F16L 37/00
Couplings of the quick-acting type
Official title: Couplings of the quick-acting type ({devices for use where pipes pass through walls by means of a joint of the quick acting type F16L5/027;} radially-binding sleeves F16L17/04, F16L21/06; connecting hoses to rigid members F16L33/00)
F16L37/00 (Couplings of the quick-acting type) appears on 7,326 US grants and 5,590 published applications in this corpus.
Search patents in F16L- Granted patents
- 7,326
- Published applications
- 5,590
- Assignees
- 3,016
- Inventors
- 10,168
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 58 | 0 |
| 1977 | 83 | 0 |
| 1978 | 99 | 0 |
| 1979 | 51 | 0 |
| 1980 | 84 | 0 |
| 1981 | 71 | 0 |
| 1982 | 52 | 0 |
| 1983 | 51 | 0 |
| 1984 | 79 | 0 |
| 1985 | 83 | 0 |
| 1986 | 123 | 0 |
| 1987 | 137 | 0 |
| 1988 | 112 | 0 |
| 1989 | 137 | 0 |
| 1990 | 136 | 0 |
| 1991 | 126 | 0 |
| 1992 | 156 | 0 |
| 1993 | 104 | 0 |
| 1994 | 153 | 0 |
| 1995 | 127 | 0 |
| 1996 | 115 | 0 |
| 1997 | 100 | 0 |
| 1998 | 144 | 0 |
| 1999 | 163 | 0 |
| 2000 | 158 | 0 |
| 2001 | 137 | 33 |
| 2002 | 139 | 111 |
| 2003 | 115 | 144 |
| 2004 | 102 | 179 |
| 2005 | 122 | 204 |
| 2006 | 116 | 165 |
| 2007 | 73 | 155 |
| 2008 | 111 | 202 |
| 2009 | 123 | 178 |
| 2010 | 137 | 206 |
| 2011 | 124 | 187 |
| 2012 | 129 | 182 |
| 2013 | 143 | 221 |
| 2014 | 140 | 228 |
| 2015 | 180 | 262 |
| 2016 | 186 | 252 |
| 2017 | 243 | 263 |
| 2018 | 224 | 291 |
| 2019 | 258 | 282 |
| 2020 | 268 | 272 |
| 2021 | 263 | 278 |
| 2022 | 236 | 254 |
| 2023 | 262 | 269 |
| 2024 | 301 | 300 |
| 2025 | 279 | 244 |
| 2026 | 213 | 228 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16L 37/08In which the connection between abutting or axially overlapping ends is maintained4,445
- F16L 37/28Couplings of the quick-acting type: with fluid cut-off means1,869
- F16L 37/22In which the connection is maintained by means of balls, rollers or639
- F16L 37/24In which the connection is made by inserting one member axially into595
- F16L 37/56Couplings of the quick-acting type: for double-walled or multi-channel pipes or pipe403
- F16L 37/002Which can be controlled at a distance292
- F16L 37/02In which the connection is maintained only by friction of the parts276
- F16L 37/008Couplings of the quick-acting type: for branching pipes216
All 16 subgroupsShow fewer
- F16L 37/50Adjustable186
- F16L 37/62Pneumatically or hydraulically actuated182
- F16L 37/26In which the connection is made by transversely moving the parts together126
- F16L 37/004Couplings of the quick-acting type: using magnets91
- F16L 37/48Couplings of the quick-acting type: for fastening a pipe on the end46
- F16L 37/60Couplings of the quick-acting type: with plug and fixed wall housing36
- F16L 37/58The extremities of the two halves of the joint being pressed against25
- F16L 37/006Plug-cocks5
Recent patents
- Stainless-steel braided pipe assembly6 Oct 2026US 12,753,862 B2Taizhou Kloe Dafeng Plumbing Co., Ltd.
- Quick safety connector6 Oct 2026US 12,753,868 B1Jeng Sheng Co., Ltd.
- Liquid coupler6 Oct 2026US 12,753,869 B2Cooler Master Technology Inc.
- Connector for piping29 Sep 2026US 12,747,814 B2Hanon Systems
- Fluid couplings29 Sep 2026US 12,747,815 B2Colder Products Company
- Universal threadless connection8 Oct 2026US 2026/0309258 A1Deere & Company
- Cam-assisted connector installation8 Oct 2026US 2026/0309259 A1Midea Group Co., Ltd.
- Floating connector mechanism8 Oct 2026US 2026/0309260 A1Mellanox Technologies, Ltd.
- Quick-release hose coupling for at least one hose8 Oct 2026US 2026/0309261 A1GEA Farm Technologies GmbH
- Quick connect for a spray system8 Oct 2026US 2026/0309262 A1Graco Minnesota Inc.
Most cited
By later US patents
- Bayonet connector for surgical handpiece1,578US 5,466,020 AValleylab, Inc. · 1995
- Articulated ball connector for use with pipeline1,368US 4,180,285 A1979
- Plug-type connection arrangement for a hose and a pipe1,211US 7,562,910 B2Norma Germany GmbH · 2009
- Coupling part for a fluid coupling device1,207US 7,021,669 B1Gardena Manufacturing GmbH · 2006
- Valve for permanent venous cannulae or for catheter insertion means569US 4,917,668 AB. Braun Melsungen AG · 1990