C23C 22/361
Containing titanium, zirconium or hafnium compounds
Official title: {containing titanium, zirconium or hafnium compounds}
C23C22/361 (Containing titanium, zirconium or hafnium compounds) appears on 111 US grants and 118 published applications in this corpus.
Search patents in C23C- Granted patents
- 111
- Published applications
- 118
- Assignees
- 51
- Inventors
- 302
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 4 |
| 2004 | 3 | 4 |
| 2005 | 1 | 4 |
| 2006 | 1 | 5 |
| 2007 | 0 | 5 |
| 2008 | 2 | 3 |
| 2009 | 3 | 7 |
| 2010 | 2 | 4 |
| 2011 | 1 | 3 |
| 2012 | 4 | 5 |
| 2013 | 2 | 14 |
| 2014 | 7 | 2 |
| 2015 | 7 | 7 |
| 2016 | 7 | 8 |
| 2017 | 6 | 11 |
| 2018 | 5 | 1 |
| 2019 | 4 | 5 |
| 2020 | 4 | 7 |
| 2021 | 0 | 5 |
| 2022 | 2 | 0 |
| 2023 | 3 | 4 |
| 2024 | 2 | 2 |
| 2025 | 4 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface-treated metal sheet29 Sep 2026US 12,747,505 B2Nippon Steel Corporation
- Cr(III) based dry-in-place coating composition for zinc coated steel6 Jan 2026US 12,516,418 B2Henkel AG & Co. KGaA
- Surface-treated steel sheet30 Dec 2025US 12,509,777 B2Nippon Steel Corporation
- Systems and methods for treating a metal substrate2 Dec 2025US 12,486,579 B2PRC-DeSoto International, Inc.
- Passivation composition based on mixtures of phosphoric and phosphonic acids30 Sep 2025US 12,428,733 B2Henkel AG & Co. KGaA
- 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
- Surface-treated steel sheet and method of producing same28 May 2026US 2026/0146333 A1Jfe Steel Corporation
- Environment-friendly water-based treatment agent for improving phosphatability of high-strength steel26 Feb 2026US 2026/0055511 A1Baoshan Iron & Steel Co., Ltd.
- Surface-treated steel sheet19 Feb 2026US 2026/0049379 A1Nippon Steel Corporation
- Aluminum heat exchanger13 Feb 2025US 2025/0051591 A1Carrier Corporation
Most cited
By later US patents
- Coating solution for metal surface90US 4,148,670 AAmchem Products, Inc. · 1979
- Composition and process for treating metals64US 5,449,415 AHenkel Corporation · 1995
- Composition and process for treating metals45US 5,427,632 AHenkel Corporation · 1995
- Method and composition for coating aluminum37US 4,992,116 AHenkel Corporation · 1991
- Coating composition and method35US 4,338,140 AHooker Chemicals & Plastics Corporation · 1982