C25D 11/12
Anodising more than once
Official title: Anodising more than once, e.g. in different baths
C25D11/12 (Anodising more than once) appears on 288 US grants and 338 published applications in this corpus.
Search patents in C25D- Granted patents
- 288
- Published applications
- 338
- Assignees
- 184
- Inventors
- 750
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 2 |
| 2003 | 3 | 9 |
| 2004 | 3 | 0 |
| 2005 | 4 | 5 |
| 2006 | 0 | 8 |
| 2007 | 1 | 9 |
| 2008 | 1 | 6 |
| 2009 | 1 | 7 |
| 2010 | 9 | 17 |
| 2011 | 4 | 15 |
| 2012 | 3 | 20 |
| 2013 | 11 | 27 |
| 2014 | 13 | 20 |
| 2015 | 20 | 26 |
| 2016 | 20 | 19 |
| 2017 | 15 | 23 |
| 2018 | 13 | 17 |
| 2019 | 15 | 19 |
| 2020 | 18 | 12 |
| 2021 | 14 | 20 |
| 2022 | 12 | 14 |
| 2023 | 9 | 11 |
| 2024 | 15 | 15 |
| 2025 | 7 | 12 |
| 2026 | 11 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mixed acid anodization8 Sep 2026US 12,729,452 B2Rtx Corporation
- Method for preparing anodic aluminum oxide-based photonic crystal product and anodic aluminum oxide-based photonic crystal product prepared thereby1 Sep 2026US 12,723,320 B2Jabil Circuit (Singapore) Pte. Ltd.
- Dolly plate23 Jun 2026US D1,131,974 S1That Cat Camera Support, LLC · Design
- Method for simultaneously achieving superhydrophobic and superoleophobic surface on 3,000 series aluminum alloy in anodic oxidation process without pre-patterning step2 Jun 2026US 12,644,195 B2Dong-Eui University Industrial-Academic Cooperation Foundation
- Method for simultaneously achieving superhydrophobic and superoleophobic surface on 1000 series aluminum alloy in anodic oxidation process without pre-patterning step2 Jun 2026US 12,644,196 B2Dong-Eui University Industrial-Academic Cooperation Foundation
- A particle mediated anodising process for white anodised surfaces1 Oct 2026US 2026/0297789 A1Cirrus Materials Science Ltd
- Aluminum oxide layer on anode foil for aluminum electrolytic capacitor7 May 2026US 2026/0128234 A1Pacesetter, Inc.
- An alumina film structure for heat dissipation of a bare conductor under high voltage, and a method for preparing the same30 Apr 2026US 2026/0120920 A1Chongqing University
- Method for forming simultaneously superhydrophobic and superoleophobic surface on 6000-series aluminum alloy omitting pre-patterning step in anodization process23 Apr 2026US 2026/0110105 A1Dong-Eui University Industrial-Academic Cooperation Foundation
- Heat-transfer member and method of manufacturing the same19 Feb 2026US 2026/0049778 A1Kyushu University, National University Corporation
Most cited
By later US patents
- Optical interference structures incorporating porous films86US 5,218,472 AAlcan International Limited · 1993
- Method of growth of branched carbon nanotubes and devices produced from the branched nanotubes85US 6,325,909 B1The Governing Council of the University of Toronto · 2001
- Components of an electronic device76US 8,933,347 B22015
- Very high volt oxide formation of aluminum for electrolytic capacitors51US 6,299,752 B1Pacesetter, Inc. · 2001
- Twice-anodized aluminum article having an organo-phosphorus monolayer and process for making the article46US 5,277,788 AAluminum Company of America · 1994