F16J 3/02
Diaphragms
F16J3/02 (Diaphragms) appears on 231 US grants and 157 published applications in this corpus.
Search patents in F16J- Granted patents
- 231
- Published applications
- 157
- Assignees
- 155
- Inventors
- 460
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 4 |
| 2004 | 3 | 2 |
| 2005 | 6 | 6 |
| 2006 | 0 | 3 |
| 2007 | 1 | 3 |
| 2008 | 2 | 5 |
| 2009 | 2 | 3 |
| 2010 | 1 | 5 |
| 2011 | 2 | 5 |
| 2012 | 6 | 2 |
| 2013 | 4 | 8 |
| 2014 | 2 | 6 |
| 2015 | 5 | 12 |
| 2016 | 5 | 5 |
| 2017 | 7 | 7 |
| 2018 | 9 | 12 |
| 2019 | 10 | 11 |
| 2020 | 12 | 12 |
| 2021 | 13 | 11 |
| 2022 | 7 | 11 |
| 2023 | 8 | 9 |
| 2024 | 7 | 4 |
| 2025 | 4 | 1 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diaphragm and chemical flow control device16 Jun 2026US 12,655,834 B2Ckd Corporation
- Diaphragm for a fluid storage tank17 Mar 2026US 12,576,994 B2Cam Lock Limited
- Attribute-point-based timing constraint formal verification10 Mar 2026US 12,572,726 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Valve diaphragm with transponder, and method of production6 Jan 2026US 12,516,742 B2GEMÜ Gebr. Müller Apparatebau GmbH & Co. Kommanditgesellschaft
- Self-locking membrane system11 Nov 2025US 12,467,445 B2ProMinent GmbH
- Rotation support device, and support mechanism position adjustment mechanism for shaft support device25 Jun 2026US 2026/0177137 A1Nsk Ltd.
- Attribute-Point-Based Timing Constraint Formal Verification18 Jun 2026US 2026/0168581 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Diaphragm for regulating internal pressure of tank and diaphragm assembly comprising same18 Jun 2026US 2026/0169507 A1
- Sealing diaphragm and methods of manufacturing said diaphragm7 May 2026US 2026/0126036 A1Blue-White Industries, Ltd.
- Composite membrane for membrane pump5 Feb 2026US 2026/0036123 A1
Most cited
By later US patents
- Pump diaphragm169US 5,349,896 AW. L. Gore & Associates, Inc. · 1994
- Dense polytetrafluoroethylene articles85US 5,374,473 AW. L. Gore & Associates, Inc. · 1994
- Composite diaphragm for diaphragm pumps84US 6,877,419 B2ULMAN Dichtungstechnik GmbH · 2005
- Insert type member for use in a flexible type pump diaphragm83US 5,687,633 AWestinghouse Air Brake Company · 1997
- Selectively bonded pump diaphragm80US 6,145,430 AIngersoll-Rand Company · 2000