C25F 3/26
Of refractory metals
Official title: of refractory metals
C25F3/26 (Of refractory metals) appears on 42 US grants and 65 published applications in this corpus.
Search patents in C25F- Granted patents
- 42
- Published applications
- 65
- Assignees
- 50
- Inventors
- 149
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 3 |
| 2012 | 0 | 2 |
| 2013 | 4 | 4 |
| 2014 | 0 | 2 |
| 2015 | 2 | 5 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 4 |
| 2020 | 1 | 3 |
| 2021 | 4 | 6 |
| 2022 | 4 | 7 |
| 2023 | 3 | 8 |
| 2024 | 3 | 5 |
| 2025 | 4 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrolytic medium for electropolishing and method of electropolishing with said medium26 May 2026US 12,637,783 B2Drylyte, S.L.
- Post-processing of an object obtained by direct metal laser sintering28 Apr 2026US 12,611,715 B2Koninklijke Philips N. V.
- Tungsten wire, tungsten wire processing method using the same, and electrolyzed wire21 Apr 2026US 12,606,890 B2Niterra Materials Co., Ltd.
- Method and device for dry treatment of metal surfaces by means of electrically active solid particles24 Feb 2026US 12,558,754 B2Drylyte, S.L.
- Tungsten wire, saw wire, and tungsten wire for screen printing26 Aug 2025US 12,398,447 B2Panasonic Intellectual Property Management Co., Ltd.
- Method and device for dry treatment of metal surfaces by means of electrically active solid particles25 Jun 2026US 2026/0175343 A1Drylyte, S.L.
- Surface-smoothened metal member and method for manufacturing same8 May 2025US 2025/0146161 A1Nippon Light Metal Company, Ltd.
- Systems and methods for affecting surfaces of electrically conductive materials13 Mar 2025US 2025/0084556 A1MetCon Technologies, LLC
- Rhenium-tungsten alloy wire, method of manufacturing same, and medical needle16 Jan 2025US 2025/0019805 A1Kabushiki Kaisha Toshiba
- Method for forming superhydrophilic oxide film on pure titanium surface31 Oct 2024US 2024/0360582 A1Dong-eui University Industry-academic Corporation Foundation
Most cited
By later US patents
- Method for the electrolytic polishing of the inside surface hollow niobium bodies14US 4,014,765 ASiemens Aktiengesellschaft · 1977
- Electrochemical system and method for electropolishing superconductive radio frequency cavities13US 9,006,147 B2Faraday Technology Corp. · 2015
- Method for the anodic polishing of surfaces of intermetallic niobium compounds and niobium alloys8US 4,072,588 ASiemens Aktiengesellschaft · 1978
- Electrolyte solution and electropolishing methods7US 8,357,287 B2MetCon LLC · 2013
- Methods and systems for manufacturing components from articles formed by additive-manufacturing processes7US 9,782,829 B2Honeywell International Inc. · 2017