RL

Richard J. Lech

CG Case Gmbh: 13 patents #12 of 504Top 3%
CA Cnh America: 8 patents #61 of 777Top 8%
JC J. I. Case: 2 patents #81 of 306Top 30%
CA Cnh Industrial America: 1 patents #867 of 1,456Top 60%
📍 West Burlington, IA: #1 of 154 inventorsTop 1%
🗺 Iowa: #451 of 15,303 inventorsTop 3%
Overall (All Time): #174,287 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
9347200 Fluid control system for work vehicle Matthew J. Hennemann 2016-05-24
8353157 Open center hydraulic system Garrett L. Anderson, Matthew J. Hennemann, C. David Anderson 2013-01-15
8142132 Automatic over-center system Vlad Petru Patrangenaru 2012-03-27
7891459 Multiple ratio steering for loader Roger D. Mickelson 2011-02-22
7674084 Hydraulically cushioned backhoe boom bumper and travel limiter 2010-03-09
7251934 Work vehicle hydraulic system Matthew J. Hennemann 2007-08-07
7032332 Method of controlling a backhoe Eric Sharkness, Dennis Heyne 2006-04-25
6941687 Electronic control for swing damping Eric Sharkness, Dennis Heyne 2005-09-13
6886278 Hydraulic swing damping system Eric Sharkness, Dennis Heyne 2005-05-03
6647721 Hydraulic system for suppressing oscillation in heavy equipment Dennis Heyne, Eric Sharkness, David W. Swaim, Guy T. Stoever, Ian MacLeod 2003-11-18
6640409 Method for retrofitting a swing damping valve circuit to a work vehicle Eric Sharkness, Dennis Heyne 2003-11-04
6532738 System for reducing boom swing oscillation in a backhoe assembly Eric Sharkness, Dennis Heyne 2003-03-18
6474064 Hydraulic system and method for regulating pressure equalization to suppress oscillation in heavy equipment Dennis Heyne, Eric Sharkness 2002-11-05
6398227 Ride control apparatus and method Alan D. Berger, Danley C. Chan, Dennis Heyne 2002-06-04
6354089 Apparatus and method for cooling multiple fluids on a work vehicle Larry A. Johnson 2002-03-12
6267548 Automatic over center system Roger D. Mickelson, Robert E. Wawiorka 2001-07-31
6260467 Hydraulic circuit providing plural swing rates in an earthworking construction machine Roger D. Mickelson 2001-07-17
6128900 Hydraulic fluid supply system Richard A. Atkins, Curtis R. Lyons, Michael G. Nahorny, Robert T. Peterson, Robert E. Wawiorka 2000-10-10
6029445 Variable flow hydraulic system 2000-02-29
5678469 Creeper drive system 1997-10-21
5471908 Hydraulic system for backhoe 1995-12-05
5413452 Hydraulic system for a backhoe apparatus Patrick J. Pieper 1995-05-09
4942935 Auxiliary power steering system 1990-07-24
4622803 Header flotation 1986-11-18