C23C 4/01
Selective coating
Official title: Selective coating, e.g. pattern coating, without pre-treatment of the material to be coated
C23C4/01 (Selective coating) appears on 272 US grants and 344 published applications in this corpus.
Search patents in C23C- Granted patents
- 272
- Published applications
- 344
- Assignees
- 177
- Inventors
- 866
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 17 | 3 |
| 2002 | 6 | 7 |
| 2003 | 7 | 10 |
| 2004 | 6 | 17 |
| 2005 | 9 | 26 |
| 2006 | 8 | 16 |
| 2007 | 5 | 12 |
| 2008 | 8 | 18 |
| 2009 | 7 | 16 |
| 2010 | 10 | 12 |
| 2011 | 8 | 16 |
| 2012 | 7 | 20 |
| 2013 | 13 | 14 |
| 2014 | 10 | 16 |
| 2015 | 6 | 24 |
| 2016 | 14 | 25 |
| 2017 | 18 | 14 |
| 2018 | 11 | 16 |
| 2019 | 14 | 11 |
| 2020 | 11 | 14 |
| 2021 | 10 | 8 |
| 2022 | 10 | 3 |
| 2023 | 4 | 5 |
| 2024 | 4 | 11 |
| 2025 | 4 | 9 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Anti-cavitation damping composite metal structure for flow passage component2 Jun 2026US 12,644,189 B2Hohai University
- Method for automated treating of 3D surfaces4 Nov 2025US 12,459,208 B2
- Equipment for treating an aircraft turbomachine component30 Sep 2025US 12,428,978 B2Safran Aircraft Engines
- Multicolor fixture finishes22 Jul 2025US 12,366,006 B2Kohler Co.
- Liquid metal-based electrode and method of manufacturing the same1 Apr 2025US 12,264,254 B2University-Industry Cooperation Group of Kyung Hee University
- Method of enhancing surface properties of molds and tools using additive manufacturing23 Apr 2026US 2026/0108992 A1Thermwood Corporation
- Variable thickness coating control25 Dec 2025US 2025/0389193 A1Rtx Corporation
- Method for evaluating corrosion resistance of thermal spray coating30 Oct 2025US 2025/0334505 A1SK Innovation Co., Ltd.
- Spray-Coated High-Voltage Busbar for a Vehicle, in Particular an Electric Vehicle19 Jun 2025US 2025/0201452 A1Intercable Automotive Solutions GmbH
- Variable hardening of corn processing rolls8 May 2025US 2025/0143217 A1Horning Manufacturing, LLC
Most cited
By later US patents
- Method for protecting passage holes in a metal-based substrate from becoming obstructed, and related compositions165US 5,902,647 AGeneral Electric Company · 1999
- Method of unblocking an obstructed cooling passage98US 6,004,620 AROLLS-ROYCE plc · 1999
- Integral turbine nozzle support and discourager seal75US 5,224,822 AGeneral Electric Company · 1993
- Honeycomb structure thermal barrier coating70US 6,846,574 B2Siemens Westinghouse Power Corporation · 2005
- Methods for repairing and reclassifying gas turbine engine airfoil parts69US 6,049,978 ARecast Airfoil Group · 2000