C25F
Processes for the electrolytic removal of materials from objects
Official title: Processes for the electrolytic removal of materials from objects; apparatus therefor
C25F (Processes for the electrolytic removal of materials from objects) appears on 2,031 US grants and 1,910 published applications in this corpus.
Search patents in C25F- Granted patents
- 2,031
- Published applications
- 1,910
- Assignees
- 1,109
- Inventors
- 4,760
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 21 | 0 |
| 1978 | 30 | 0 |
| 1979 | 30 | 0 |
| 1980 | 28 | 0 |
| 1981 | 31 | 0 |
| 1982 | 20 | 0 |
| 1983 | 38 | 0 |
| 1984 | 35 | 0 |
| 1985 | 32 | 0 |
| 1986 | 34 | 0 |
| 1987 | 32 | 0 |
| 1988 | 21 | 0 |
| 1989 | 24 | 0 |
| 1990 | 28 | 0 |
| 1991 | 33 | 0 |
| 1992 | 38 | 0 |
| 1993 | 26 | 0 |
| 1994 | 26 | 0 |
| 1995 | 27 | 0 |
| 1996 | 26 | 0 |
| 1997 | 21 | 0 |
| 1998 | 37 | 0 |
| 1999 | 31 | 0 |
| 2000 | 34 | 0 |
| 2001 | 42 | 15 |
| 2002 | 42 | 48 |
| 2003 | 48 | 71 |
| 2004 | 48 | 99 |
| 2005 | 39 | 123 |
| 2006 | 51 | 85 |
| 2007 | 40 | 76 |
| 2008 | 28 | 59 |
| 2009 | 55 | 69 |
| 2010 | 35 | 59 |
| 2011 | 33 | 58 |
| 2012 | 41 | 57 |
| 2013 | 46 | 85 |
| 2014 | 47 | 73 |
| 2015 | 59 | 102 |
| 2016 | 53 | 104 |
| 2017 | 70 | 85 |
| 2018 | 77 | 79 |
| 2019 | 65 | 87 |
| 2020 | 84 | 78 |
| 2021 | 56 | 80 |
| 2022 | 68 | 83 |
| 2023 | 57 | 68 |
| 2024 | 52 | 64 |
| 2025 | 36 | 56 |
| 2026 | 34 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
Recent patents
- Method for forming robust hydrophobic surfaces on steel workpiece6 Oct 2026US 12,753,490 B2Hong Kong Applied Science and Technology Research Institute Company Limited
- Method for producing a cyclically stable silicon anode for secondary batteries, and silicon anode for secondary batteries15 Sep 2026US 12,738,476 B2Christian-Albrechts-Universitaet zu Kiel
- Grain-oriented electrical steel sheet and manufacturing method therefor25 Aug 2026US 12,716,134 B2Nippon Steel Corporation
- Stainless steel for separation plate of polymer electrolyte membrane fuel cell having improved hydrophilic property and corrosion resistance, and manufacturing method therefor25 Aug 2026US 12,719,063 B2Posco
- Power tool including switch wetting11 Aug 2026US 12,703,927 B2Milwaukee Electric Tool Corporation
- Lead electro-etching before plating to mitigate burr1 Oct 2026US 2026/0304630 A1
- Electrolytic medium, electropolishing process using such electrolytic medium and device to carry it out24 Sep 2026US 2026/0286564 A1Drylyte, S.L.
- Surface finishing of internal geometries for manifolds24 Sep 2026US 2026/0286565 A1Lam Research Corporation
- Substrate processing apparatus24 Sep 2026US 2026/0286566 A1SCREEN Holdings Co., Ltd.
- Substrate processing apparatus and substrate processing method24 Sep 2026US 2026/0286567 A1SCREEN Holdings Co., Ltd.
Most cited
By later US patents
- Temporary stent and methods for use and manufacture762US 5,449,372 AScimed Lifesystems, Inc. · 1995
- Microchip drug delivery devices675US 5,797,898 AMassachusetts Institute of Technology · 1998
- Expandable intervertebral spacer384US 7,621,950 B1Kyphon SARL · 2009
- Prosthetic interbody spacer363US 6,482,233 B1Synthes USA, LLC · 2002
- Fabrication of microchip drug delivery devices359US 6,123,861 AMassachusetts Institute of Technology · 2000