F16L 41/082
Non-disconnectable joints
Official title: {Non-disconnectable joints, e.g. soldered, adhesive or caulked joints}
F16L41/082 (Non-disconnectable joints) appears on 231 US grants and 177 published applications in this corpus.
Search patents in F16L- Granted patents
- 231
- Published applications
- 177
- Assignees
- 188
- Inventors
- 459
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 7 |
| 2003 | 3 | 6 |
| 2004 | 5 | 8 |
| 2005 | 5 | 9 |
| 2006 | 5 | 16 |
| 2007 | 4 | 5 |
| 2008 | 5 | 5 |
| 2009 | 1 | 3 |
| 2010 | 5 | 4 |
| 2011 | 2 | 5 |
| 2012 | 1 | 1 |
| 2013 | 4 | 5 |
| 2014 | 3 | 8 |
| 2015 | 4 | 10 |
| 2016 | 1 | 6 |
| 2017 | 9 | 8 |
| 2018 | 9 | 12 |
| 2019 | 3 | 5 |
| 2020 | 11 | 7 |
| 2021 | 6 | 9 |
| 2022 | 3 | 10 |
| 2023 | 5 | 10 |
| 2024 | 12 | 8 |
| 2025 | 6 | 5 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing a polymer-improved pipe element19 May 2026US 12,631,283 B2Minimax Viking Patent Management GmbH
- Connecting pipe assembly and heat exchanger19 May 2026US 12,631,408 B2Danfoss A/S
- Weld cap and plug welds for fluid delivery systems17 Mar 2026US 12,577,966 B2Compart Systems Pte. Ltd.
- Systems and methods for supporting pipe27 Jan 2026US 12,535,168 B2
- Device and method for restoring the tube-to-tube sheet weld joints in a shell-and-tube equipment13 Jan 2026US 12,523,435 B2Alfa Laval Olmi S.P.A
- Weld cap and plug welds for fluid delivery systems8 Oct 2026US 2026/0309168 A1Compart Systems Pte. Ltd.
- Establishment of a connection between a pipe and a block, and block having a pipe1 Oct 2026US 2026/0298377 A1Siemens Energy Global GmbH & Co. KG
- Branching pipe and method for manufacturing branching pipe3 Sep 2026US 2026/0258895 A1Jgc Corporation
- Liquid distributor branch pipe structure and liquid distributor23 Jul 2026US 2026/0210459 A1Hanshan Ruike Metal Co., Ltd.
- Systems and methods for supporting pipe4 Jun 2026US 2026/0153181 A1
Most cited
By later US patents
- Tube repairs113US 4,205,422 AYorkshire Imperial Metals Limited · 1980
- Method of joining fluted tube joint72US 5,554,244 AReynolds Metals Company · 1996
- Solderless filler neck joint51US 5,466,016 AGeneral Motors Corporation · 1995
- Joint structure for branch connectors in common rails43US 5,957,507 AUsui Kokusai Sangyo Kaisha Limited · 1999
- Sealed knock-down duct collar42US 5,393,106 ACASCO Manufacturing · 1995