C23F 2213/00
Aspects of inhibiting corrosion of metals by anodic or cathodic protection
C23F2213/00 (Aspects of inhibiting corrosion of metals by anodic or cathodic protection) appears on 330 US grants and 377 published applications in this corpus.
Search patents in C23F- Granted patents
- 330
- Published applications
- 377
- Assignees
- 264
- Inventors
- 778
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 4 | 5 |
| 2003 | 1 | 3 |
| 2004 | 5 | 5 |
| 2005 | 3 | 4 |
| 2006 | 7 | 6 |
| 2007 | 10 | 6 |
| 2008 | 6 | 9 |
| 2009 | 3 | 7 |
| 2010 | 6 | 12 |
| 2011 | 8 | 17 |
| 2012 | 14 | 14 |
| 2013 | 10 | 13 |
| 2014 | 11 | 24 |
| 2015 | 14 | 23 |
| 2016 | 13 | 16 |
| 2017 | 15 | 24 |
| 2018 | 15 | 29 |
| 2019 | 22 | 27 |
| 2020 | 25 | 26 |
| 2021 | 16 | 22 |
| 2022 | 14 | 12 |
| 2023 | 21 | 20 |
| 2024 | 20 | 26 |
| 2025 | 9 | 23 |
| 2026 | 12 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for the cathodic protection of metal components of boats8 Sep 2026US 12,729,444 B2
- Test station assemblies for monitoring cathodic protection of structures and related methods18 Aug 2026US 12,709,808 B2Marathon Petroleum Company LP
- Methods and electric circuit arrangements for protection of metallic components from corrosion via stray currents26 May 2026US 12,636,956 B2Bender GmbH & Co. KG
- Propeller arrangement in a cathodic protection system26 May 2026US 12,637,774 B2AB Volvo Penta
- Self-healing anti-icing aluminum conductor steel-reinforced with composite microporous structure and preparation method thereof19 May 2026US 12,630,754 B2Chongqing University
- Methods and systems for determining non-triazole corrosion inhibitor concentration in industrial water systems1 Oct 2026US 2026/0298825 A1Chemtreat, Inc.
- Method and anode mount for mounting an iccp anode on an offshore construction18 Jun 2026US 2026/0168110 A1
- Apparatus for detecting corrosion rate of soil-covered storage tank after cathodic protection18 Jun 2026US 2026/0168914 A1China Construction Industrial & Energy Engineering Group Co., Ltd.
- A measuring unit19 Mar 2026US 2026/0079097 A1AB Volvo Penta
- Method and system for corrosion protection11 Dec 2025US 2025/0377286 A1Deakin University
Most cited
By later US patents
- System for protecting gasifier surfaces from corrosion77US 8,372,251 B2General Electric Company · 2013
- Subsea clamping apparatus69US 4,705,331 AWayne Graham & Associates International, Inc. · 1987
- Cathodic protection system for metallic structures49US 7,186,321 B22007
- Repair of corroded reinforcement in concrete using sacrificial anodes45US 6,022,469 AAston Material Services Limited · 2000
- Cathodic lead insulator41US 7,294,913 B2Chase Corporation · 2007