F16L 33/223
The sealing surfaces being pressed together by means of a member
Official title: {the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts}
F16L33/223 (The sealing surfaces being pressed together by means of a member) appears on 219 US grants and 220 published applications in this corpus.
Search patents in F16L- Granted patents
- 219
- Published applications
- 220
- Assignees
- 167
- Inventors
- 410
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 8 |
| 2005 | 5 | 7 |
| 2006 | 2 | 4 |
| 2007 | 1 | 6 |
| 2008 | 4 | 6 |
| 2009 | 1 | 2 |
| 2010 | 4 | 2 |
| 2011 | 1 | 5 |
| 2012 | 2 | 5 |
| 2013 | 3 | 7 |
| 2014 | 2 | 13 |
| 2015 | 4 | 8 |
| 2016 | 11 | 20 |
| 2017 | 6 | 9 |
| 2018 | 9 | 6 |
| 2019 | 12 | 17 |
| 2020 | 10 | 18 |
| 2021 | 15 | 11 |
| 2022 | 11 | 11 |
| 2023 | 7 | 11 |
| 2024 | 12 | 15 |
| 2025 | 12 | 13 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nonmetallic conduit fitting15 Sep 2026US 12,736,161 B1ABB Schweiz AG
- Plumbing connector8 Sep 2026US 12,729,785 B2Reliance Worldwide Corporation (UK) Limited
- Mining hose connecting device and method18 Aug 2026US 12,710,120 B2CCTEG Chongqing Research Institute Co., Ltd.
- Pipe joint2 Jun 2026US 12,644,542 B2Nippon Pillar Packing Co., Ltd.
- Hose joint26 May 2026US 12,638,114 B2Toyox Co., Ltd.
- Plumbing connector24 Sep 2026US 2026/0287102 A1Reliance Worldwide Corporation (UK) Limited
- A plumbing connector16 Jul 2026US 2026/0201991 A1Reliance Worldwide Corporation (UK) Limited
- Connect structure for semiconductor processing equipment2 Jul 2026US 2026/0188626 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Tube connector and tube with connector21 May 2026US 2026/0139773 A1Hirakawa Hewtech Corporation
- Tube connector and tube with connector21 May 2026US 2026/0139774 A1Hirakawa Hewtech Corporation
Most cited
By later US patents
- Fitting apparatus for soft tubing97US 4,500,118 AColder Products Company · 1985
- Fitting for flexible plastic pipe82US 3,980,325 A1976
- Compression fitting with tubing reinforcing insert79US 4,032,177 A1977
- Expandable garden hose76US 8,479,776 B2Blue Gentian, LLC · 2013
- Coupling apparatus69US 4,712,813 APerfection Corporation · 1987