F16L 37/22
In which the connection is maintained by means of balls, rollers or
Official title: in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
F16L37/22 (In which the connection is maintained by means of balls, rollers or) appears on 639 US grants and 430 published applications in this corpus.
Search patents in F16L- Granted patents
- 639
- Published applications
- 430
- Assignees
- 302
- Inventors
- 835
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 11 | 0 |
| 1978 | 14 | 0 |
| 1979 | 4 | 0 |
| 1980 | 13 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 11 | 0 |
| 1986 | 17 | 0 |
| 1987 | 13 | 0 |
| 1988 | 16 | 0 |
| 1989 | 18 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 14 | 0 |
| 1993 | 12 | 0 |
| 1994 | 14 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 15 | 0 |
| 2000 | 15 | 0 |
| 2001 | 6 | 2 |
| 2002 | 11 | 11 |
| 2003 | 13 | 7 |
| 2004 | 11 | 13 |
| 2005 | 12 | 14 |
| 2006 | 9 | 6 |
| 2007 | 2 | 11 |
| 2008 | 4 | 16 |
| 2009 | 7 | 17 |
| 2010 | 13 | 13 |
| 2011 | 13 | 5 |
| 2012 | 6 | 12 |
| 2013 | 10 | 17 |
| 2014 | 7 | 24 |
| 2015 | 15 | 18 |
| 2016 | 17 | 21 |
| 2017 | 17 | 28 |
| 2018 | 19 | 23 |
| 2019 | 23 | 36 |
| 2020 | 31 | 19 |
| 2021 | 28 | 21 |
| 2022 | 18 | 20 |
| 2023 | 11 | 21 |
| 2024 | 19 | 18 |
| 2025 | 27 | 17 |
| 2026 | 14 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stainless-steel braided pipe assembly6 Oct 2026US 12,753,862 B2Taizhou Kloe Dafeng Plumbing Co., Ltd.
- Fluid connector and female-end valve stem, female-end structure, and male-end piston thereof28 Jul 2026US 12,692,963 B2Shenzhen Envicool Smart Connection Technology Co., Ltd.
- Rotatable water pipe joint and assembly method thereof9 Jun 2026US 12,650,187 B2Ningbo Gaohe Baichuang Intelligent Technology Co., LTD.
- Quick connector structure9 Jun 2026US 12,650,194 B2Shenzhen Liquid Cooling Technology Co. Ltd.
- Automatic connector for supplying utility2 Jun 2026US 12,644,550 B2Unitest Inc.
- Automatic locking quick release mechanisms1 Oct 2026US 2026/0298383 A1TripleEight LLC
- Connecting device for connecting a first pipe end to a second pipe end27 Aug 2026US 2026/0251252 A1U-CONSULTING GmbH
- Coupling part for a hydraulic coupling16 Jul 2026US 2026/0201997 A1Walter Stauffenberg GmbH & Co. KG
- Service tools and systems for processing fluid through a fluid access port9 Jul 2026US 2026/0194274 A1FasTest, Inc.
- Axis push type waterproof connector set and female waterproof connector thereof28 May 2026US 2026/0146696 A1Aces Electronics Co., Ltd.
Most cited
By later US patents
- Quick coupling connector for connecting flexible liquid conduits170US 4,660,803 ASuncast Corporation · 1987
- Connector means providing fluid-tight but relatively rotatable joint160US 4,752,089 APuritan-Bennett Corporation · 1988
- Connector for a cable, hose or the like125US 4,153,320 APlessey Handel und Investments AG · 1979
- Double shut-off fluid dispenser element120US 4,700,744 A1987
- Clean air connector118US 4,949,745 AAir-Lock, Incorporated · 1990