F16L 23/026
By welding
Official title: by welding
F16L23/026 (By welding) appears on 38 US grants and 42 published applications in this corpus.
Search patents in F16L- Granted patents
- 38
- Published applications
- 42
- Assignees
- 30
- Inventors
- 95
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 1 |
| 2011 | 3 | 3 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 7 |
| 2015 | 0 | 3 |
| 2016 | 2 | 1 |
| 2017 | 2 | 4 |
| 2018 | 1 | 3 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 5 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Connector system for use in ultra-high vacuum systems2 Jun 2026US 12,644,557 B2Atlas Bimetals Labs, Inc.
- Corrosion-free welded connection for reinforced thermoplastic pipes (RTP)15 Apr 2025US 12,276,358 B2Saudi Arabian Oil Company
- Flange, and pipe and flange structure25 Feb 2025US 12,233,689 B2Hanon Systems
- Method of manufacturing connection member9 Apr 2024US 11,951,521 B2Aisin Takaoka Co., Ltd.
- Flanged joint and method of fluidly connecting two components20 Feb 2024US 11,906,087 B2APPLIED Materials.Inc.
- Corrosion-free welded connection for reinforced thermoplastic pipes (rtp)8 Aug 2024US 2024/0263724 A1Saudi Arabian Oil Company
- Connector system for use in ultra-high vacuum systems15 Feb 2024US 2024/0052965 A1Atlas Bimetals Labs, Inc.
- Flange, pipe, and flange structure21 Sep 2023US 2023/0294487 A1Hanon Systems
- Device for connecting a gas-carrying pipe element and method for connecting a gas-carrying pipe element24 Aug 2023US 2023/0265950 A1
- Flanged joint and method of fluidly connecting two components24 Mar 2022US 2022/0090713 A1APPLIED Materials.Inc.
Most cited
By later US patents
- Pipe union with both pre-load dependent and independent seals35US 4,288,105 AResistoflex Corporation · 1981
- Butt connection between two air duct sections made sheet of metal27US 5,133,580 AMETU-System Meinig KG · 1992
- Pipe joints15US 4,281,859 ALe Carbone (Great Britain) Limited · 1981
- Pipe and flange assembly14US 4,832,383 A1989
- Pipe joints13US 4,127,287 ALe Carbone (Great Britain) Limited · 1978