B23K 15/04
Electron-beam welding or cutting: for welding annular seams
Official title: for welding annular seams
B23K15/04 (Electron-beam welding or cutting: for welding annular seams) appears on 87 US grants and 51 published applications in this corpus.
Search patents in B23K- Granted patents
- 87
- Published applications
- 51
- Assignees
- 69
- Inventors
- 204
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 5 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 4 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 5 |
| 2014 | 1 | 1 |
| 2015 | 3 | 6 |
| 2016 | 2 | 1 |
| 2017 | 2 | 7 |
| 2018 | 3 | 1 |
| 2019 | 6 | 0 |
| 2020 | 1 | 4 |
| 2021 | 2 | 1 |
| 2022 | 2 | 6 |
| 2023 | 1 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electron beam welding appliance11 Aug 2026US 12,703,040 B2Techmeta Engineering SAS
- Weld cap and plug welds for fluid delivery systems17 Mar 2026US 12,577,966 B2Compart Systems Pte. Ltd.
- Method of repairing a rod guide assembly of a fuel control unit14 Feb 2023US 11,578,619 B2Pratt & Whitney Canada Corp.
- Fixture for holding a rod guide assembly of a fuel control unit of an aircraft engine during welding8 Nov 2022US 11,492,928 B2Pratt & Whitney Canada Corp.
- Method for assembling at least two parts by transparent welding, method for assembling a primary structure of an aircraft pylon by transparent welding, primary structure of an aircraft pylon thus obtained and aircraft comprising said primary structure4 Oct 2022US 11,459,123 B2Airbus Operations GmbH
- Weld cap and plug welds for fluid delivery systems8 Oct 2026US 2026/0309168 A1Compart Systems Pte. Ltd.
- Joining Method to Perform Defect-Free, Electron Beam Welds Using a Slope-Out Technique12 Mar 2026US 2026/0070148 A1
- Joining Method to Perform Defect-Free, Electron Beam Welds Using a Slope-Out Technique17 Oct 2024US 2024/0342822 A1
- Metal packers4 Apr 2024US 2024/0109148 A1Vertice Oil Tools Inc.
- Electron-beam welding nickel-based superalloys, and device8 Sep 2022US 2022/0281027 A1Siemens Energy Global GmbH & Co. KG
Most cited
By later US patents
- Turbine exhaust case and method of making71US 7,100,358 B2Pratt & Whitney Canada Corp. · 2006
- Welding method for dissimilar metals44US 3,975,612 AHitachi, Ltd. · 1976
- Method for welding between metallic body and precision tube body42US 3,949,186 AFurukawa Electric Co., Ltd. · 1976
- Full face wheel assembly40US 5,360,261 AHayes Wheels International, Inc. · 1994
- Method of manufacturing sputtering target assembly29US 5,143,590 AJohnson Matthey PLC · 1992