F16J 15/52
By means of sealing bellows or diaphragms
Official title: by means of sealing bellows or diaphragms (connection of valves to inflatable elastic bodies B60C29/00)
F16J15/52 (By means of sealing bellows or diaphragms) appears on 312 US grants and 236 published applications in this corpus.
Search patents in F16J- Granted patents
- 312
- Published applications
- 236
- Assignees
- 238
- Inventors
- 638
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 14 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 14 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 0 |
| 2008 | 3 | 4 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 4 |
| 2012 | 2 | 10 |
| 2013 | 3 | 7 |
| 2014 | 9 | 14 |
| 2015 | 9 | 22 |
| 2016 | 8 | 14 |
| 2017 | 14 | 16 |
| 2018 | 12 | 23 |
| 2019 | 19 | 17 |
| 2020 | 14 | 18 |
| 2021 | 9 | 16 |
| 2022 | 16 | 15 |
| 2023 | 13 | 13 |
| 2024 | 15 | 13 |
| 2025 | 16 | 8 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flexible boot for constant velocity universal joint and constant velocity universal joint11 Aug 2026US 12,704,153 B2Keeper Corporation
- Method for fixing boot to constant velocity universal joint2 Jun 2026US 12,644,492 B2Ntn Corporation
- Steering dust seal and sealing device17 Mar 2026US 12,578,018 B2Nok Corporation
- Electric actuator and vehicle drum brake including the same24 Feb 2026US 12,559,080 B2Hitachi Astemo, Ltd.
- Boot27 Jan 2026US 12,535,135 B2Hi-Lex Corporation
- Bellows for Separating Two Spaces and a Machining Apparatus24 Sep 2026US 2026/0284820 A1vhf camfacture Aktiengesellschaft
- Gripping device for combined container alignment and transport device3 Sep 2026US 2026/0257384 A1Krones AG
- Vibration test coupling device and four-integrated vibration test system21 May 2026US 2026/0140010 A1Suzhou Dongling Vibration Test Instrument Co., Ltd.
- Collapsible dust or contaminant mitigation solution for linear or axial mechanisms7 May 2026US 2026/0126114 A1
- Multi-axis compensator and vacuum arrangement5 Mar 2026US 2026/0063233 A1Von Ardenne Asset GmbH & Co. KG
Most cited
By later US patents
- Pressure-compensated diaphragm seals for actuators, with self-equalization60US 4,295,653 AZero-Seal, Inc. · 1981
- Dust boot for a disc-brake actuating cylinder-and-piston unit39US 4,537,289 AInternational Telephone and Telegraph Corporation · 1985
- Self-aligning bushing35US 4,109,976 ARoller Bearing Company of America, Inc. · 1978
- Frictionless hydraulic damper and damper-snubber34US 4,768,627 ATayco Developments, Inc. · 1988
- Ball joint seals33US 4,121,844 AMusashieimitsukogyo Kabushikikaisha · 1978