C23F 4/02
Processes for removing metallic material from surfaces, not provided for in group
Official title: by evaporation
C23F4/02 (Processes for removing metallic material from surfaces, not provided for in group) appears on 57 US grants and 57 published applications in this corpus.
Search patents in C23F- Granted patents
- 57
- Published applications
- 57
- Assignees
- 45
- Inventors
- 148
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 2 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 3 | 4 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 5 | 6 |
| 2020 | 5 | 4 |
| 2021 | 1 | 2 |
| 2022 | 6 | 6 |
| 2023 | 4 | 5 |
| 2024 | 3 | 3 |
| 2025 | 3 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for forming groove on metal strip surface and method for manufacturing grain-oriented electrical steel sheet30 Jun 2026US 12,668,883 B2Jfe Steel Corporation
- Metal member, metal-resin joined body, and method for manufacturing same12 May 2026US 12,623,433 B2Nippon Light Metal Company, Ltd.
- Thermal atomic layer etching processes3 Jun 2025US 12,320,012 B2ASM IP Holding B. V.
- Thermal atomic layer etching processes27 May 2025US 12,312,696 B2ASM IP Holding B. V.
- Preparation of 7XXX aluminum alloys for adhesive bonding20 May 2025US 12,305,289 B2Arconic Technologies LLC
- Applications of a matte coating layer in printing processes to create varying visual effects on printed articles25 Sep 2025US 2025/0297369 A1Harris & Bruno International, Inc.
- Applications of a matte coating layer in printing processes to create varying visual effects on printed articles25 Sep 2025US 2025/0297370 A1Harris & Bruno International, Inc.
- Thermal atomic layer etching processes15 May 2025US 2025/0154662 A1ASM IP Holding B. V.
- Method and apparatus for stripping an oxide layer from a metal product20 Mar 2025US 2025/0092529 A1Aperam
- Metal member, metal-resin joined body, and method for manufacturing same21 Nov 2024US 2024/0383224 A1Nippon Light Metal Company, Ltd.
Most cited
By later US patents
- Laser-induced etching of multilayer materials62US 5,874,011 ARevise, Inc. · 1999
- Laser induced chemical etching of metals with excimer lasers57US 4,490,211 AInternational Business Machines Corporation · 1984
- Laser marking method and ablative coating for use therein51US 4,707,722 AMotorola, Inc. · 1987
- Copper dry etch process using organic and amine radicals50US 5,100,499 ATexas Instruments Incorporated · 1992
- Laser stimulated halogen gas etching of metal substrates42US 4,622,095 AIBM Corporation · 1986