C23C 22/33
Containing also phosphates
Official title: containing also phosphates
C23C22/33 (Containing also phosphates) appears on 80 US grants and 64 published applications in this corpus.
Search patents in C23C- Granted patents
- 80
- Published applications
- 64
- Assignees
- 34
- Inventors
- 165
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 5 |
| 2014 | 0 | 5 |
| 2015 | 0 | 2 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 5 |
| 2019 | 3 | 1 |
| 2020 | 0 | 3 |
| 2021 | 3 | 4 |
| 2022 | 2 | 15 |
| 2023 | 2 | 2 |
| 2024 | 9 | 5 |
| 2025 | 11 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Grain-oriented electrical steel sheet and manufacturing method therefor25 Aug 2026US 12,716,134 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for manufacturing the same17 Feb 2026US 12,553,136 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet17 Feb 2026US 12,555,709 B2Nippon Steel Corporation
- Method for producing grain oriented electrical steel sheet28 Oct 2025US 12,454,745 B2Nippon Steel Corporation
- Passivation composition based on mixtures of phosphoric and phosphonic acids30 Sep 2025US 12,428,733 B2Henkel AG & Co. KGaA
- Method of producing electrical steel sheet with insulating coating16 Jul 2026US 2026/0204463 A1Jfe Steel Corporation
- Grain-oriented electrical steel sheet and formation method for insulating coating28 Aug 2025US 2025/0270665 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating10 Jul 2025US 2025/0223675 A1Nippon Steel Corporation
- A coating for grain-oriented silicon steel coating layer, and grain-oriented silicon steel sheet and manufacturing method therefor27 Feb 2025US 2025/0066922 A1Baoshan Iron & Steel Co., Ltd.
- Coating liquid for forming insulation coating for grain-oriented electrical steel sheet, method of manufacturing grain-oriented electrical steel sheet, and grain-oriented electrical steel sheet6 Feb 2025US 2025/0043373 A1Nippon Steel Corporation
Most cited
By later US patents
- Method for forming an insulating coating on an oriented silicon steel sheet22US 3,985,583 AKawasaki Steel Corporation · 1976
- Reflective aluminum strip, protected with fluoropolymer coating and a laminate of the strip with a thermoplastic polymer21US 5,478,414 AAluminum Company of America · 1995
- Composition and method for coating metal surfaces19US 4,183,772 AUnion Carbide Corporation · 1980
- Copper stainproofing technique18US 4,647,315 AOlin Corporation · 1987
- Method for chromating treatment of zinc coated steel18US 5,366,567 AHenkel Corporation · 1994