B23K 20/233
Without ferrous layer
Official title: without ferrous layer
B23K20/233 (Without ferrous layer) appears on 579 US grants and 653 published applications in this corpus.
Search patents in B23K- Granted patents
- 579
- Published applications
- 653
- Assignees
- 404
- Inventors
- 1,589
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 6 | 7 |
| 2004 | 5 | 10 |
| 2005 | 3 | 9 |
| 2006 | 9 | 12 |
| 2007 | 3 | 9 |
| 2008 | 2 | 7 |
| 2009 | 5 | 8 |
| 2010 | 10 | 22 |
| 2011 | 11 | 14 |
| 2012 | 8 | 19 |
| 2013 | 13 | 24 |
| 2014 | 14 | 21 |
| 2015 | 22 | 44 |
| 2016 | 26 | 52 |
| 2017 | 31 | 59 |
| 2018 | 33 | 47 |
| 2019 | 39 | 50 |
| 2020 | 40 | 44 |
| 2021 | 35 | 41 |
| 2022 | 35 | 49 |
| 2023 | 42 | 49 |
| 2024 | 43 | 29 |
| 2025 | 32 | 18 |
| 2026 | 11 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Golf club face plates with internal cell lattices and related methods15 Sep 2026US 12,734,413 B2Karsten Manufacturing Corporation
- Repair method for turbine blades23 Jun 2026US 12,662,942 B2MTU Aero Engines AG
- Method for friction stir processing for the end surface of age-hardening aluminum alloy plates16 Jun 2026US 12,654,253 B2Jimei University
- Method and device for welding at least three cables, each with two conductors protruding from the sheath ends of the cables2 Jun 2026US 12,646,910 B2Lisa Draexlmaier GmbH
- Method for determining the temperature in a joining zone12 May 2026US 12,625,013 B2Technische Universität Chemnitz
- Aluminum alloy plate and method for producing same6 Aug 2026US 2026/0225140 A1Uacj Corporation
- Bonding method and bonding apparatus16 Jul 2026US 2026/0200004 A1Ultex Corporation
- Large friction stir welded metallic components18 Jun 2026US 2026/0166645 A1Standex International Corporation
- Ultrasonic composite vibration device and ultrasonic bonding device14 May 2026US 2026/0131396 A1LINK-US Co., Ltd.
- Devices, systems, and methods for increased wear resistance during low temperature friction stir processing14 May 2026US 2026/0131398 A1Mazak Corporation
Most cited
By later US patents
- Method for diffusion bonding of alloys having low solubility oxides298US 4,732,312 AGrumman Aerospace Corporation · 1988
- Laser processing method and laser processing apparatus293US 6,992,026 B2Hamamatsu Photonics K.K. · 2006
- Method for joining parts of Ni-Ti alloys with different metals140US 5,368,661 AFurukawa Electric Co., Ltd. · 1994
- Laser processing method for cutting a wafer-like object by using a laser to form modified regions within the object117US 7,396,742 B2Hamamatsu Photonics K.K. · 2008
- Golf club face plates with internal cell lattices and related methods109US 8,663,027 B2Karsten Manufacturing Corporation · 2014