C23F 13/14
Material for sacrificial anodes
C23F13/14 (Material for sacrificial anodes) appears on 96 US grants and 106 published applications in this corpus.
Search patents in C23F- Granted patents
- 96
- Published applications
- 106
- Assignees
- 101
- Inventors
- 296
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 3 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 1 | 4 |
| 2014 | 2 | 7 |
| 2015 | 3 | 10 |
| 2016 | 5 | 12 |
| 2017 | 2 | 8 |
| 2018 | 8 | 6 |
| 2019 | 6 | 13 |
| 2020 | 7 | 8 |
| 2021 | 4 | 6 |
| 2022 | 5 | 0 |
| 2023 | 5 | 5 |
| 2024 | 5 | 3 |
| 2025 | 0 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell system10 Mar 2026US 12,571,109 B2Toyota Jidosha Kabushiki Kaisha
- Cathodic protection of concrete using an anode attached to an outer surface27 Jan 2026US 12,534,812 B2Vector Corrosion Technologies Ltd.
- Systems and methods for preventing liberation and damage to airfoils in a gas turbine13 Aug 2024US 12,060,802 B1GE Infrastructure Technology LLC
- Embedded foundation protection system9 Jul 2024US 12,031,216 B2
- Corrosion control coating16 Apr 2024US 11,959,179 B2Ewald Dörken AG
- Cathodic protection system and method for oil and gas heater treater vessel1 Oct 2026US 2026/0297759 A1
- Alloy containing bismuth used for a sacrificial anode, and preparation process10 Sep 2026US 2026/0265871 A1Tecnoseal Foundry S.r.l.
- Alloy for use in a sacrificial anode and a sacrificial anode8 May 2025US 2025/0146107 A1
- Systems and methods for preventing liberation and damage to airfoils in a gas turbine30 Jan 2025US 2025/0035011 A1GE Infrastructure Technology LLC
- Ce-containing magnesium alloy sacrificial anode and preparation method and use thereof5 Sep 2024US 2024/0295010 A1Midea Group Co., Ltd.
Most cited
By later US patents
- Repair of corroded reinforcement in concrete using sacrificial anodes45US 6,022,469 AAston Material Services Limited · 2000
- Brazing fin stock for use in aluminum base alloy heat exchanger26US 4,357,397 ASumitomo Light Metal Industries, Ltd. · 1982
- Galvanic protection of steel with zinc alloys19US 4,917,966 AThe Ohio State University · 1990
- Sacrificial anode and method of making same16US 5,728,275 AAlumax Extrusions, Inc. · 1998
- Laminated heat exchanger16US 5,979,542 AZexel Corporation · 1999