B23K 20/04
Non-electric welding by applying impact or other pressure, with or without the
Official title: by means of a rolling mill
B23K20/04 (Non-electric welding by applying impact or other pressure, with or without the) appears on 262 US grants and 224 published applications in this corpus.
Search patents in B23K- Granted patents
- 262
- Published applications
- 224
- Assignees
- 178
- Inventors
- 660
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 1 |
| 2004 | 3 | 10 |
| 2005 | 1 | 2 |
| 2006 | 3 | 4 |
| 2007 | 3 | 3 |
| 2008 | 1 | 5 |
| 2009 | 0 | 5 |
| 2010 | 4 | 6 |
| 2011 | 1 | 10 |
| 2012 | 6 | 8 |
| 2013 | 7 | 14 |
| 2014 | 3 | 8 |
| 2015 | 4 | 9 |
| 2016 | 5 | 9 |
| 2017 | 7 | 12 |
| 2018 | 13 | 17 |
| 2019 | 8 | 23 |
| 2020 | 14 | 14 |
| 2021 | 16 | 25 |
| 2022 | 13 | 12 |
| 2023 | 14 | 5 |
| 2024 | 16 | 8 |
| 2025 | 3 | 6 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacturing apparatus30 Jun 2026US 12,667,905 B2Panasonic Intellectual Property Management Co., Ltd.
- Carbon steel and austenitic stainless steel rolling clad plate manufacturing method therefor19 May 2026US 12,629,766 B2Baoshan Iron & Steel Co., Ltd.
- 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
- Clad steel plate, member, and production methods for same28 Apr 2026US 12,612,673 B2Jfe Steel Corporation
- Heat exchanger with aluminum alloy clad tube and method of manufacture31 Mar 2026US 12,590,769 B2Carrier Corporation
- Equipment and processes for sheet metal consolidation20 Aug 2026US 2026/0241437 A1Massachusetts Institute of Technology
- Aluminum alloy plate and method for producing same6 Aug 2026US 2026/0225140 A1Uacj Corporation
- Clad material and clad material manufacturing method15 Jan 2026US 2026/0014777 A1Proterial, Ltd.
- Method of making aluminum brazing sheet2 Oct 2025US 2025/0303504 A1Hindalco Industries Limited
- Roll press apparatus and pressure-bonding method10 Jul 2025US 2025/0222501 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Dynamic friction bonding process101US 4,144,110 A1979
- Method for making a copper core five-ply composite for cookware71US 6,267,830 B1Clad Metals LLC · 2001
- Production of aluminum brazing sheet31US 4,146,163 AAluminum Company of America · 1979
- Method for fabricating monolithic aluminum structures31US 4,820,355 ARockwell International Corporation · 1989
- Method for producing clad steel pipes30US 4,162,758 AAsahi Kasei Kogyo Kabushiki Kaisha · 1979