C23C 2/04
Hot-dipping or immersion processes for applying the coating material in the molten
Official title: characterised by the coating material
C23C2/04 (Hot-dipping or immersion processes for applying the coating material in the molten) appears on 2,002 US grants and 2,729 published applications in this corpus.
Search patents in C23C- Granted patents
- 2,002
- Published applications
- 2,729
- Assignees
- 518
- Inventors
- 3,443
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 15 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 11 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 3 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 16 | 0 |
| 1996 | 15 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 14 | 8 |
| 2002 | 21 | 11 |
| 2003 | 16 | 29 |
| 2004 | 23 | 23 |
| 2005 | 14 | 15 |
| 2006 | 11 | 20 |
| 2007 | 8 | 22 |
| 2008 | 5 | 20 |
| 2009 | 12 | 43 |
| 2010 | 11 | 54 |
| 2011 | 22 | 53 |
| 2012 | 14 | 50 |
| 2013 | 18 | 66 |
| 2014 | 43 | 114 |
| 2015 | 56 | 144 |
| 2016 | 59 | 146 |
| 2017 | 96 | 141 |
| 2018 | 90 | 158 |
| 2019 | 137 | 202 |
| 2020 | 139 | 217 |
| 2021 | 153 | 163 |
| 2022 | 168 | 181 |
| 2023 | 152 | 212 |
| 2024 | 157 | 259 |
| 2025 | 205 | 206 |
| 2026 | 138 | 172 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Slurry-blasted hot-roll-based hot dip aluminized steel strip6 Oct 2026US 12,753,476 B2Cleveland-Cliffs Steel Properties Inc.
- High-strength alloyed hot-dip galvanized steel sheet and manufacturing method therefor6 Oct 2026US 12,753,477 B2Kobe Steel, Ltd.
- Thickness control manifold for molten lithium dip coating6 Oct 2026US 12,753,478 B2GM Global Technology Operations LLC
- Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing same6 Oct 2026US 12,753,479 B2Posco
- Metal-coated steel strip29 Sep 2026US 12,747,489 B2Bluescope Steel Limited
- Plated steel material8 Oct 2026US 2026/0308723 A1Nippon Steel Corporation
- Zn-al-mg-si coated steel sheet8 Oct 2026US 2026/0308724 A1Jfe Steel Corporation
- Hydrogen induced cracking-resistant cold-rolled hot-dip galvanized ultra-high-strength dual-phase steel and manufacturing method therefor8 Oct 2026US 2026/0308732 A1Baoshan Iron & Steel Co., Ltd.
- High strength steel sheet, high strength coated steel sheet, methods for producing the same, and member1 Oct 2026US 2026/0297712 A1Jfe Steel Corporation
- Steel sheet and plated steel sheet1 Oct 2026US 2026/0297714 A1Nippon Steel Corporation
Most cited
By later US patents
- Method of forming a metal coating on a substrate537US 4,882,199 AMassachusetts Institute of Technology · 1989
- Process for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc89US 6,364,930 B1Andritz Patentverwaltungsgellschaft mbH · 2002
- Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc86US 6,656,415 B2Andritz Patentverwaltungsgesellschaft M.B.H. · 2003
- Treatment of hematologic malignancies associated with circulating tumor cells using chimeric anti-CD20 antibody83US 7,682,612 B1Biogen Idec Inc. · 2010
- High temperature amorphous composition based on aluminum phosphate76US 6,461,415 B1Applied Thin Films, Inc. · 2002