F16L 23/16
Flanged joints: characterised by the sealing means
Official title: characterised by the sealing means
F16L23/16 (Flanged joints: characterised by the sealing means) appears on 907 US grants and 855 published applications in this corpus.
Search patents in F16L- Granted patents
- 907
- Published applications
- 855
- Assignees
- 608
- Inventors
- 1,768
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 10 | 0 |
| 1979 | 12 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 17 | 0 |
| 1985 | 7 | 0 |
| 1986 | 12 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 12 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 10 | 0 |
| 2001 | 20 | 4 |
| 2002 | 12 | 13 |
| 2003 | 16 | 14 |
| 2004 | 11 | 29 |
| 2005 | 19 | 26 |
| 2006 | 10 | 18 |
| 2007 | 7 | 28 |
| 2008 | 13 | 30 |
| 2009 | 15 | 32 |
| 2010 | 21 | 26 |
| 2011 | 11 | 37 |
| 2012 | 29 | 21 |
| 2013 | 17 | 28 |
| 2014 | 16 | 38 |
| 2015 | 30 | 49 |
| 2016 | 23 | 42 |
| 2017 | 37 | 37 |
| 2018 | 29 | 50 |
| 2019 | 29 | 50 |
| 2020 | 44 | 46 |
| 2021 | 35 | 43 |
| 2022 | 46 | 42 |
| 2023 | 44 | 43 |
| 2024 | 51 | 37 |
| 2025 | 34 | 41 |
| 2026 | 27 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Joint structure6 Oct 2026US 12,753,872 B2Fujikin Incorporated
- Sealing member for repairing a pipeline and method of use15 Sep 2026US 12,736,157 B2Oceaneering International, Inc.
- Method for sealing a junction having a contact surface and a counter-contact surface of an element of a compartment of a gas-insulated substation, and resulting junction15 Sep 2026US 12,738,720 B2Rte Reseau De Transport D'Electricite
- Coupling permitting longitudinal axis rotation of pipe elements1 Sep 2026US 12,723,687 B2Victaulic Company
- Dielectric ring gaskets and related methods and assemblies for detecting internal current transfer in a pipeline25 Aug 2026US 12,716,530 B2Focus Corrosion Inc.
- A hazardous fluid isolation system8 Oct 2026US 2026/0309284 A1Fabrum IP Holdings Limited
- Seal for a tri-clamp connection, and tri-clamp connection having such a seal17 Sep 2026US 2026/0276119 A1U-CONSULTING GmbH
- Sealing Device and Method for the Production Thereof and Pipeline System17 Sep 2026US 2026/0276120 A1Glatt GmbH
- Gasket with electrical isolating coatings3 Sep 2026US 2026/0258867 A1GPT Industries, LLC
- Gas supply system and semiconductor manufacturing apparatus3 Sep 2026US 2026/0258913 A1Tokyo Electron Limited
Most cited
By later US patents
- Deformable mechanical pipe coupling117US 7,086,131 B2Victaulic Company · 2006
- Mechanical pipe coupling having spacers113US 7,401,819 B2Victaulic Company · 2008
- Quick-connect coupling for thin-walled pipes112US 4,471,979 AVictaulic Company of Canada Limited · 1984
- Deformable mechanical pipe coupling90US 7,341,287 B2Victaulic Company · 2008
- Sealed joint and gasket therefor81US 3,930,656 AParker-Hannifin Corporation · 1976