B44C 1/227
By etching
Official title: {by etching}
B44C1/227 (By etching) appears on 232 US grants and 285 published applications in this corpus.
Search patents in B44C- Granted patents
- 232
- Published applications
- 285
- Assignees
- 183
- Inventors
- 627
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 7 | 7 |
| 2003 | 2 | 6 |
| 2004 | 5 | 6 |
| 2005 | 2 | 6 |
| 2006 | 1 | 9 |
| 2007 | 0 | 3 |
| 2008 | 3 | 5 |
| 2009 | 2 | 10 |
| 2010 | 1 | 10 |
| 2011 | 1 | 11 |
| 2012 | 8 | 18 |
| 2013 | 13 | 61 |
| 2014 | 32 | 33 |
| 2015 | 30 | 11 |
| 2016 | 14 | 10 |
| 2017 | 7 | 19 |
| 2018 | 14 | 8 |
| 2019 | 11 | 8 |
| 2020 | 5 | 8 |
| 2021 | 4 | 7 |
| 2022 | 4 | 5 |
| 2023 | 6 | 9 |
| 2024 | 7 | 5 |
| 2025 | 6 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for direct fabrication of appliances for palate expansion5 May 2026US 12,616,556 B2Align Technology, Inc.
- Press element and method for manufacturing press elements21 Apr 2026US 12,605,866 B2Unilin BV
- Method of manufacturing a floor board4 Nov 2025US 12,459,288 B2Unilin BV
- Decoration panel for home appliances, home appliance including the same, and method for manufacturing the decoration panel26 Aug 2025US 12,398,482 B2Samsung Electronics Co., Ltd.
- Etching a design on a metal surface covered with a pigmented layer29 Jul 2025US 12,371,797 B2
- Press element and method for manufacturing press elements9 Jul 2026US 2026/0192493 A1Unilin BV
- Method of manufacturing a floor board5 Feb 2026US 2026/0034829 A1Unilin BV
- Jewelry form factor with embedded functionality and adorned with embellishments2 Oct 2025US 2025/0308411 A1Notocard LLC
- Decorative Substrate, Preparation Method Therefor and Application Thereof10 Jul 2025US 2025/0222674 A1BYD Company Limited
- Methods for direct fabrication of appliances for palate expansion15 May 2025US 2025/0152307 A1Align Technology, Inc.
Most cited
By later US patents
- Method for producing replicated paving stone138US 5,372,676 A1994
- Dental appliance having ornamental design118US 10,201,409 B2Align Technology, Inc. · 2019
- Formation of packaging material94US 4,398,994 A1983
- Direct fabrication of aligners for palate expansion and other applications86US 10,959,810 B2Align Technology, Inc. · 2021
- Drug-delivery pumps and methods of manufacture65US 8,529,538 B2MiniPumps, LLC · 2013