F16J 3/00
Diaphragms
Official title: Diaphragms; Bellows; Bellows pistons (connection of valves to inflatable elastic bodies B60C29/00; bellows or the like used in instruments G12B1/04; diaphragms for electromechanical transducers H04R7/00)
F16J3/00 (Diaphragms) appears on 970 US grants and 734 published applications in this corpus.
Search patents in F16J- Granted patents
- 970
- Published applications
- 734
- Assignees
- 546
- Inventors
- 1,835
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 10 | 0 |
| 1979 | 1 | 0 |
| 1980 | 11 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 15 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 17 | 0 |
| 1988 | 24 | 0 |
| 1989 | 23 | 0 |
| 1990 | 15 | 0 |
| 1991 | 25 | 0 |
| 1992 | 18 | 0 |
| 1993 | 23 | 0 |
| 1994 | 22 | 0 |
| 1995 | 13 | 0 |
| 1996 | 14 | 0 |
| 1997 | 11 | 0 |
| 1998 | 16 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 28 | 2 |
| 2002 | 22 | 22 |
| 2003 | 16 | 31 |
| 2004 | 23 | 23 |
| 2005 | 22 | 28 |
| 2006 | 13 | 30 |
| 2007 | 12 | 28 |
| 2008 | 14 | 24 |
| 2009 | 16 | 35 |
| 2010 | 18 | 27 |
| 2011 | 15 | 20 |
| 2012 | 23 | 21 |
| 2013 | 20 | 20 |
| 2014 | 12 | 24 |
| 2015 | 21 | 36 |
| 2016 | 22 | 30 |
| 2017 | 31 | 36 |
| 2018 | 31 | 49 |
| 2019 | 46 | 44 |
| 2020 | 38 | 45 |
| 2021 | 38 | 38 |
| 2022 | 36 | 37 |
| 2023 | 31 | 24 |
| 2024 | 24 | 32 |
| 2025 | 18 | 13 |
| 2026 | 20 | 15 |
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.
- Diaphragm and chemical flow control device16 Jun 2026US 12,655,834 B2Ckd 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.
- Rotation support device, and support mechanism position adjustment mechanism for shaft support device25 Jun 2026US 2026/0177137 A1Nsk Ltd.
Most cited
By later US patents
- Tentacle-like manipulators with adjustable tension lines207US 5,317,952 AKinetic Sciences Inc. · 1994
- Pump diaphragm169US 5,349,896 AW. L. Gore & Associates, Inc. · 1994
- Resin CVJ boot with distinct large and small crest portions94US 5,722,669 AKeeper Corporation · 1998
- Dense polytetrafluoroethylene articles85US 5,374,473 AW. L. Gore & Associates, Inc. · 1994
- Composite diaphragm for diaphragm pumps84US 6,877,419 B2ULMAN Dichtungstechnik GmbH · 2005