B44C 1/22
Removing surface-material
Official title: Removing surface-material, e.g. by engraving, by etching {(for multi-layer articles B44C3/005)}
B44C1/22 (Removing surface-material) appears on 703 US grants and 826 published applications in this corpus.
Search patents in B44C- Granted patents
- 703
- Published applications
- 826
- Assignees
- 494
- Inventors
- 1,652
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 8 | 0 |
| 1995 | 13 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 12 | 0 |
| 1999 | 23 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 7 |
| 2002 | 21 | 18 |
| 2003 | 17 | 21 |
| 2004 | 17 | 24 |
| 2005 | 8 | 27 |
| 2006 | 9 | 31 |
| 2007 | 7 | 18 |
| 2008 | 8 | 27 |
| 2009 | 4 | 35 |
| 2010 | 10 | 29 |
| 2011 | 13 | 34 |
| 2012 | 21 | 44 |
| 2013 | 34 | 85 |
| 2014 | 56 | 57 |
| 2015 | 50 | 32 |
| 2016 | 29 | 36 |
| 2017 | 20 | 46 |
| 2018 | 28 | 42 |
| 2019 | 29 | 28 |
| 2020 | 29 | 30 |
| 2021 | 25 | 36 |
| 2022 | 20 | 32 |
| 2023 | 25 | 34 |
| 2024 | 19 | 23 |
| 2025 | 15 | 19 |
| 2026 | 17 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Decorative sheet, decorative-sheet-attached display device, sheet article, and method of manufacturing decorative sheet22 Sep 2026US 12,741,482 B2Dai Nippon Printing Co.Ltd.
- Method of manufacturing watch component, and watch component15 Sep 2026US 12,736,919 B2Seiko Epson Corporation
- Covering element, method for decorating a covering element, and machine for decorating a covering element23 Jun 2026US 12,661,924 B2Unilin BV
- Method for producing ceramic tiles2 Jun 2026US 12,643,834 B2Marazzi Group SRL
- System and method for restoring and aesthetically enhancing concrete surfaces19 May 2026US 12,629,808 B1
- Warm-up target for a laser engraver10 Sep 2026US 2026/0264169 A1Assa Abloy AB
- Press element and method for manufacturing press elements9 Jul 2026US 2026/0192493 A1Unilin BV
- Coloration via laser oxidation2 Jul 2026US 2026/0185238 A1Kohler Co.
- Method for producing an article, a module, and an apparatus25 Jun 2026US 2026/0175615 A1Leonhard Kurz Stiftung & Co. KG
- Method for engraving code patterns in a solid piece's tool surface11 Jun 2026US 2026/0158587 A1Boegli-Gravures S.A.
Most cited
By later US patents
- Conformal oxide dry etch186US 9,093,390 B2APPLIED Materials.Inc. · 2015
- Conformal oxide dry etch183US 8,801,952 B1APPLIED Materials.Inc. · 2014
- Laser marking system147US 5,932,119 ALazare Kaplan International, Inc. · 1999
- Method for producing replicated paving stone138US 5,372,676 A1994
- Floorboards with decorative grooves127US 7,137,229 B2Välinge Innovation AB · 2006