C23G
Cleaning or de-greasing of metallic material by chemical methods other than electrolysis
C23G (Cleaning or de-greasing of metallic material by chemical methods other than electrolysis) appears on 3,418 US grants and 2,215 published applications in this corpus.
Search patents in C23G- Granted patents
- 3,418
- Published applications
- 2,215
- Assignees
- 1,447
- Inventors
- 6,797
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 59 | 0 |
| 1977 | 56 | 0 |
| 1978 | 73 | 0 |
| 1979 | 34 | 0 |
| 1980 | 37 | 0 |
| 1981 | 47 | 0 |
| 1982 | 58 | 0 |
| 1983 | 56 | 0 |
| 1984 | 62 | 0 |
| 1985 | 46 | 0 |
| 1986 | 58 | 0 |
| 1987 | 47 | 0 |
| 1988 | 48 | 0 |
| 1989 | 64 | 0 |
| 1990 | 60 | 0 |
| 1991 | 92 | 0 |
| 1992 | 98 | 0 |
| 1993 | 116 | 0 |
| 1994 | 87 | 0 |
| 1995 | 95 | 0 |
| 1996 | 102 | 0 |
| 1997 | 86 | 0 |
| 1998 | 124 | 0 |
| 1999 | 99 | 0 |
| 2000 | 75 | 0 |
| 2001 | 113 | 34 |
| 2002 | 95 | 94 |
| 2003 | 92 | 92 |
| 2004 | 58 | 104 |
| 2005 | 61 | 106 |
| 2006 | 55 | 106 |
| 2007 | 36 | 82 |
| 2008 | 50 | 76 |
| 2009 | 45 | 90 |
| 2010 | 56 | 80 |
| 2011 | 56 | 77 |
| 2012 | 55 | 71 |
| 2013 | 60 | 81 |
| 2014 | 60 | 65 |
| 2015 | 53 | 81 |
| 2016 | 68 | 83 |
| 2017 | 48 | 95 |
| 2018 | 42 | 102 |
| 2019 | 70 | 83 |
| 2020 | 67 | 92 |
| 2021 | 67 | 85 |
| 2022 | 80 | 117 |
| 2023 | 54 | 108 |
| 2024 | 69 | 86 |
| 2025 | 76 | 74 |
| 2026 | 53 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Steel sheet with excellent phosphatability and manufacturing method therefor6 Oct 2026US 12,753,458 B2Posco
- Method for surface treatment by selective removal of a bonding primer on a titanium or titanium alloy substrate6 Oct 2026US 12,753,483 B2Safran Aircraft Engines
- Cylinder processing device8 Sep 2026US 12,729,445 B2FHM Investments Ltd
- Solvent free copper extraction18 Aug 2026US 12,709,784 B2GreenSource Fabrication LLC
- Stainless steel having excellent surface electrical conductivity for fuel cell separator and manufacturing method therefor4 Aug 2026US 12,700,597 B2Posco
- Process for Chemically Cleaning Lithium Carbonate Scale from Surfaces of Equipment24 Sep 2026US 2026/0284721 A1Veolia Water Technologies, Inc.
- Method and facility for thermal cleaning of metal parts24 Sep 2026US 2026/0291353 A1Fornax A/S
- Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and manufacturing methods therefor17 Sep 2026US 2026/0275439 A1Posco
- High-strength steel sheet and manufacturing method therefor27 Aug 2026US 2026/0250811 A1Jfe Steel Corporation
- High-strength steel sheet and method for manufacturing same27 Aug 2026US 2026/0250812 A1Jfe Steel Corporation
Most cited
By later US patents
- Thickened acidic aqueous compositions using cross-linked dialkylaminoacrylic microparticles202US 5,100,660 AAllied Colloids Limited · 1992
- Cleaning process using phase shifting of dense phase gases198US 5,013,366 AHughes Aircraft Company · 1991
- Plasma processing apparatus and plasma cleaning method191US 5,269,881 AMitsubishi Denki Kabushiki Kaisha · 1993
- Selective removal of TixNy188US 5,948,702 ATexas Instruments Incorporated · 1999
- Double-sided radiation-assisted processing apparatus179US 5,083,030 AApplied Photonics Research · 1992