B23K 37/0536
For maintaining flanges on tubes
Official title: for maintaining flanges on tubes
B23K37/0536 (For maintaining flanges on tubes) appears on 39 US grants and 33 published applications in this corpus.
Search patents in B23K- Granted patents
- 39
- Published applications
- 33
- Assignees
- 22
- Inventors
- 100
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 1 | 3 |
| 2015 | 4 | 0 |
| 2016 | 1 | 1 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 3 |
| 2023 | 4 | 2 |
| 2024 | 2 | 5 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flange fitting for tubular structures9 Jun 2026US 12,649,205 B2Keystone Tower Systems, Inc.
- Method for producing welded connections and an auxiliary device24 Mar 2026US 12,583,044 B2GEA TDS GmbH
- Method and apparatus for precision manufacturing of moment connection assemblies16 Dec 2025US 12,496,664 B2ConXtech, Inc.
- Weld root gap management apparatus27 May 2025US 12,311,479 B2Saudi Arabian Oil Company
- Flange leveling system for supporting and aligning a flange and related method20 Feb 2024US 11,906,084 B2
- Flange fitting for tubular structures9 Jan 2025US 2025/0010411 A1Keystone Tower Systems, Inc.
- Method of making a weld connection for a fluid line, method of disconnecting it, welded fluid line connection, and mounting tool3 Oct 2024US 2024/0326180 A1
- Weld root gap management apparatus3 Oct 2024US 2024/0326181 A1Saudi Arabian Oil Company
- Special tooling and method for electron beam welding of cavity body and beam tube of superconducting niobium cavity11 Jul 2024US 2024/0227059 A9Huainan New Energy Research Center
- Special tooling and method for electron beam welding of cavity body and beam tube of superconducting niobium cavity25 Apr 2024US 2024/0131612 A1Huainan New Energy Research Center
Most cited
By later US patents
- Flange alignment tool and method66US 5,094,435 ACogsdill Tool Products, Inc. · 1992
- Fixture45US 6,357,735 B22002
- Plasma arc pipe cutting apparatus38US 5,685,996 A1997
- Pipe and flange alignment tool12US 4,701,989 A1987
- Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor12US 5,498,849 AHitachi, Ltd. · 1996