B29D 11/0025
Removing impurities from contact lenses
Official title: {Removing impurities from contact lenses, e.g. leaching}
B29D11/0025 (Removing impurities from contact lenses) appears on 50 US grants and 65 published applications in this corpus.
Search patents in B29D- Granted patents
- 50
- Published applications
- 65
- Assignees
- 14
- Inventors
- 145
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 17 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 3 | 2 |
| 2014 | 3 | 5 |
| 2015 | 2 | 0 |
| 2016 | 5 | 2 |
| 2017 | 3 | 4 |
| 2018 | 1 | 3 |
| 2019 | 2 | 5 |
| 2020 | 4 | 4 |
| 2021 | 3 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ophthalmic lenses and their manufacture by in-mold modification26 May 2026US 12,638,613 B2Johnson & Johnson Vision Care, Inc.
- Production line for the production of ophthalmic lenses6 Jan 2026US 12,515,424 B2Alcon Inc.
- Production line for the production of ophthalmic lenses17 Jun 2025US 12,330,384 B2Alcon Inc.
- Microfluidic device and method for quantifying contact lens deposition2 Jan 2024US 11,861,823 B2Johnson & Johnson Vision Care, Inc.
- Method for making coated silicone hydrogel contact lenses4 Oct 2022US 11,459,479 B2Alcon Inc.
- Ophthalmic lenses and their manufacture by in-mold modification17 Sep 2026US 2026/0276864 A1Johnson & Johnson Vision Care, Inc.
- A sterile contact lens 3d printing method and device18 Jun 2026US 2026/0166825 A1
- Production line for the production of ophthalmic lenses7 May 2026US 2026/0124815 A1Alcon Inc.
- Forming method of contact lens, contact lens assembly, and contact lens product26 Feb 2026US 2026/0053245 A1Pegavision Corporation
- Production line for the production of ophthalmic lenses2 Oct 2025US 2025/0303653 A1Alcon Inc.
Most cited
By later US patents
- Chamber for hydrating contact lenses97US 5,094,609 AVistakon, Inc. · 1992
- Wettable silicone hydrogel contact lenses and related compositions and methods67US 8,231,218 B2CooperVision International Holding Company, LP · 2012
- System and method for treating articles with fluids46US 6,884,457 B2Novartis AG · 2005
- Automated method and apparatus for single sided hydration of soft contact lenses in package carriers35US 6,071,112 AJohnson & Johnson Vision Products, Inc. · 2000
- Apparatus for hydrating soft contact lenses29US 5,476,111 AJohnson & Johnson Vision Products, Inc. · 1995