C23F 11/00
Inhibiting corrosion of metallic material by applying inhibitors to the surface in
Official title: Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent (adding inhibitors to mineral oil, fuels, or lubricants C10; adding inhibitors to pickling solutions C23G)
C23F11/00 (Inhibiting corrosion of metallic material by applying inhibitors to the surface in) appears on 3,022 US grants and 1,984 published applications in this corpus.
Search patents in C23F- Granted patents
- 3,022
- Published applications
- 1,984
- Assignees
- 1,136
- Inventors
- 5,201
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 73 | 0 |
| 1977 | 47 | 0 |
| 1978 | 67 | 0 |
| 1979 | 43 | 0 |
| 1980 | 50 | 0 |
| 1981 | 59 | 0 |
| 1982 | 72 | 0 |
| 1983 | 61 | 0 |
| 1984 | 58 | 0 |
| 1985 | 72 | 0 |
| 1986 | 58 | 0 |
| 1987 | 77 | 0 |
| 1988 | 84 | 0 |
| 1989 | 66 | 0 |
| 1990 | 84 | 0 |
| 1991 | 67 | 0 |
| 1992 | 73 | 0 |
| 1993 | 49 | 0 |
| 1994 | 80 | 0 |
| 1995 | 59 | 0 |
| 1996 | 54 | 0 |
| 1997 | 47 | 0 |
| 1998 | 81 | 0 |
| 1999 | 58 | 0 |
| 2000 | 61 | 0 |
| 2001 | 45 | 14 |
| 2002 | 53 | 39 |
| 2003 | 56 | 66 |
| 2004 | 47 | 55 |
| 2005 | 22 | 62 |
| 2006 | 26 | 66 |
| 2007 | 29 | 59 |
| 2008 | 34 | 74 |
| 2009 | 18 | 72 |
| 2010 | 50 | 59 |
| 2011 | 50 | 63 |
| 2012 | 41 | 73 |
| 2013 | 60 | 75 |
| 2014 | 51 | 87 |
| 2015 | 61 | 94 |
| 2016 | 71 | 106 |
| 2017 | 59 | 105 |
| 2018 | 69 | 105 |
| 2019 | 82 | 87 |
| 2020 | 83 | 112 |
| 2021 | 77 | 94 |
| 2022 | 83 | 84 |
| 2023 | 82 | 85 |
| 2024 | 79 | 88 |
| 2025 | 52 | 80 |
| 2026 | 42 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Continuous coil pretreatment process6 Oct 2026US 12,753,515 B2Arconic Technologies LLC
- Production method for etching liquid composition6 Oct 2026US 12,753,516 B2Kao Corporation
- Aqueous formulation of oil-soluble corrosion inhibitor, and preparation method and regeneration method thereof22 Sep 2026US 12,742,119 B2PetroChina Company Limited
- Succinic anhydride-derived polyesters as corrosion inhibitors25 Aug 2026US 12,716,028 B2Ecolab USA Inc.
- Hydrophobic concrete and asphalt18 Aug 2026US 12,709,572 B2Nant Holdings IP, LLC
- Continuous coil pretreatment process8 Oct 2026US 2026/0308766 A1Arconic Technologies LLC
- Method of improving the corrosion resistance of a metal substrate8 Oct 2026US 2026/0308797 A1PPG Industries Ohio, Inc.
- Method for preventing corrosion of metal component1 Oct 2026US 2026/0297757 A1Kurita Water Industries Ltd.
- Method of Inhibiting Corrosion of a Metal in an Industrial Water System1 Oct 2026US 2026/0297758 A1Ecolab USA Inc.
- Methods and systems for determining non-triazole corrosion inhibitor concentration in industrial water systems1 Oct 2026US 2026/0298825 A1Chemtreat, Inc.
Most cited
By later US patents
- Control of fine particulate flowback in subterranean wells335US 5,853,048 AHalliburton Energy Services, Inc. · 1998
- Control of fine particulate flowback in subterranean wells260US 5,775,425 AHalliburton Energy Services, Inc. · 1998
- Control of fine particulate flowback in subterranean wells215US 5,871,049 AHalliburton Energy Services.Inc. · 1999
- Functional ionene compositions and their use196US 4,075,136 ACalgon Corporation · 1978
- Functional ionene compositions and their use178US 4,166,894 ACalgon Corporation · 1979