C25F 3/22
Of heavy metals
Official title: of heavy metals
C25F3/22 (Of heavy metals) appears on 145 US grants and 202 published applications in this corpus.
Search patents in C25F- Granted patents
- 145
- Published applications
- 202
- Assignees
- 158
- Inventors
- 521
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 6 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 5 |
| 2005 | 3 | 4 |
| 2006 | 2 | 5 |
| 2007 | 1 | 3 |
| 2008 | 1 | 8 |
| 2009 | 2 | 4 |
| 2010 | 1 | 5 |
| 2011 | 3 | 7 |
| 2012 | 2 | 6 |
| 2013 | 6 | 14 |
| 2014 | 2 | 3 |
| 2015 | 6 | 14 |
| 2016 | 4 | 6 |
| 2017 | 4 | 8 |
| 2018 | 5 | 5 |
| 2019 | 11 | 11 |
| 2020 | 7 | 10 |
| 2021 | 11 | 16 |
| 2022 | 8 | 20 |
| 2023 | 8 | 14 |
| 2024 | 9 | 14 |
| 2025 | 8 | 9 |
| 2026 | 11 | 7 |
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
- Use of sulfonic acids in dry electrolytes to polish metal surfaces through ion transport26 May 2026US 12,637,589 B2Drylyte, S.L.
- Electrolytic medium for electropolishing and method of electropolishing with said medium26 May 2026US 12,637,783 B2Drylyte, S.L.
- Method for surface treatment and/or production of a medical product, and a medical product5 May 2026US 12,618,168 B2Aesculap AG
- Post-processing of an object obtained by direct metal laser sintering28 Apr 2026US 12,611,715 B2Koninklijke Philips N. V.
- High purity flexible conduit assembly and method17 Sep 2026US 2026/0276113 A1Hose Master, Inc.
- Device for the electropolishing of multiple free-moving items by means of solid electrolytes23 Jul 2026US 2026/0209985 A1Steros Gpa Innovative, S.L.
- Anti-corrosive oil-impregnated nanoporous oxide coating for stainless steel16 Jul 2026US 2026/0201592 A1The Trustees of the Stevens Institute of Technology
- Method and device for dry treatment of metal surfaces by means of electrically active solid particles25 Jun 2026US 2026/0175343 A1Drylyte, S.L.
- Dental drill surface treatment26 Feb 2026US 2026/0053508 A1Straumann Holding AG
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
- Apparatus for electropolishing a stent170US 6,679,980 B1Advanced Cardiovascular Systems, Inc. · 2004
- Methods and apparatus for electropolishing metal interconnections on semiconductor devices167US 6,395,152 B1ACM Research, Inc. · 2002
- Stent with radiopaque coating consisting of particles in a binder135US 6,355,058 B1Advanced Cardiovascular Systems, Inc. · 2002