft link of a three point hitch Robert E. Mozingo, Ralph D. Galloway, Marvin L. Linder 2010-03-09
7377330 Sway restrictor bracket for a draft link of a three point hitch Robert E. Mozingo, Ralph D. Galloway, Marvin L. Linder 2008-05-27
6964221 Welded hydraulic actuator including a seal and method of manufacturing same David Wiese 2005-11-15
6926113 Cushioned steering for articulated vehicle Matthew J. Hennemann, David R. Natzke, Donnell L. Dunn 2005-08-09
6817278 Piston assembly for hydraulic cylinder Matthew J. Hennemann, Philip A. Iannarelli 2004-11-16
6694615 Method for manufacturing a welded hydraulic cylinder for reducing hoop stress 2004-02-24
6637315 Welded hydraulic cylinder for work vehicles 2003-10-28
6612109 Hydraulic power boost system for a work vehicle 2003-09-02
6397890 Variable metering fluid control valve Matthew J. Hennemann, David W. Swaim 2002-06-04
6267548 Automatic over center system Richard J. Lech, Robert E. Wawiorka 2001-07-31
6260467 Hydraulic circuit providing plural swing rates in an earthworking construction machine Richard J. Lech 2001-07-17
5511329 Backhoe mounting mechanism 1996-04-30
4787204 Common relief valve 1988-11-29
4767255 Backhoe boom cylinder bleed circuit Thomas R. Brown 1988-08-30
4624106 Pressure-compensating hydraulic system for preventing unauthorized use of a material handling implement Thomas R. Brown 1986-11-25
4559965 Multiple compensating unloading valve circuit 1985-12-24
4205591 Multiple speed hoisting system with pressure protection and load control 1980-06-03