B23K 9/0052
Welding of pipe panels
Official title: {Welding of pipe panels}
B23K9/0052 (Welding of pipe panels) appears on 28 US grants and 31 published applications in this corpus.
Search patents in B23K- Granted patents
- 28
- Published applications
- 31
- Assignees
- 16
- Inventors
- 79
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 2 | 0 |
| 1990 | 1 | 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 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 3 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 3 |
| 2018 | 0 | 2 |
| 2019 | 6 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 4 |
| 2023 | 2 | 2 |
| 2024 | 4 | 2 |
| 2025 | 3 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pipe connection assembly of heat exchanger5 May 2026US 12,618,621 B2Hanon Systems
- Welding apparatus and method9 Dec 2025US 12,491,573 B2Mitsubishi Heavy Industries, Ltd.
- Welded, laminated apparatus, methods of making, and methods of using the apparatus8 Jul 2025US 12,350,751 B2Velocys, Inc.
- Mobile hardbanding unit4 Feb 2025US 12,214,449 B2
- Gasless, mechanized, field-welding of tubular structure17 Dec 2024US 12,168,272 B2Pipeline Supply & Service, LLC
- Weld seam structure and welding process suitable for a narrow-gap water-cooled wall tube panel16 Apr 2026US 2026/0102832 A1Huaneng Power International, Inc. Shang'an Power Plant
- Mobile hardbanding unit9 May 2024US 2024/0149366 A1
- Submerged arc welded joint15 Feb 2024US 2024/0051070 A1Jfe Steel Corporation
- Rapid Sequential Circular Assembly System for Space Station8 Jun 2023US 2023/0174252 A1
- Pipe connection assembly of heat exchanger11 May 2023US 2023/0141369 A1Hanon Systems
Most cited
By later US patents
- Boiler wall tube tool13US 4,846,391 A1989
- Bolt-type boiler wall tube tool13US 4,936,500 A1990
- Method for replacing worn tubes in a gas hood10US 4,047,659 AUnited States Steel Corporation · 1977
- Panelizing machine and method for use7US 4,798,321 A1989
- Welding process, welding system, and welded article5US 10,328,513 B2General Electric Company · 2019