C23F 13/04
Controlling or regulating desired parameters
C23F13/04 (Controlling or regulating desired parameters) appears on 292 US grants and 218 published applications in this corpus.
Search patents in C23F- Granted patents
- 292
- Published applications
- 218
- Assignees
- 204
- Inventors
- 591
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 1 |
| 2002 | 7 | 7 |
| 2003 | 8 | 4 |
| 2004 | 7 | 8 |
| 2005 | 6 | 3 |
| 2006 | 8 | 9 |
| 2007 | 8 | 7 |
| 2008 | 8 | 4 |
| 2009 | 3 | 5 |
| 2010 | 3 | 5 |
| 2011 | 6 | 9 |
| 2012 | 13 | 9 |
| 2013 | 3 | 4 |
| 2014 | 2 | 12 |
| 2015 | 6 | 9 |
| 2016 | 6 | 6 |
| 2017 | 5 | 6 |
| 2018 | 3 | 13 |
| 2019 | 4 | 15 |
| 2020 | 16 | 12 |
| 2021 | 8 | 15 |
| 2022 | 7 | 14 |
| 2023 | 12 | 11 |
| 2024 | 17 | 16 |
| 2025 | 8 | 11 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for the cathodic protection of metal components of boats8 Sep 2026US 12,729,444 B2
- Methods for controlling and monitoring the degree of cathodic protection for metal structures and buried pipelines using coupled multielectrode sensors9 Jun 2026US 12,649,973 B2C2 Ventures LLC
- 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
- Method and inspection device for examining the cathodic protection of a ferromagnetic pipeline12 May 2026US 12,625,061 B2Rosen IP AG
- Methods for controlling and monitoring the degree of cathodic protection for metal structures and buried pipelines using coupled multielectrode sensors17 Sep 2026US 2026/0275534 A1C2 Ventures LLC
- High pressure and high temperature anode and reference electrodes assemblies2 Apr 2026US 2026/0092861 A1Battelle Memorial Institute
- Systems and methods for cathodic protection5 Mar 2026US 2026/0063331 A1
- Method and system for corrosion protection11 Dec 2025US 2025/0377286 A1Deakin University
- Systems and methods to remotely obtain pipeline potentials6 Nov 2025US 2025/0341457 A1
Most cited
By later US patents
- Power supply for cathodic protection system78US 5,077,486 A1991
- Cathodic protection system for metallic structures49US 7,186,321 B22007
- Device for measurement of the potential with respect to the soil of a cathodically protected metallic structure48US 4,481,474 AN.V. Nederlandse Gasunie · 1984
- Pipeline mapping and interrupter therefor42US 6,954,071 B2Radiodetection Limited · 2005
- Method and system of preventing fouling and corrosion of biomedical devices and structures41US 6,524,466 B1Applied Semiconductor, Inc. · 2003