C23F 13/005
Anodic protection
Official title: {Anodic protection}
C23F13/005 (Anodic protection) appears on 60 US grants and 65 published applications in this corpus.
Search patents in C23F- Granted patents
- 60
- Published applications
- 65
- Assignees
- 70
- Inventors
- 196
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 9 |
| 2016 | 5 | 2 |
| 2017 | 2 | 6 |
| 2018 | 6 | 6 |
| 2019 | 1 | 3 |
| 2020 | 5 | 3 |
| 2021 | 4 | 9 |
| 2022 | 2 | 3 |
| 2023 | 3 | 5 |
| 2024 | 2 | 1 |
| 2025 | 2 | 5 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-healing anti-icing aluminum conductor steel-reinforced with composite microporous structure and preparation method thereof19 May 2026US 12,630,754 B2Chongqing University
- Shaft contact device5 May 2026US 12,620,300 B2Waynedd Enterprises Ltd
- Anti-corrosion wear-resistant drill pipe and preparation method thereof12 Aug 2025US 12,385,144 B1Southwest Petroleum University
- System and a method for notifying a user to replace a sacrificial anode4 Feb 2025US 12,215,896 B2Pentair, Inc.
- Method to apply color coatings on alloys25 Jun 2024US 12,018,396 B2Cirrus Materials Science Ltd
- Method and system for corrosion-resistant fastening of carbon fiber and metal structures17 Sep 2026US 2026/0275533 A1Textron Aviation Inc.
- A water treatment unit18 Dec 2025US 2025/0381571 A1International Water Treatment Maritime AS
- Corrosion protection system9 Oct 2025US 2025/0313961 A1Corrosion Instruments Pty Ltd
- Battery pack with reversible connector and zero volt stability11 Sep 2025US 2025/0286254 A1
- Anode assembly for selective corrosion protection of metal parts in concrete10 Jul 2025US 2025/0223706 A1INPROM Est.
Most cited
By later US patents
- Passive water heater anode rod depletion sensor algorithm19US 8,890,703 B2General Electric Company · 2014
- Apparatus for reducing the current drain on the sacrificial anode in a water heater16US 5,023,928 AA. O. Smith Corporation · 1991
- Linear faraday induction generator for the generation of electrical power from ocean wave kinetic energy and arrangements thereof15US 10,011,910 B2Energystics, Ltd. · 2018
- Anodically polarized surface for biofouling and scale control12US 4,256,556 ADiamond Shamrock Corporation · 1981
- Cathodic or anodic protection system and method for independently protecting different regions of a structure11US 4,437,957 AFreeman Industries, Inc. · 1984