B24B 13/0052
Lens block moulding devices
Official title: {Lens block moulding devices}
B24B13/0052 (Lens block moulding devices) appears on 47 US grants and 42 published applications in this corpus.
Search patents in B24B- Granted patents
- 47
- Published applications
- 42
- Assignees
- 28
- Inventors
- 114
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 5 |
| 2004 | 1 | 2 |
| 2005 | 6 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 4 | 1 |
| 2017 | 1 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 4 | 2 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 1 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Block mold and apparatus for blocking a lens2 Dec 2025US 12,485,514 B2Schneider GmbH & Co. KG
- Mandrel for use in the machining of ophthalmic lenses11 Nov 2025US 12,466,022 B2CooperVision International Limited
- Optical element blocking method and related device5 Aug 2025US 12,377,512 B2Essilor International
- Blocking device for a semi-finished optical element17 Dec 2024US 12,168,278 B2Essilor International
- Method of minimal stress inducing ophthalmic lens blocking1 Oct 2024US 12,103,131 B2NCRx Optical Solutions, Inc.
- Mandrel for use in the machining of ophthalmic lenses8 Jan 2026US 2026/0008243 A1CooperVision International Limited
- Mandrel for use in the machining of ophthalmic lenses3 Apr 2025US 2025/0108470 A1CooperVision International Limited
- Methods and apparatus relating to the machining of ophthalmic lenses31 Oct 2024US 2024/0359238 A1CooperVision International Limited
- Blocking piece and method for vacuum blocking a lens blank9 Mar 2023US 2023/0075451 A1Carl Zeiss Vision International GmbH
- Block mold and apparatus for blocking a lens10 Nov 2022US 2022/0355434 A1Schneider GmbH & Co. KG
Most cited
By later US patents
- Lens blocking apparatus39US 5,505,654 AGerber Optical, Inc. · 1996
- Polishing method for intraocular lens38US 6,729,939 B2Bausch & Lomb Incorporated · 2004
- Hot melt adhesive composition that melts at relatively low temperatures23US 5,326,413 APearle, Inc. · 1994
- Polycaprolactone lens blocking material22US 5,763,075 AMinnesota Mining and Manufacturing Company · 1998
- Blocking apparatus for fixing a metal block to the finished face of a semi-finished spectacle lens blank12US 4,372,368 AEssilor International (Compagnie Generale D Optique) · 1983