C03B 33/04
Cutting or splitting in curves, especially for making spectacle lenses
C03B33/04 (Cutting or splitting in curves, especially for making spectacle lenses) appears on 243 US grants and 231 published applications in this corpus.
Search patents in C03B- Granted patents
- 243
- Published applications
- 231
- Assignees
- 99
- Inventors
- 523
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 8 |
| 2003 | 5 | 7 |
| 2004 | 6 | 5 |
| 2005 | 1 | 3 |
| 2006 | 5 | 3 |
| 2007 | 0 | 1 |
| 2008 | 4 | 2 |
| 2009 | 0 | 12 |
| 2010 | 1 | 7 |
| 2011 | 4 | 5 |
| 2012 | 3 | 8 |
| 2013 | 9 | 3 |
| 2014 | 4 | 8 |
| 2015 | 4 | 21 |
| 2016 | 10 | 17 |
| 2017 | 6 | 12 |
| 2018 | 13 | 15 |
| 2019 | 11 | 21 |
| 2020 | 12 | 9 |
| 2021 | 13 | 17 |
| 2022 | 6 | 12 |
| 2023 | 8 | 9 |
| 2024 | 16 | 14 |
| 2025 | 11 | 4 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method and apparatus for producing hollow glass body products, and hollow glass body products and their use29 Jan 2026US 2026/0028263 A1Schott AG
Most cited
By later US patents
- Crack and scratch resistant glass and enclosures made therefrom172US 8,586,492 B2Corning Incorporated · 2013
- Method for laser-scribing brittle substrates and apparatus therefor139US 6,787,732 B1Seagate Technology LLC · 2004
- Combined laser-scribing and laser-breaking for shaping of brittle substrates122US 6,744,009 B1Seagate Technology LLC · 2004
- Method of separating strengthened glass109US 8,327,666 B2Corning Incorporated · 2012
- Method for manufacturing a magnetic disk104US 6,664,503 B1Asahi Glass Company, Limited · 2003