F16L 13/0218
Having an inner or outer ring
Official title: {having an inner or outer ring (F16L13/0245 and F16L13/0254 take precedence)}
F16L13/0218 (Having an inner or outer ring) appears on 67 US grants and 78 published applications in this corpus.
Search patents in F16L- Granted patents
- 67
- Published applications
- 78
- Assignees
- 73
- Inventors
- 173
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 4 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 1 |
| 2010 | 1 | 7 |
| 2011 | 1 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 3 | 2 |
| 2017 | 3 | 3 |
| 2018 | 1 | 5 |
| 2019 | 3 | 5 |
| 2020 | 6 | 5 |
| 2021 | 3 | 4 |
| 2022 | 4 | 4 |
| 2023 | 6 | 3 |
| 2024 | 1 | 6 |
| 2025 | 7 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lined pipe and joints thereof4 Aug 2026US 12,698,850 B2
- Insulated welded joint for pipe-in-pipe systems5 May 2026US 12,618,505 B2XGS Energy, Inc.
- Repair joint device and method of assembling the same17 Feb 2026US 12,553,563 B2The Victaulic Company of Japan Limited
- Method of making a fluid conduit30 Dec 2025US 12,508,638 B2Subsea 7 Limited
- Systems and methods for forming a joint between a pipe and a hose19 Aug 2025US 12,392,432 B2GE Infrastructure Technology LLC
- 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
- Pipeline Sealing Assembly with Pipeline Sleeve and Pipeline Terminals and Method of Making Same5 Mar 2026US 2026/0063225 A1Lps IP, LLC
- Lined pipe and joints thereof5 Jun 2025US 2025/0180143 A1
- Member, method of manufacturing the member, and apparatus22 May 2025US 2025/0164050 A1Canon Kabushiki Kaisha
- Seismic pipe joint24 Apr 2025US 2025/0129879 A1Northwest Pipe Company
Most cited
By later US patents
- Cylindrical corrosion barrier for pipe connections41US 5,566,984 A1996
- Cylindrical corrosion barrier for pipe connections25US 5,547,228 A1996
- Sterile connector systems25US 7,938,454 B2HyClone Laboratories, Inc. · 2011
- Partially consumable spacer chill rings and their use in welding pipe joints16US 4,611,830 A1986
- Fluid system and method of manufacture via friction welding11US 10,850,451 B2Lenlok Holdings, LLC · 2020