C25D 11/20
Electrolytic after-treatment
C25D11/20 (Electrolytic after-treatment) appears on 212 US grants and 211 published applications in this corpus.
Search patents in C25D- Granted patents
- 212
- Published applications
- 211
- Assignees
- 162
- Inventors
- 601
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 5 |
| 2004 | 1 | 5 |
| 2005 | 5 | 10 |
| 2006 | 3 | 4 |
| 2007 | 5 | 4 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 2 | 11 |
| 2011 | 2 | 10 |
| 2012 | 3 | 4 |
| 2013 | 5 | 12 |
| 2014 | 6 | 9 |
| 2015 | 6 | 12 |
| 2016 | 6 | 25 |
| 2017 | 9 | 16 |
| 2018 | 1 | 16 |
| 2019 | 10 | 15 |
| 2020 | 10 | 5 |
| 2021 | 7 | 4 |
| 2022 | 6 | 10 |
| 2023 | 3 | 10 |
| 2024 | 6 | 9 |
| 2025 | 6 | 1 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device and method for manufacturing housing of electronic device9 Jun 2026US 12,649,978 B2Samsung Electronics Co., Ltd.
- Methods of modifying the porous surface of implants5 May 2026US 12,616,576 B2Biomet Manufacturing, LLC
- Surface treatment method of aluminum material21 Apr 2026US 12,606,926 B2Samsung Electronics Co., Ltd.
- Furniture rotary system having reduced friction, and a piece of furniture comprising such system10 Feb 2026US 12,546,363 B2Inter IKEA Systems B.V.
- Electronic device including plate, plate, and method for manufacturing plate16 Dec 2025US 12,501,568 B2Samsung Electronics Co., Ltd.
- Methods of modifying the porous surface of implants20 Aug 2026US 2026/0240657 A1Biomet Manufacturing, LLC
- Rare earth-based electrolytic coloring method, electrolyte, and alloy product23 Apr 2026US 2026/0110104 A1Shenzhen xin mao xin industrial co., LTD.
- Techniques for matte white metallic finish of electronic devices19 Feb 2026US 2026/0049410 A1Apple Inc.
- Deep-colored housing and electronic device comprising same3 Apr 2025US 2025/0113451 A1Samsung Electronics Co., Ltd.
- Sealing solution kit, two-step sealing method using the same and article5 Dec 2024US 2024/0401220 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Method of anodizing and sealing aluminum64US 4,582,588 ATexas Instruments Incorporated · 1986
- Process for electrolytic coloring of the anodic oxide film on aluminum or aluminum base alloys42US 4,021,315 ASumitomo Chemical Company, Limited · 1977
- Colored anodized aluminum and electrolytic method for the manufacture of same37US 5,472,788 A1995
- Electrolytic coloring of anodized aluminium by means of optical interference effects30US 4,066,816 AAlcan Research and Development Limited · 1978
- Aluminium articles having anodic oxide coatings and methods of coloring them by means of optical interference effects29US 4,310,586 AAlcan Research and Development Limited · 1982