C25F 3/00
Electrolytic etching or polishing
C25F3/00 (Electrolytic etching or polishing) appears on 1,398 US grants and 1,385 published applications in this corpus.
Search patents in C25F- Granted patents
- 1,398
- Published applications
- 1,385
- Assignees
- 811
- Inventors
- 3,428
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 11 | 0 |
| 1978 | 22 | 0 |
| 1979 | 21 | 0 |
| 1980 | 19 | 0 |
| 1981 | 18 | 0 |
| 1982 | 16 | 0 |
| 1983 | 25 | 0 |
| 1984 | 27 | 0 |
| 1985 | 20 | 0 |
| 1986 | 25 | 0 |
| 1987 | 17 | 0 |
| 1988 | 14 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 20 | 0 |
| 1992 | 22 | 0 |
| 1993 | 13 | 0 |
| 1994 | 21 | 0 |
| 1995 | 18 | 0 |
| 1996 | 18 | 0 |
| 1997 | 17 | 0 |
| 1998 | 25 | 0 |
| 1999 | 15 | 0 |
| 2000 | 14 | 0 |
| 2001 | 23 | 7 |
| 2002 | 26 | 30 |
| 2003 | 29 | 41 |
| 2004 | 31 | 62 |
| 2005 | 24 | 69 |
| 2006 | 35 | 56 |
| 2007 | 22 | 53 |
| 2008 | 20 | 42 |
| 2009 | 33 | 53 |
| 2010 | 24 | 45 |
| 2011 | 25 | 48 |
| 2012 | 25 | 40 |
| 2013 | 35 | 65 |
| 2014 | 37 | 48 |
| 2015 | 50 | 81 |
| 2016 | 39 | 71 |
| 2017 | 55 | 61 |
| 2018 | 50 | 64 |
| 2019 | 44 | 57 |
| 2020 | 70 | 65 |
| 2021 | 46 | 69 |
| 2022 | 49 | 67 |
| 2023 | 47 | 50 |
| 2024 | 46 | 53 |
| 2025 | 28 | 47 |
| 2026 | 29 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Wafer holder and method21 Jul 2026US 12,686,938 B2Poro Technologies Ltd
- 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
- Expandable intervertebral spacer384US 7,621,950 B1Kyphon SARL · 2009
- Prosthetic interbody spacer363US 6,482,233 B1Synthes USA, LLC · 2002
- Angiographic guidewire with safety core wire273US 4,003,369 AMedrad, Inc. · 1977
- Electrochemical metal removal technique for planarization of surfaces255US 5,567,300 AIBM Corporation · 1996