F16L 13/12
Non-disconnectable pipe joints: with a seal made of lead, caulked packing, or
Official title: with a seal made of lead, caulked packing, or the like
F16L13/12 (Non-disconnectable pipe joints: with a seal made of lead, caulked packing, or) appears on 11 US grants and 11 published applications in this corpus.
Search patents in F16L- Granted patents
- 11
- Published applications
- 11
- Assignees
- 10
- Inventors
- 28
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufacturing method of tube-attached coupling structure and tube-attached coupling structure30 Jun 2026US 12,668,027 B2Taisei Kogyo Co., Ltd.
- Hydraulic crimp pressure feedback methods25 Feb 2025US 12,233,448 B2ContiTech USA, Inc.
- Piping component and sealing element for insertion therein13 Aug 2024US 12,060,954 B2NIBCO Inc.
- Hydraulic crimp pressure feedback methods30 May 2023US 11,660,655 B2ContiTech USA, Inc.
- Device for guiding liquid and production method13 Oct 2020US 10,801,648 B2Aco Severin Ahlmann GmbH & Co. Kommanditgesellschaft
- Piping component and sealing element for insertion therein31 Oct 2024US 2024/0360924 A1NIBCO Inc.
- Manufacturing method of tube-attached coupling structure and tube-attached coupling structure31 Oct 2024US 2024/0360925 A1Taisei Kogyo Co., Ltd.
- Hydraulic crimp pressure feedback methods17 Aug 2023US 2023/0256497 A1ContiTech USA, Inc.
- Piping component and sealing element for insertion therein12 Aug 2021US 2021/0247003 A1NIBCO Inc.
- Hydraulic crimp pressure feedback methods16 Apr 2020US 2020/0114413 A1ContiTech USA, Inc.
Most cited
By later US patents
- Method of manufacturing double pipe6US 7,886,420 B2DENSO Airs Corporation · 2011
- Heat exchanger pipe joint6US 7,926,853 B2Denso Corporation · 2011
- Apparatus for sealing flange joints3US 4,230,348 ATeam, Inc. · 1980
- Hydraulic crimp pressure feedback methods1US 11,660,655 B2ContiTech USA, Inc. · 2023
- Piping component and sealing element for insertion therein1US 12,060,954 B2NIBCO Inc. · 2024