C23C 2/00
Hot-dipping or immersion processes for applying the coating material in the molten
Official title: Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
C23C2/00 (Hot-dipping or immersion processes for applying the coating material in the molten) appears on 2,968 US grants and 3,381 published applications in this corpus.
Search patents in C23C- Granted patents
- 2,968
- Published applications
- 3,381
- Assignees
- 831
- Inventors
- 5,187
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 41 | 0 |
| 1977 | 15 | 0 |
| 1978 | 30 | 0 |
| 1979 | 33 | 0 |
| 1980 | 21 | 0 |
| 1981 | 26 | 0 |
| 1982 | 27 | 0 |
| 1983 | 22 | 0 |
| 1984 | 17 | 0 |
| 1985 | 29 | 0 |
| 1986 | 23 | 0 |
| 1987 | 17 | 0 |
| 1988 | 18 | 0 |
| 1989 | 20 | 0 |
| 1990 | 11 | 0 |
| 1991 | 31 | 0 |
| 1992 | 25 | 0 |
| 1993 | 20 | 0 |
| 1994 | 31 | 0 |
| 1995 | 50 | 0 |
| 1996 | 36 | 0 |
| 1997 | 31 | 0 |
| 1998 | 37 | 0 |
| 1999 | 33 | 0 |
| 2000 | 36 | 0 |
| 2001 | 52 | 17 |
| 2002 | 37 | 24 |
| 2003 | 49 | 62 |
| 2004 | 53 | 61 |
| 2005 | 27 | 42 |
| 2006 | 22 | 46 |
| 2007 | 22 | 50 |
| 2008 | 13 | 56 |
| 2009 | 26 | 67 |
| 2010 | 26 | 94 |
| 2011 | 43 | 100 |
| 2012 | 34 | 78 |
| 2013 | 42 | 90 |
| 2014 | 64 | 151 |
| 2015 | 80 | 171 |
| 2016 | 77 | 164 |
| 2017 | 127 | 158 |
| 2018 | 103 | 180 |
| 2019 | 157 | 221 |
| 2020 | 152 | 231 |
| 2021 | 161 | 187 |
| 2022 | 185 | 212 |
| 2023 | 165 | 236 |
| 2024 | 182 | 279 |
| 2025 | 235 | 219 |
| 2026 | 154 | 185 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C23C 2/04Hot-dipping or immersion processes for applying the coating material in the molten2,002
- C23C 2/26After-treatment1,431
- C23C 2/34Hot-dipping or immersion processes for applying the coating material in the molten1,297
- C23C 2/02Pretreatment of the material to be coated1,085
- C23C 2/003Apparatus495
- C23C 2/14Removing excess of molten coatings340
- C23C 2/50Controlling or regulating the coating processes164
- C23C 2/30Fluxes or coverings on molten baths55
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
- Steel sheet for hot stamping29 Sep 2026US 12,747,484 B2Nippon Steel Corporation
- 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
- Coated steel sheet, member, and methods for producing the same1 Oct 2026US 2026/0297713 A1Jfe 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
- Monolithic jet column reactor pump113US 5,863,314 AAlphatech, Inc. · 1999
- Method and apparatus for removing bottom dross from molten zinc during galvannealing or galvanizing96US 5,961,285 AAK Steel Corporation · 1999
- Quick change conveyor roll sleeve assembly and method93US 8,915,830 B2Pyrotek, Inc. · 2014
- Rotary board treating apparatus90US 4,531,474 ADainippon Screen Manufacturing Co., Ltd. · 1985