C23F 1/02
Local etching
C23F1/02 (Local etching) appears on 1,128 US grants and 1,057 published applications in this corpus.
Search patents in C23F- Granted patents
- 1,128
- Published applications
- 1,057
- Assignees
- 603
- Inventors
- 2,540
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 9 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 9 | 0 |
| 1982 | 12 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 14 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 14 | 0 |
| 1991 | 19 | 0 |
| 1992 | 9 | 0 |
| 1993 | 17 | 0 |
| 1994 | 20 | 0 |
| 1995 | 15 | 0 |
| 1996 | 9 | 0 |
| 1997 | 13 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 17 | 0 |
| 2001 | 16 | 12 |
| 2002 | 22 | 22 |
| 2003 | 25 | 20 |
| 2004 | 14 | 43 |
| 2005 | 18 | 20 |
| 2006 | 25 | 34 |
| 2007 | 10 | 26 |
| 2008 | 17 | 28 |
| 2009 | 19 | 21 |
| 2010 | 24 | 26 |
| 2011 | 24 | 39 |
| 2012 | 15 | 41 |
| 2013 | 37 | 51 |
| 2014 | 39 | 49 |
| 2015 | 56 | 93 |
| 2016 | 57 | 57 |
| 2017 | 50 | 54 |
| 2018 | 43 | 65 |
| 2019 | 55 | 60 |
| 2020 | 47 | 61 |
| 2021 | 50 | 62 |
| 2022 | 47 | 52 |
| 2023 | 41 | 39 |
| 2024 | 43 | 26 |
| 2025 | 35 | 30 |
| 2026 | 8 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fabrication of binary-phase photon sieve1 Sep 2026US 12,724,182 B1United States of America as represented by the Administrator of NASA
- Linear groove formation method and method of producing grain-oriented electrical steel sheet19 May 2026US 12,630,894 B2Jfe Steel Corporation
- Atomic layer etching of molybdenum7 Apr 2026US 12,598,929 B2Lam Research Corporation
- Formation of monolithic nanostructures on prosthetic devices31 Mar 2026US 12,588,982 B2Danmarks Tekniske Universitet
- Composition and method for creating nanoscale surface geometry on an implantable device31 Mar 2026US 12,590,248 B2Tech Met, Inc.
- Vapor-phase etch of metal-containing materials8 Oct 2026US 2026/0308770 A1Versum Materials US, LLC
- A system for use in processing a plurality of bodies of polycrystalline diamond material30 Jul 2026US 2026/0216617 A1Element Six (UK) Limited
- Method of processing a body of polycrystalline diamond material30 Jul 2026US 2026/0217619 A1Element Six (UK) Limited
- Composition and method for creating nanoscale surface geometry on an implantable device30 Jul 2026US 2026/0218048 A1Tech Met, Inc.
- A method for processing a body of polycrystalline diamond material30 Jul 2026US 2026/0218385 A1Element Six (UK) Limited
Most cited
By later US patents
- Expandable stents940US 5,514,154 AAdvanced Cardiovascular Systems, Inc. · 1996
- Flexible tubular device for use in medical applications929US 5,573,520 AMayo Foundation for Medical Education and Research · 1996
- Expandable stents and method for making same883US 5,421,955 AAdvanced Cardiovascular Systems, Inc. · 1995
- Flexible tubular device for use in medical applications586US 5,741,429 ACardia Catheter Company · 1998
- Temperature resistant abrasive compact and method for making same436US 4,224,380 AGeneral Electric Company · 1980