C23C 22/82
After-treatment
C23C22/82 (After-treatment) appears on 678 US grants and 688 published applications in this corpus.
Search patents in C23C- Granted patents
- 678
- Published applications
- 688
- Assignees
- 390
- Inventors
- 1,926
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 15 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 11 | 0 |
| 1993 | 12 | 0 |
| 1994 | 17 | 0 |
| 1995 | 25 | 0 |
| 1996 | 14 | 0 |
| 1997 | 9 | 0 |
| 1998 | 13 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 3 |
| 2002 | 18 | 10 |
| 2003 | 19 | 17 |
| 2004 | 14 | 15 |
| 2005 | 5 | 23 |
| 2006 | 9 | 24 |
| 2007 | 5 | 19 |
| 2008 | 7 | 21 |
| 2009 | 8 | 30 |
| 2010 | 9 | 26 |
| 2011 | 6 | 29 |
| 2012 | 17 | 23 |
| 2013 | 15 | 27 |
| 2014 | 22 | 39 |
| 2015 | 18 | 40 |
| 2016 | 32 | 52 |
| 2017 | 29 | 33 |
| 2018 | 25 | 35 |
| 2019 | 30 | 39 |
| 2020 | 33 | 36 |
| 2021 | 16 | 35 |
| 2022 | 23 | 30 |
| 2023 | 10 | 28 |
| 2024 | 29 | 18 |
| 2025 | 26 | 20 |
| 2026 | 10 | 16 |
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
- Bismuth compositions for metal pretreatment applications21 Jul 2026US 12,686,925 B2Henkel AG & Co. KGaA
- Abrasion-resistant coatings for thermal interfaces21 Jul 2026US 12,690,170 B2Henkel AG & Co. KGaA
- Systems for treating a metal substrate12 May 2026US 12,624,224 B2PPG Industries Ohio, Inc.
- Method for producing hardened steel components with a conditioned zinc anti-corrosive layer31 Mar 2026US 12,590,346 B2voestalpine Stahl GmbH
- Method for the Corrosion-Protective Pretreatment of Components Comprising Surfaces of Zinc-Magnesium Hot-Dip Coated Steel8 Oct 2026US 2026/0308768 A1Henkel AG & Co. KGaA
- Grain-oriented electrical steel sheet and method for forming insulating coating17 Sep 2026US 2026/0279629 A1Nippon Steel Corporation
- Coating material, oriented silicon steel sheet having coating formed from coating material, and manufacturing method therefor3 Sep 2026US 2026/0258252 A1Baoshan Iron & Steel Co., Ltd.
- Phosphonate-free, aqueous pickling compositions and their use27 Aug 2026US 2026/0250850 A1Chemetall GmbH
- Systems for treating a metal substrate20 Aug 2026US 2026/0242617 A1PPG Industries Ohio, Inc.
Most cited
By later US patents
- Method of bonding copper and resin81US 4,642,161 AHitachi, Ltd. · 1987
- Steel sheet with enhanced corrosion resistance having a silane treated silicate coating80US 5,108,793 AArmco Steel Corporation · 1992
- Process for treating copper surface74US 4,902,551 AHitachi Chemical Company, Ltd. · 1990
- Process for producing copper clad laminate72US 5,382,333 AMitsubishi Gas Chemical Company, Inc. · 1995
- Method for making multi-layer circuit boards69US 5,861,076 APark Electrochemical Corporation · 1999