B24B 13/0012
Machines or devices designed for grinding or polishing optical surfaces on lenses
Official title: {for multifocal lenses}
B24B13/0012 (Machines or devices designed for grinding or polishing optical surfaces on lenses) appears on 21 US grants and 24 published applications in this corpus.
Search patents in B24B- Granted patents
- 21
- Published applications
- 24
- Assignees
- 20
- Inventors
- 58
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 2 | 3 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Optical lens16 Sep 2025US 12,416,819 B2Essilor International
- Loading system for an optical machine, in particular for loading and unloading optical workpieces, such as eyeglass lenses, and deblocking apparatus comprising a loading system of this type1 Jul 2025US 12,343,838 B2Satisloh AG
- Spectacle lens producing method, spectacle lens producing system, and spectacle lens26 Nov 2024US 12,151,333 B2Hoya Lens Thailand Ltd.
- Methods and systems for producing ophthalmic lenses background12 Nov 2024US 12,138,744 B2Essilor International
- Spectacle lens producing method, spectacle lens producing system, and spectacle lens1 Aug 2023US 11,712,774 B2Hoya Lens Thailand Ltd.
- Spectacle lens producing method, spectacle lens producing system, and spectacle lens6 Feb 2025US 2025/0041982 A1Hoya Lens Thailand Ltd.
- Method for Machining Optical Workpieces, in Particular Spectacle Lenses Made of Plastic14 Nov 2024US 2024/0375237 A1Satisloh AG
- Polishing tool, polishing system and method of polishing17 Oct 2024US 2024/0342850 A1
- Loading System for an Optical Machine, in Particular for Loading and Unloading Optical Workpieces, such as Eyeglass Lenses, and Deblocking Apparatus Comprising a Loading System of this Type8 Feb 2024US 2024/0042563 A1Satisloh AG
- Optical Machine for Treatment and/or Processing Optical Workpieces, such as Ophthalmic Lenses, and Deblocking Apparatus and Deblocking Method for Same2 Nov 2023US 2023/0347468 A1Satisloh AG
Most cited
By later US patents
- Bifocal contact lenses15US 5,430,504 AHecht Contactlinsen GmbH · 1995
- Cavity forming in plastic body13US 5,148,632 ACorning Incorporated · 1992
- High-speed cutting process for generating desired curved surface on workpiece8US 7,168,351 B2Seibu Electric & Machinery Co., Ltd. · 2007
- Method for producing bifocal contact lenses6US 5,074,082 A1991
- Method for producing a multifocal correction lens, and system for implementing same6US 6,382,790 B12002