C23D 3/00
Chemical treatment of the metal surfaces prior to coating
C23D3/00 (Chemical treatment of the metal surfaces prior to coating) appears on 38 US grants and 26 published applications in this corpus.
Search patents in C23D- Granted patents
- 38
- Published applications
- 26
- Assignees
- 43
- Inventors
- 102
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 0 | 3 |
| 2020 | 1 | 0 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 4 |
| 2025 | 3 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grain-oriented electrical steel sheet and method for manufacturing same30 Dec 2025US 12,512,240 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for manufacturing same23 Sep 2025US 12,424,360 B2Nippon Steel Corporation
- Vitreous coating application by induction heating and integration with induction kinetic weld joining3 Jun 2025US 12,320,011 B2AmpClad Coating Technologies Inc.
- Vitreous coating application by induction heating and integration with induction kinetic weld joining3 Oct 2023US 11,773,495 B2AmpClad Coating Technologies Inc.
- Electrode of an electrochemical measuring system26 Oct 2021US 11,156,580 B2Endress+Hauser Conducta GmbH+Co. KG
- Piece of equipment and process for the decoration of ceramic manufactured articles26 Mar 2026US 2026/0084439 A1Tecno Italia Digital S.R.L.
- Enamel-coated stainless steel product, production method, and flowmeter1 Jan 2026US 2026/0002265 A1Endress + Hauser Flowtec AG
- Grain-oriented electrical steel sheet and method for manufacturing same30 May 2024US 2024/0177899 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for manufacturing same30 May 2024US 2024/0177901 A1Nippon Steel Corporation
- Method for producing an enameled steel component, enameled steel component, and use thereof18 Apr 2024US 2024/0124983 A1BSH Hausgeräte GmbH
Most cited
By later US patents
- Chemical protection of a lithium surface112US 6,911,280 B1PolyPlus Battery Company · 2005
- Porcelain-enameled steel sheets and frits for enameling39US 5,993,974 AKawasaki Steel Corporation · 1999
- Method for surface treatment, ornaments and electronic devices27US 6,087,018 ASeiko Epson Corporation · 2000
- Protective coatings and frits therefor22US 3,939,295 ARadiation Limited · 1976
- Preparation of nickel and chromium substrates for ceramic coating13US 3,962,490 AFerro Corporation · 1976