Inventor
KEELER MICHAEL J
US27 patents
⚠️ This page may combine multiple inventors who share the name “KEELER MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BOLER CO
11 patentsUS5403031AApr 4, 1995
Parallelogram lift axle suspension system with a control for axle caster adjustment
BOLER CO210 citations99
US6073947AJun 13, 2000
Substantially weld free frame bracket assembly
BOLER CO61 citations96
US6007078ADec 28, 1999
Self-steering, caster adjustable suspension system
BOLER CO73 citations96
US5810377ASep 22, 1998
Fabricated steer axle
BOLER CO74 citations96
US5620194AApr 15, 1997
Self-steering suspension lockout mechanism
BOLER CO72 citations96
US5366237ANov 22, 1994
Axle suspension systems
BOLER CO178 citations96
US5037126AAug 6, 1991
Lightweight beam suspension system
BOLER CO123 citations96
US5649719AJul 22, 1997
Linkage suspension system
BOLER CO109 citations93
US6880839B2Apr 19, 2005
In-line lift axle suspension system
BOLER CO53 citations92
US6808035B1Oct 26, 2004
Tandem rear axle suspensions for trucks and truck-tractors
BOLER CO34 citations92
US6527286B2Mar 4, 2003
Vehicle suspension assembly
BOLER CO58 citations91
HENDRICKSON USA LLC
8 patentsUS7766352B2Aug 3, 2010
Roll stable vehicle suspension system
HENDRICKSON USA LLC9 citations84
US9193236B2Nov 24, 2015
Heavy-duty vehicle axle-to-beam or crossbrace-to-beam connection
HENDRICKSON USA LLC10 citations81
US10994581B2May 4, 2021
Spread active clamp group for vehicle leaf spring
HENDRICKSON USA LLC7 citations80
US9738131B2Aug 22, 2017
Air spring with damping characteristics for heavy-duty vehicles
HENDRICKSON USA LLC14 citations80
US10611206B2Apr 7, 2020
Air suspension control system
HENDRICKSON USA LLC6 citations72
US10137749B2Nov 27, 2018
Air spring with damping characteristics for heavy-duty vehicles
HENDRICKSON USA LLC0 citations48
US12370861B2Jul 29, 2025
Torque rod for vehicle suspension
HENDRICKSON USA LLC0 citations41
US10744836B2Aug 18, 2020
Composite suspension components
HENDRICKSON USA LLC0 citations37
WESTNEDGE ANDREW J
4 patentsUS8540222B2Sep 24, 2013
Air spring for a heavy-duty vehicle with damping features
WESTNEDGE ANDREW J40 citations93
US9079467B2Jul 14, 2015
Heavy-duty vehicle axle-to-beam or crossbrace-to-beam connection
WESTNEDGE ANDREW J9 citations82
US8454040B2Jun 4, 2013
Heavy-duty axle-to-beam connection
WESTNEDGE ANDREW J15 citations82
US9157529B2Oct 13, 2015
Piston for an air spring of a heavy-duty vehicle
WESTNEDGE ANDREW J16 citations81