C23C 8/04
Treatment of selected surface areas
Official title: Treatment of selected surface areas, e.g. using masks
C23C8/04 (Treatment of selected surface areas) appears on 140 US grants and 162 published applications in this corpus.
Search patents in C23C- Granted patents
- 140
- Published applications
- 162
- Assignees
- 108
- Inventors
- 384
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 2 |
| 2003 | 1 | 3 |
| 2004 | 5 | 6 |
| 2005 | 2 | 3 |
| 2006 | 1 | 13 |
| 2007 | 4 | 4 |
| 2008 | 4 | 7 |
| 2009 | 2 | 5 |
| 2010 | 4 | 4 |
| 2011 | 2 | 2 |
| 2012 | 2 | 8 |
| 2013 | 5 | 6 |
| 2014 | 3 | 12 |
| 2015 | 4 | 22 |
| 2016 | 14 | 12 |
| 2017 | 12 | 14 |
| 2018 | 10 | 3 |
| 2019 | 10 | 8 |
| 2020 | 9 | 5 |
| 2021 | 4 | 4 |
| 2022 | 2 | 5 |
| 2023 | 1 | 1 |
| 2024 | 4 | 1 |
| 2025 | 1 | 5 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of carburizing driveline components17 Jun 2025US 12,331,797 B2Aircraft Gear Corporation
- Guiding member, mechanical system comprising such a guiding member, and method for producing such a guiding member24 Sep 2024US 12,098,744 B2Hydromecanique Et Frottement
- Dual phase magnetic material component and method of its formation7 May 2024US 11,976,367 B2General Electric Company
- Fabrication method for a component having magnetic and non-magnetic dual phases12 Mar 2024US 11,926,880 B2General Electric Company
- Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization30 Jan 2024US 11,885,027 B2Swagelok Company
- Maskless touch up tool for surface coatings21 May 2026US 2026/0139352 A1Blue Origin, LLC
- Copper-based tunneling barrier layer for stress reduction in copper structures and methods for forming the same14 May 2026US 2026/0136901 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Method for forming a tube30 Apr 2026US 2026/0115792 A1MiRus LLC
- Method for forming a tube12 Mar 2026US 2026/0070124 A1MiRus LLC
- Method of carburizing driveline components5 Feb 2026US 2026/0036176 A1Aircraft Gear Corporation
Most cited
By later US patents
- Method of selectively forming an insulation layer57US 4,595,601 AKabushiki Kaisha Toshiba · 1986
- Method for producing a semiconductor device having a semiconductor layer of SiC43US 5,804,482 AABB Research Ltd. · 1998
- Selective case hardening processes at low temperature41US 6,165,597 ASwagelok Company · 2000
- Method of forming transparent conductor pattern40US 4,277,517 ARockwell International Corporation · 1981
- Fabrication of articles having a coating deposited through a mask31US 6,253,441 B1General Electric Company · 2001