C23G 1/19
Iron or steel
C23G1/19 (Iron or steel) appears on 92 US grants and 81 published applications in this corpus.
Search patents in C23G- Granted patents
- 92
- Published applications
- 81
- Assignees
- 87
- Inventors
- 255
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 5 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 3 |
| 2010 | 1 | 5 |
| 2011 | 3 | 0 |
| 2012 | 1 | 4 |
| 2013 | 4 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 6 |
| 2017 | 2 | 2 |
| 2018 | 5 | 6 |
| 2019 | 2 | 6 |
| 2020 | 2 | 5 |
| 2021 | 2 | 5 |
| 2022 | 5 | 8 |
| 2023 | 1 | 2 |
| 2024 | 7 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Surface modification of a zinc-based metal coating in a hot-dip coating process10 Feb 2026US 12,545,984 B2ThyssenKrupp Steel Europe AG
- Cognitive cleaning methods27 May 2025US 12,311,416 B2Angara Industries Limited
- Pretreatment method for pretreating components prior to electroplating11 Mar 2025US 12,249,810 B2Robert Bosch GmbH
- Method for the cleaning and/or anti-corrosion pretreatment of a plurality of components comprising zinc-coated (ZM) steel25 Feb 2025US 12,234,561 B2Henkel AG & Co. KGaA
- Surface treatment composition and methods for use10 Dec 2024US 12,163,233 B2Corrosion Exchange LLC
- Method of pre-treating metallic substrates5 Feb 2026US 2026/0035802 A1Chemetall GmbH
- Alkaline reaction rinse for decorative autophoretic coatings15 May 2025US 2025/0154664 A1Henkel AG & Co. KGaA
- Surface treatment composition and methods for use27 Mar 2025US 2025/0101600 A1Corrosion Exchange LLC
- Method for alkaline cleaning of zinc-magnesium-alloyed strip steel13 Mar 2025US 2025/0084538 A1Henkel AG & Co. KGaA
- Method for the cleaning and/or anti-corrosion pretreatment of a plurality of components comprising zinc-coated (zm) steel8 Aug 2024US 2024/0263315 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Methods and compositions for removing deposits containing iron sulfide from surfaces comprising basic aqueous solutions of particular chelating agents58US 4,276,185 AHalliburton Company · 1981
- Highly alkaline cleaning dispersion48US 4,521,332 APennwalt Corporation · 1985
- Thermal barrier coating removal on flat and contoured surfaces41US 5,643,474 AGeneral Electric Company · 1997
- Alkaline cleaner for ferrous-based metal surfaces33US 4,382,825 AAmchem Products, Inc. · 1983
- Method of removing iron and copper-containing scale from a metal surface33US 4,666,528 AHalliburton Company · 1987