B60G 11/18
Resilient suspensions characterised by arrangement, location or kind of springs: having torsion-bar
Official title: having torsion-bar springs only {(B60G11/006 takes precedence; having rubber springs of the torsional-energy-absorption type B60G11/23)}
B60G11/18 (Resilient suspensions characterised by arrangement, location or kind of springs: having torsion-bar) appears on 216 US grants and 135 published applications in this corpus.
Search patents in B60G- Granted patents
- 216
- Published applications
- 135
- Assignees
- 125
- Inventors
- 436
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 11 | 7 |
| 2003 | 4 | 4 |
| 2004 | 3 | 6 |
| 2005 | 7 | 5 |
| 2006 | 2 | 5 |
| 2007 | 2 | 1 |
| 2008 | 1 | 4 |
| 2009 | 4 | 0 |
| 2010 | 1 | 2 |
| 2011 | 4 | 5 |
| 2012 | 1 | 3 |
| 2013 | 6 | 6 |
| 2014 | 6 | 10 |
| 2015 | 11 | 3 |
| 2016 | 5 | 9 |
| 2017 | 3 | 4 |
| 2018 | 3 | 10 |
| 2019 | 4 | 5 |
| 2020 | 4 | 6 |
| 2021 | 9 | 9 |
| 2022 | 6 | 4 |
| 2023 | 6 | 5 |
| 2024 | 7 | 9 |
| 2025 | 7 | 7 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60G 11/20Characterised by means specially adapted for attaching the spring to axle or80
- B60G 11/183Arranged in a plane transverse to the longitudinal axis of the vehicle58
- B60G 11/181Arranged in a plane parallel to the longitudinal axis of the vehicle55
- B60G 11/184The torsion-bar consisting of a bundle of torsion elements27
- B60G 11/182Arranged in a plane oblique to the longitudinal axis of the vehicle4
- B60G 11/189The torsion spring consisting of a tube with a slit1
Recent patents
- Systems and methods for vehicle suspension assemblies11 Aug 2026US 12,703,215 B2Oshkosh Corporation
- Active spring unit2 Jun 2026US 12,643,361 B2Ford Global Technologies, LLC
- Trailer axle cartridge11 Nov 2025US 12,466,504 B2Norco Industries, Inc.
- Torsion bar unit30 Sep 2025US 12,427,821 B2NHK Spring Co., Ltd.
- Vehicle height control system2 Sep 2025US 12,403,741 B2Hyundai Motor Company
- Joint structure of vehicle body8 Oct 2026US 2026/0307720 A1Hyundai Motor Company
- Robot mobility systems6 Aug 2026US 2026/0225422 A1Collaborative Robotics
- Torsion bar bearing comprising a radial abutment28 May 2026US 2026/0145475 A1Sumitomo Riko Company Limited
- Spring system having a spring arrangement7 May 2026US 2026/0124870 A1
- Drive assembly for a motor vehicle30 Apr 2026US 2026/0116165 A1
Most cited
By later US patents
- Adjustable torsion bar anchor for vehicle168US 6,779,806 B1Oshkosh Truck Corporation · 2004
- Filled tubular torsion bar and its method of manufacture118US 4,836,516 AEssex Composite Systems · 1989
- Method of making a torsion bar89US 4,908,930 AEssex Composite Systems · 1990
- Variable-width torsion spring axle82US 5,326,128 ACSN Manufacturing, Inc. · 1994
- Suspension system for trailer76US 5,378,010 AOshkosh Truck Corporation · 1995