B23K 20/021
Isostatic pressure welding
Official title: {Isostatic pressure welding}
B23K20/021 (Isostatic pressure welding) appears on 195 US grants and 186 published applications in this corpus.
Search patents in B23K- Granted patents
- 195
- Published applications
- 186
- Assignees
- 135
- Inventors
- 428
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 3 |
| 2003 | 2 | 1 |
| 2004 | 4 | 6 |
| 2005 | 4 | 6 |
| 2006 | 2 | 12 |
| 2007 | 2 | 6 |
| 2008 | 0 | 3 |
| 2009 | 5 | 5 |
| 2010 | 6 | 8 |
| 2011 | 6 | 9 |
| 2012 | 4 | 12 |
| 2013 | 4 | 15 |
| 2014 | 9 | 6 |
| 2015 | 9 | 8 |
| 2016 | 14 | 11 |
| 2017 | 7 | 12 |
| 2018 | 10 | 7 |
| 2019 | 15 | 16 |
| 2020 | 12 | 10 |
| 2021 | 3 | 3 |
| 2022 | 5 | 6 |
| 2023 | 5 | 7 |
| 2024 | 4 | 8 |
| 2025 | 2 | 4 |
| 2026 | 7 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Golf club face plates with internal cell lattices and related methods15 Sep 2026US 12,734,413 B2Karsten Manufacturing Corporation
- Joining apparatus15 Sep 2026US 12,734,609 B2Tazmo Co., Ltd.
- Molybdenum sputtering target assembly and method of making11 Aug 2026US 12,703,907 B2Solstice Advanced Materials US, Inc.
- Method for manufacturing an electrical conductor, such as a current rod, for a high-temperature electrochemical device11 Aug 2026US 12,706,315 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Electrical steel strip, use of an electrical steel strip and method for producing an electrical steel strip19 May 2026US 12,633,442 B2Wickeder Westfalenstahl GmbH
- Components and the manufacture thereof via welding with reduced alloy-depletion16 Jul 2026US 2026/0199974 A1
- Method for preparing alloy for diffusion bonding, and diffusion bonding material produced using method for preparing alloy for diffusion bonding2 Apr 2026US 2026/0091446 A1Korea Atomic Energy Research Institute
- Molybdenum sputtering target assembly and method of making19 Jun 2025US 2025/0197987 A1Honeywell International Inc.
- Hot isostatic pressing to form a diffusion bond region8 May 2025US 2025/0144708 A1General Electric Company
- Method for manufacturing a double-layered heat exchange wall16 Jan 2025US 2025/0019789 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Golf club face plates with internal cell lattices and related methods109US 8,663,027 B2Karsten Manufacturing Corporation · 2014
- Diffusion bonded sputter target assembly and method of making88US 6,071,389 ATosoh SMD, Inc. · 2000
- Method of manufacturing a hybrid turbine rotor82US 4,152,816 AGeneral Motors Corporation · 1979
- Methods for repairing and reclassifying gas turbine engine airfoil parts69US 6,049,978 ARecast Airfoil Group · 2000
- Gas turbine engine rotor assembly57US 4,796,343 AROLLS-ROYCE plc · 1989