B60G 2206/424
Plunger or top retainer construction for bellows or rolling lobe type air
Official title: Plunger or top retainer construction for bellows or rolling lobe type air springs
B60G2206/424 (Plunger or top retainer construction for bellows or rolling lobe type air) appears on 191 US grants and 184 published applications in this corpus.
Search patents in B60G- Granted patents
- 191
- Published applications
- 184
- Assignees
- 94
- Inventors
- 315
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 11 | 7 |
| 2003 | 4 | 3 |
| 2004 | 6 | 11 |
| 2005 | 7 | 2 |
| 2006 | 2 | 10 |
| 2007 | 3 | 4 |
| 2008 | 3 | 9 |
| 2009 | 6 | 5 |
| 2010 | 3 | 8 |
| 2011 | 3 | 1 |
| 2012 | 3 | 4 |
| 2013 | 6 | 8 |
| 2014 | 5 | 6 |
| 2015 | 5 | 4 |
| 2016 | 6 | 8 |
| 2017 | 4 | 12 |
| 2018 | 9 | 11 |
| 2019 | 8 | 9 |
| 2020 | 11 | 17 |
| 2021 | 6 | 6 |
| 2022 | 10 | 9 |
| 2023 | 13 | 14 |
| 2024 | 8 | 10 |
| 2025 | 5 | 0 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air spring23 Jun 2026US 12,661,946 B2ContiTech AG
- Sleeve for air spring for vehicle and air spring including the same16 Jun 2026US 12,654,503 B2Iljin Co., Ltd.
- Methods of manufacturing gas spring end member assemblies and gas spring assemblies including same12 May 2026US 12,624,738 B2Firestone Industrial Products Company, LLC
- Synthetic elastomeric air spring without reinforcing fibers17 Mar 2026US 12,576,680 B2ILJIN USA Corporation
- Retaining ring, arrangement and method for installing the retaining ring27 Jan 2026US 12,533,917 B2Vibracoustic SE
- End member assemblies as well as gas spring assemblies including same20 Aug 2026US 2026/0243325 A1Firestone Industrial Products Company, LLC
- Air spring for vehicle13 Aug 2026US 2026/0235182 A1Iljin Co., Ltd.
- Gas Spring End Member Assemblies as well as Gas Spring Assemblies and Methods of Manufacture Including Same13 Aug 2026US 2026/0235184 A1Firestone Industrial Products Company, LLC
- End Member Assemblies and Gas Spring Assemblies Including Same16 Jul 2026US 2026/0201935 A1Firestone Industrial Products Company, LLC
- Gas Spring and Gas Damper Assemblies with External Mounting Member and Suspension System Including Same30 Apr 2026US 2026/0117836 A1Firestone Industrial Products Company, LLC
Most cited
By later US patents
- Suspension and leveling system for a vehicle83US 4,733,876 A1988
- Snap mounted attachment device66US 5,342,139 ABridgestone/Firestone, Inc. · 1994
- Air spring system having an integral height sensor53US 5,707,045 ABridgestone/Firestone, Inc. · 1998
- Automotive vehicle suspension52US 4,506,910 AGranning Suspensions, Inc. · 1985
- Beadless air spring45US 4,787,606 AThe Firestone Tire & Rubber Company · 1988