B61D 17/22
Flexible
Official title: flexible, e.g. bellows
B61D17/22 (Flexible) appears on 102 US grants and 77 published applications in this corpus.
Search patents in B61D- Granted patents
- 102
- Published applications
- 77
- Assignees
- 58
- Inventors
- 157
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 2 | 1 |
| 2009 | 3 | 2 |
| 2010 | 2 | 8 |
| 2011 | 2 | 3 |
| 2012 | 4 | 3 |
| 2013 | 4 | 1 |
| 2014 | 5 | 1 |
| 2015 | 0 | 4 |
| 2016 | 2 | 4 |
| 2017 | 2 | 2 |
| 2018 | 2 | 3 |
| 2019 | 6 | 7 |
| 2020 | 1 | 5 |
| 2021 | 3 | 4 |
| 2022 | 6 | 5 |
| 2023 | 4 | 9 |
| 2024 | 1 | 2 |
| 2025 | 4 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Convolute for a bellows for a gangway, bellows for a gangway and multi-car vehicle8 Sep 2026US 12,728,681 B2Dellner Couplers AB
- Convolute for a gangway, bellows, and gangway12 May 2026US 12,623,696 B2Dellner Couplers AB
- Treadplate for a floor of a gangway and gangway2 Dec 2025US 12,485,935 B2Dellner Couplers AB
- Cornerpiece of a convolute of a bellows of a gangway and method for producing such a cornerpiece21 Oct 2025US 12,448,012 B2Dellner Couplers AB
- Gangway with crimping element attachment for a multi-car vehicle17 Jun 2025US 12,330,457 B2Dellner Couplers AB
- Vehicle having a cross-sectionally reduced portion12 Feb 2026US 2026/0042472 A1Siemens Mobility GmbH
- Vulcanization bonding instead of seam26 Jun 2025US 2025/0206090 A1HÜBNER GmbH & Co.KG
- Gangway assembly and electrical coupler assembly for a multi-car vehicle, and multi-car vehicle with the gangway assembly or electrical coupler assembly15 May 2025US 2025/0158329 A1
- Nft roof crossbeam17 Oct 2024US 2024/0343275 A1ALSTOM Holdings
- Automatic coupling8 Aug 2024US 2024/0262397 A1HÜBNER GmbH & Co.KG
Most cited
By later US patents
- Mathematically optimized family of ultra low distortion bellow fold patterns67US 6,054,194 A2000
- Railway car47US 5,511,491 ATrinity Industries, Inc. · 1996
- Railway car46US 5,392,717 ATrinity Industries, Inc. · 1995
- Mounting arrangement and method for gangway bellows for gangways of articulated vehicles17US 5,259,323 AHubner Gummi-und Kunststoff GmbH · 1993
- Membrane system for connecting railway vehicles or the like16US 5,033,395 ACaoutchouc Manufacture et Plastiques · 1991