C23F 2201/00
Type of materials to be protected by cathodic protection
C23F2201/00 (Type of materials to be protected by cathodic protection) appears on 206 US grants and 146 published applications in this corpus.
Search patents in C23F- Granted patents
- 206
- Published applications
- 146
- Assignees
- 115
- Inventors
- 357
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 1 |
| 2002 | 12 | 4 |
| 2003 | 5 | 2 |
| 2004 | 2 | 5 |
| 2005 | 5 | 5 |
| 2006 | 2 | 4 |
| 2007 | 4 | 7 |
| 2008 | 4 | 7 |
| 2009 | 3 | 8 |
| 2010 | 6 | 5 |
| 2011 | 11 | 8 |
| 2012 | 4 | 6 |
| 2013 | 7 | 5 |
| 2014 | 1 | 10 |
| 2015 | 7 | 9 |
| 2016 | 3 | 5 |
| 2017 | 3 | 8 |
| 2018 | 4 | 5 |
| 2019 | 6 | 12 |
| 2020 | 8 | 12 |
| 2021 | 3 | 4 |
| 2022 | 7 | 2 |
| 2023 | 4 | 2 |
| 2024 | 6 | 6 |
| 2025 | 2 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods and electric circuit arrangements for protection of metallic components from corrosion via stray currents26 May 2026US 12,636,956 B2Bender GmbH & Co. KG
- Method and inspection device for examining the cathodic protection of a ferromagnetic pipeline12 May 2026US 12,625,061 B2Rosen IP AG
- Carbon fiber-reinforced polymer active-passive-confined compression-cast reinforced concrete column incorporating cathodic protection27 Jan 2026US 12,534,811 B2Shenzhen University
- Cathodic protection of concrete using an anode attached to an outer surface27 Jan 2026US 12,534,812 B2Vector Corrosion Technologies Ltd.
- Smart carbon fiber reinforced polymer-shape memory alloy bar reinforced concrete structure integrating cathodic protection, force sensing, and bearing capacity self-adjustment9 Dec 2025US 12,492,480 B2Shenzhen University
- Pressure-sensitive adhesive tape for corrosion prevention, structure, and corrosion prevention method2 Apr 2026US 2026/0092204 A1Sekisui Chemical Co., Ltd.
- Smart carbon fiber reinforced polymer-shape memory alloy bar reinforced concrete structure integrating cathodic protection, force sensing, and bearing capacity self-adjustment30 Oct 2025US 2025/0333850 A1Shenzhen University
- Carbon fiber-reinforced polymer active-passive-confined compression-cast reinforced concrete column incorporating cathodic protection16 Oct 2025US 2025/0320609 A1Shenzhen University
- Anode assembly for selective corrosion protection of metal parts in concrete10 Jul 2025US 2025/0223706 A1INPROM Est.
- Method and inspection device for examining the cathodic protection of a, more particularly ferromagnetic, pipeline11 Jul 2024US 2024/0230515 A1Rosen IP AG
Most cited
By later US patents
- Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same132US 5,670,557 AMinnesota Mining and Manufacturing Company · 1997
- Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same120US 5,674,561 AMinnesota Mining and Manufacturing Company · 1997
- Biomedical electrode comprising polymerized microemulsion pressure sensitive adhesive compositions82US 5,779,632 AMinnesota Mining and Manufacturing Company · 1998
- Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same77US 5,952,398 AMinnesota Mining and Manufacturing Company · 1999
- Polymerized microemulsion pressure sensitive adhesive compositions and methods of preparing and using same69US 5,853,750 AMinnesota Mining and Manufacturing Company · 1998