C23C 22/08
Orthophosphates
C23C22/08 (Orthophosphates) appears on 524 US grants and 516 published applications in this corpus.
Search patents in C23C- Granted patents
- 524
- Published applications
- 516
- Assignees
- 249
- Inventors
- 1,457
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 8 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 11 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 13 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 1 |
| 2002 | 16 | 14 |
| 2003 | 21 | 22 |
| 2004 | 18 | 17 |
| 2005 | 5 | 13 |
| 2006 | 2 | 7 |
| 2007 | 4 | 10 |
| 2008 | 3 | 15 |
| 2009 | 2 | 19 |
| 2010 | 9 | 12 |
| 2011 | 8 | 24 |
| 2012 | 14 | 18 |
| 2013 | 8 | 12 |
| 2014 | 8 | 14 |
| 2015 | 10 | 10 |
| 2016 | 8 | 9 |
| 2017 | 7 | 20 |
| 2018 | 7 | 28 |
| 2019 | 18 | 24 |
| 2020 | 15 | 21 |
| 2021 | 9 | 24 |
| 2022 | 17 | 54 |
| 2023 | 14 | 39 |
| 2024 | 30 | 38 |
| 2025 | 54 | 33 |
| 2026 | 15 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrical steel sheet having insulating coating, method for producing the same, transformer core and transformer using the electrical steel sheet, and method for reducing dielectric loss in transformer4 Aug 2026US 12,700,528 B2Jfe Steel Corporation
- Method for producing grain-oriented electrical steel sheet14 Jul 2026US 12,680,149 B2Jfe Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating16 Jun 2026US 12,655,502 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating16 Jun 2026US 12,655,503 B2Nippon Steel Corporation
- Non-oriented electrical steel sheet and method for manufacturing the same9 Jun 2026US 12,649,957 B2Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279629 A1Nippon Steel Corporation
- Phosphonate-free, aqueous pickling compositions and their use27 Aug 2026US 2026/0250850 A1Chemetall GmbH
- Grain-oriented electrical steel sheet and method for forming insulating coating20 Aug 2026US 2026/0242905 A1Nippon Steel Corporation
- Grain-oriented electrical steel sheet and method for forming intermediate layer and insulating coating included in grain-oriented electrical steel sheet6 Aug 2026US 2026/0226574 A1Nippon Steel Corporation
- Method for manufacturing grain-oriented electrical steel sheet6 Aug 2026US 2026/0226576 A1Nippon Steel Corporation
Most cited
By later US patents
- Joint for steel pipe having high galling resistance and surface treatment method thereof68US 6,027,145 ANippon Steel Corporation · 2000
- Copper coating of printed circuit boards61US 5,800,859 A1998
- Coated steel sheet having excellent corrosion resistance and method for producing the same53US 6,562,474 B1NKK Corporation · 2003
- Treatment of metal parts to provide rust-inhibiting coatings by phosphating and electrophoretically depositing a siccative organic coating44US 4,165,242 AR. O. Hull & Company, Inc. · 1979
- Chromium-free surface treatment44US 4,264,378 AOxy Metal Industries Corporation · 1981