B29D 11/0048
Moulds for lenses
Official title: {Moulds for lenses (moulds for plastic articles in general B29C33/00)}
B29D11/0048 (Moulds for lenses) appears on 704 US grants and 796 published applications in this corpus.
Search patents in B29D- Granted patents
- 704
- Published applications
- 796
- Assignees
- 332
- Inventors
- 1,587
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 5 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 3 |
| 2002 | 16 | 25 |
| 2003 | 14 | 14 |
| 2004 | 17 | 24 |
| 2005 | 15 | 15 |
| 2006 | 13 | 28 |
| 2007 | 10 | 29 |
| 2008 | 7 | 24 |
| 2009 | 12 | 22 |
| 2010 | 20 | 20 |
| 2011 | 10 | 14 |
| 2012 | 11 | 28 |
| 2013 | 17 | 40 |
| 2014 | 19 | 32 |
| 2015 | 21 | 34 |
| 2016 | 25 | 46 |
| 2017 | 38 | 38 |
| 2018 | 28 | 32 |
| 2019 | 39 | 34 |
| 2020 | 22 | 39 |
| 2021 | 34 | 50 |
| 2022 | 26 | 48 |
| 2023 | 42 | 48 |
| 2024 | 24 | 48 |
| 2025 | 43 | 36 |
| 2026 | 29 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29D 11/00528Consisting of two mould halves joined by an annular gasket141
- B29D 11/00538Feeding arrangements89
- B29D 11/005Having means for aligning the front and back moulds84
- B29D 11/00519Reusable moulds65
- B29D 11/00548With surfaces formed by films30
- B29D 11/00576With means to engage flash25
- B29D 11/00557With deformable mould walls21
- B29D 11/00567Wherein the mould forms part of the final package for lenses18
All 9 subgroupsShow fewer
Recent patents
- Apparatus and methods for molding rigid ocular lenses8 Sep 2026US 12,728,607 B2Menicon Co., Ltd.
- Method for making embedded hydrogel contact lenses25 Aug 2026US 12,715,186 B2Alcon Inc.
- Method for producing wettable silicone hydrogel contact lenses11 Aug 2026US 12,703,161 B2Alcon Inc.
- Method to manufacture a mold for lenses, and corresponding mold28 Jul 2026US 12,691,650 B2Leonardo Vision S.R.L.
- Method of producing mold for microlens array through cutting28 Jul 2026US 12,693,451 B2Nalux Co., Ltd.
- Manufacturing method of shaping metal mold24 Sep 2026US 2026/0287797 A1Enplas Corporation
- A method for fabricating an optic element17 Sep 2026US 2026/0273878 A1Agency for Science, Technology and Research
- Method and apparatus for manufacturing an optical element, optical element and optical system17 Sep 2026US 2026/0273879 A1Optotune Switzerland AG
- Ophthalmic lenses and their manufacture by in-mold modification17 Sep 2026US 2026/0276864 A1Johnson & Johnson Vision Care, Inc.
- Mold manufacturing method, optical member manufacturing method, and spectacle lens10 Sep 2026US 2026/0267165 A1Hoya Lens Thailand Ltd.
Most cited
By later US patents
- Method for forming optical lenses363US 4,197,266 ABausch & Lomb Incorporated · 1980
- Method for molding lenses214US 5,271,875 ABausch & Lomb Incorporated · 1993
- Process and apparatus for the manufacture of a contact lens214US 5,894,002 ACIBA Vision Corporation · 1999
- Method for manufacturing lenses209US 4,873,029 A1989
- Method for manufacturing lenses using thin coatings187US 5,219,497 AInnotech Corporation · 1993