B29D 11/00028
Bifocal lenses
Official title: {Bifocal lenses; Multifocal lenses}
B29D11/00028 (Bifocal lenses) appears on 147 US grants and 131 published applications in this corpus.
Search patents in B29D- Granted patents
- 147
- Published applications
- 131
- Assignees
- 72
- Inventors
- 279
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 3 | 5 |
| 2007 | 1 | 4 |
| 2008 | 1 | 7 |
| 2009 | 2 | 8 |
| 2010 | 7 | 8 |
| 2011 | 4 | 3 |
| 2012 | 6 | 5 |
| 2013 | 2 | 4 |
| 2014 | 3 | 9 |
| 2015 | 3 | 7 |
| 2016 | 7 | 6 |
| 2017 | 6 | 8 |
| 2018 | 3 | 4 |
| 2019 | 8 | 8 |
| 2020 | 6 | 2 |
| 2021 | 7 | 8 |
| 2022 | 0 | 5 |
| 2023 | 7 | 9 |
| 2024 | 6 | 6 |
| 2025 | 5 | 4 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of providing refractive microstructures on a surface of a spectacle lens and spectacle lens design6 Oct 2026US 12,752,503 B2Carl Zeiss Vision International GmbH
- Multifocal ophthalmic lens having a plurality of layers of cured polymerizable mixture25 Aug 2026US 12,717,169 B2Atheneum Optical Sciences, LLC
- Accommodating intraocular lens26 May 2026US 12,636,143 B2Shifamed Holdings, LLC
- Lens element7 Apr 2026US 12,596,269 B2Essilor International
- Shaping an ophthalmic lens3 Mar 2026US 12,565,017 B2Addon Optics Ltd.
- Diffractive multifocal contact lens30 Apr 2026US 2026/0118700 A1Alcon Inc.
- Composite contact lenses with ultrathin objects16 Apr 2026US 2026/0104598 A1Alcon Inc.
- Rotationally stabilized contact lens12 Feb 2026US 2026/0044019 A1OneFocus Vision, Inc.
- Methods of manufacture an optical element based upon an energy transmissibility pattern22 Jan 2026US 2026/0021631 A1Atheneum Optical Sciences, LLC
- Optical articles having embossed films defining encapsulated microlenses and methods of making the same16 Oct 2025US 2025/0319676 A1Essilor International
Most cited
By later US patents
- Method for manufacturing lenses209US 4,873,029 A1989
- Method for manufacturing lenses using thin coatings187US 5,219,497 AInnotech Corporation · 1993
- Method for forming plastic optical quality spectacle lenses183US 5,147,585 A1992
- Multifocal diffractive ophthalmic lens and method of manufacture159US 5,152,788 AMinnesota Mining and Manufacturing Company · 1992
- Method of manufacturing an electro-active lens145US 6,986,579 B2E-Vision, LLC · 2006