F16L 37/02
In which the connection is maintained only by friction of the parts
Official title: in which the connection is maintained only by friction of the parts being joined (F16L37/22 takes precedence)
F16L37/02 (In which the connection is maintained only by friction of the parts) appears on 276 US grants and 214 published applications in this corpus.
Search patents in F16L- Granted patents
- 276
- Published applications
- 214
- Assignees
- 213
- Inventors
- 554
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 12 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 7 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 11 |
| 2006 | 4 | 5 |
| 2007 | 2 | 3 |
| 2008 | 2 | 8 |
| 2009 | 7 | 9 |
| 2010 | 1 | 7 |
| 2011 | 4 | 7 |
| 2012 | 4 | 1 |
| 2013 | 3 | 6 |
| 2014 | 3 | 11 |
| 2015 | 7 | 11 |
| 2016 | 9 | 17 |
| 2017 | 9 | 14 |
| 2018 | 5 | 7 |
| 2019 | 16 | 11 |
| 2020 | 15 | 19 |
| 2021 | 15 | 12 |
| 2022 | 9 | 11 |
| 2023 | 9 | 8 |
| 2024 | 12 | 9 |
| 2025 | 10 | 9 |
| 2026 | 9 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Press fitting25 Aug 2026US 12,716,533 B2Reliance Worldwide Corporation
- High pressure converter hose, high pressure connector assembly and methods of use2 Jun 2026US 12,644,544 B1Drug Careers Inc.
- Quick connect mechanism for mounting of medical instruments14 Apr 2026US 12,601,378 B2
- Sealable drain pipe coupling14 Apr 2026US 12,601,433 B1
- Continuous pumping operations using decoupled pump maintenance24 Mar 2026US 12,584,395 B2Halliburton Energy Services.Inc.
- Torsional connector coupling assembly23 Jul 2026US 2026/0210473 A1CareFusion 303, Inc.
- Continuous pumping operations using decoupled pump maintenance2 Jul 2026US 2026/0185432 A1Halliburton Energy Services.Inc.
- Pipe Joint2 Jul 2026US 2026/0185640 A1Sanoh Industrial Co., Ltd.
- Quick connector for ultra-low temperature vacuum pipes4 Jun 2026US 2026/0153174 A1ATOZ Co., Ltd.
- Valve connection adapter and valve unit21 May 2026US 2026/0139783 A1Buerkert Werke GmbH
Most cited
By later US patents
- Fluid connectors235US 4,022,205 A1977
- Introducer valve for a catheter arrangement194US 4,978,341 ASchneider (Europe) A. G. · 1990
- Quick disconnect tube coupling140US 4,580,816 AE. R. Squibb & Sons, Inc. · 1986
- Quick coupling pipe connecting structure with body-tapered sleeve138US 5,131,632 A1992
- Fluid connectors86US 4,030,494 A1977