RK

Robert L. Koelzer

HB Haldex Brake: 10 patents #1 of 38Top 3%
HA Haldex Brake Products Aktiebolag: 7 patents #6 of 60Top 10%
MB Midland Brake: 5 patents #2 of 31Top 7%
📍 Olathe, KS: #47 of 991 inventorsTop 5%
🗺 Kansas: #322 of 12,005 inventorsTop 3%
Overall (All Time): #182,582 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
11460083 Systems and methods for sensing a brake component with an acoustic sensor Aaron C. Bradford 2022-10-04
11338786 Spring brake actuator with diaphragm retainer Albert D. Fisher, Aaron C. Bradford, David C. Rhoads, Michael R. Jenkins 2022-05-24
11105431 Reservoir purge valve 2021-08-31
10889280 Spring brake actuator with diaphragm retainer Albert D. Fisher, Aaron C. Bradford, David C. Rhoads, Michael R. Jenkins 2021-01-12
10502329 Reservoir purge valve 2019-12-10
10315636 Tractor protection valve Randy Young 2019-06-11
8973922 Air suspension height control valve with dual ride height positions 2015-03-10
7784879 Electronic control air management with parking brake and trailer supply control 2010-08-31
7318709 Pump valve assembly Michael R. Jenkins 2008-01-15
7249556 Compressor with fortified piston channel Michael R. Jenkins, Mark D. Schaake, Andrew W. Adams 2007-07-31
7153105 Compressor with swash plate housing inlet port Michael R. Jenkins 2006-12-26
7048000 Pressure reducing valve 2006-05-23
6883416 Swash plate containment assembly Michael R. Jenkins 2005-04-26
6785980 Compressed air supply system 2004-09-07
6439857 Axial piston compressor Andrew W. Adams, Mark D. Schaake, Michael R. Jenkins 2002-08-27
6247764 Full function valve for heavy duty semi-trailer brake systems 2001-06-19
6238013 Solenoid-activated contaminant ejecting relay valve 2001-05-29
5947239 Contaminant-ejecting relay valve for a pneumatic brake system 1999-09-07
5709246 Booster valve with contaminant ejection for use in a pneumatic brake system 1998-01-20
5466053 Full-function valve for tandem trailer brake system 1995-11-14
5425572 Quick-release valve for a vehicle air release brake system Steven D. Wallestad 1995-06-20
5417479 Full-function valve for heavy duty semi-trailer brake system Steven D. Wallestad 1995-05-23
5236250 Full-function valve for heavy duty semi-trailer brake systems Michael J. Moody 1993-08-17