F16J 3/041
Non-metallic bellows
Official title: {Non-metallic bellows}
F16J3/041 (Non-metallic bellows) appears on 516 US grants and 440 published applications in this corpus.
Search patents in F16J- Granted patents
- 516
- Published applications
- 440
- Assignees
- 301
- Inventors
- 1,012
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 15 | 0 |
| 1992 | 11 | 0 |
| 1993 | 8 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 20 | 1 |
| 2002 | 15 | 18 |
| 2003 | 13 | 24 |
| 2004 | 20 | 18 |
| 2005 | 15 | 22 |
| 2006 | 13 | 25 |
| 2007 | 10 | 23 |
| 2008 | 11 | 17 |
| 2009 | 11 | 23 |
| 2010 | 15 | 23 |
| 2011 | 11 | 13 |
| 2012 | 14 | 10 |
| 2013 | 11 | 10 |
| 2014 | 6 | 13 |
| 2015 | 11 | 19 |
| 2016 | 12 | 19 |
| 2017 | 14 | 16 |
| 2018 | 14 | 15 |
| 2019 | 20 | 21 |
| 2020 | 14 | 26 |
| 2021 | 16 | 23 |
| 2022 | 24 | 20 |
| 2023 | 15 | 7 |
| 2024 | 12 | 20 |
| 2025 | 8 | 6 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Steering bellows15 Sep 2026US 12,736,091 B2Trelleborg Carquefou
- Device for assembling boot and sealing ring of constant velocity joint of vehicle11 Aug 2026US 12,703,052 B2Hansae Mobility Co., Ltd.
- Flexible boot for constant velocity universal joint and constant velocity universal joint11 Aug 2026US 12,704,153 B2Keeper Corporation
- Mitigation sleeve28 Jul 2026US 12,692,940 B1Lennox Industries Inc.
- Method for fixing boot to constant velocity universal joint2 Jun 2026US 12,644,492 B2Ntn Corporation
- Mitigation Sleeve27 Aug 2026US 2026/0251218 A1Lennox Industries Inc.
- Hybrid bellows for a height adjustment device of a vehicle20 Aug 2026US 2026/0241766 A1Vibracoustic SE
- Sealing device6 Aug 2026US 2026/0231364 A1Nok Corporation
- Mitigation Sleeve30 Jul 2026US 2026/0218792 A1Lennox Industries Inc.
- Brake device with an elastic protection device and method for mounting a protection device18 Jun 2026US 2026/0167165 A1Continental Automotive Technologies GmbH
Most cited
By later US patents
- Resin CVJ boot with distinct large and small crest portions94US 5,722,669 AKeeper Corporation · 1998
- Weather seal device for conduit extending through ridged surface52US 4,664,390 AJohn Deks Australia Pty., Ltd. · 1987
- Covering for rotating flexible axle joints46US 4,558,869 ANiwot Corporation · 1985
- Venting arrangement for stroking universal joint38US 4,224,808 AGeneral Motors Corporation · 1980
- Bellows made of thermoplastic elastomer37US 5,236,204 A1993