C25D 3/04
Of chromium
Official title: of chromium
C25D3/04 (Of chromium) appears on 379 US grants and 398 published applications in this corpus.
Search patents in C25D- Granted patents
- 379
- Published applications
- 398
- Assignees
- 253
- Inventors
- 879
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 11 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 17 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 5 |
| 2003 | 2 | 4 |
| 2004 | 2 | 3 |
| 2005 | 3 | 5 |
| 2006 | 3 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 9 |
| 2009 | 0 | 6 |
| 2010 | 4 | 17 |
| 2011 | 4 | 10 |
| 2012 | 9 | 10 |
| 2013 | 7 | 7 |
| 2014 | 2 | 4 |
| 2015 | 2 | 26 |
| 2016 | 5 | 19 |
| 2017 | 18 | 28 |
| 2018 | 18 | 26 |
| 2019 | 18 | 21 |
| 2020 | 35 | 37 |
| 2021 | 23 | 45 |
| 2022 | 30 | 21 |
| 2023 | 25 | 25 |
| 2024 | 15 | 24 |
| 2025 | 19 | 22 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Antiviral environment-friendly composite plating layer, preparation method therefor, and antiviral environment-friendly product6 Oct 2026US 12,751,456 B2Jomoo Kitchen&Bath Co., Ltd.
- Surface-treated copper foil, and copper-clad laminate and printed wiring board including the surface-treated copper foil8 Sep 2026US 12,729,451 B2Fukuda Metal Foil & Powder Co., Ltd.
- Electrolyte and method for producing chromium layers11 Aug 2026US 12,703,925 B2Maschinenfabrik Kaspar Walter GmbH & Co. KG
- Method for manufacturing chromium oxide coated tinplate7 Jul 2026US 12,674,243 B2Tata Steel Ijmuiden B.V.
- Anode with metallic interlayer for electrodeposition16 Jun 2026US 12,655,534 B2Magneto Special Anodes B.V.
- Passivating layer for metal-containing substrates3 Sep 2026US 2026/0258569 A1Carl Freudenberg KG
- Method of producing a laminated metal sheet for packaging applications and laminated metal sheet for packaging applications produced thereby13 Aug 2026US 2026/0233492 A1Tata Steel Ijmuiden B.V.
- Method for forming multi-component alloy plating film, and multi-component alloy plating film13 Aug 2026US 2026/0234827 A1Kyoto University
- Treatment and recycling of wastewater from trivalent chromium plating processes30 Jul 2026US 2026/0217572 A1MacDermid Enthone Inc.
- Chromium-plated component and production method for same9 Jul 2026US 2026/0193805 A1Jcu Corporation
Most cited
By later US patents
- Toothbrush with partially coated surface49US 9,539,750 B2Trisa Holding AG · 2017
- Non-uniform etching of anode foil to produce higher capacitance gain without sacrificing foil strength38US 6,736,956 B1Pacesetter, Inc. · 2004
- Trivalent chromium electroplating baths and electroplating therefrom36US 3,954,574 AAlbright & Wilson Limited · 1976
- Electrodeposition of chromium from a trivalent electrolyte29US 4,804,446 AThe United States of America as represented by the Secretary of Commerce · 1989
- Hermetic coating for an optical fiber24US 4,592,932 AITT Corporation · 1986