B23K 9/0288
For welding of tubes to tube plates
Official title: {for welding of tubes to tube plates}
B23K9/0288 (For welding of tubes to tube plates) appears on 81 US grants and 31 published applications in this corpus.
Search patents in B23K- Granted patents
- 81
- Published applications
- 31
- Assignees
- 60
- Inventors
- 160
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 5 |
| 2021 | 0 | 0 |
| 2022 | 2 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
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
- Method for producing welded connections and an auxiliary device24 Mar 2026US 12,583,044 B2GEA TDS GmbH
- Welding apparatus and method9 Dec 2025US 12,491,573 B2Mitsubishi Heavy Industries, Ltd.
- Tube and tubesheet assembly with damage resistance and method for protecting tube and tubesheet assemblies from damage20 May 2025US 12,305,940 B2Suncor Energy Inc.
- Hygienic heat exchanger30 Jan 2024US 11,885,574 B2SPX Flow Technology Danmark A/S
- Orbital welding head for welding the joints of tubes of tube plates of heat exchangers with a rotating joint having flexible blades28 Aug 2025US 2025/0269454 A1Maus Italia SPA
- Mechanized and coordinated motion for fillet and groove welding3 Jul 2025US 2025/0214170 A1Lincoln Global.Inc.
- Assembly for Engaging the Interior of a Pipe26 Sep 2024US 2024/0318762 A1Vital Industrial Solutions Inc.
- Tube to tube sheet welding for fabrication of vertical boiling reactor with reduced tube pitch21 Mar 2024US 2024/0091886 A1Scientific Design Company, Inc.
- Pipe connection assembly of heat exchanger11 May 2023US 2023/0141369 A1Hanon Systems
Most cited
By later US patents
- Remote manipulator arm for nuclear generator repair26US 4,561,816 A1985
- Heat exchanger having a header plate25US 4,529,034 AModine Manufacturing Company · 1985
- Method of making a heat exchanger21US 4,377,024 AModine Manufacturing Company · 1983
- Method of permanently joining first and second metallic components18US 7,127,816 B2Dana Corporation · 2006
- Flange weld technique16US 4,500,030 AAPX Group, Inc. · 1985