B24B 13/04
Grinding of lenses involving grinding wheels controlled by gearing
Official title: grinding of lenses involving grinding wheels controlled by gearing (B24B13/06 takes precedence)
B24B13/04 (Grinding of lenses involving grinding wheels controlled by gearing) appears on 101 US grants and 48 published applications in this corpus.
Search patents in B24B- Granted patents
- 101
- Published applications
- 48
- Assignees
- 71
- Inventors
- 165
- Latest grant
- 14 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 0 |
| 2003 | 3 | 3 |
| 2004 | 1 | 6 |
| 2005 | 2 | 4 |
| 2006 | 6 | 4 |
| 2007 | 3 | 3 |
| 2008 | 2 | 3 |
| 2009 | 4 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 3 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 3 |
| 2015 | 1 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 5 | 0 |
| 2019 | 3 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Spherical lens surface processing method and spherical lens surface processing apparatus with cup-shaped grinding stone14 Jun 2022US 11,358,250 B2Kojima Engineering Co., Ltd.
- Friction adjustment mechanisms for optimizing friction between a pad and a disc in an optical disc restoration device17 Dec 2019US 10,510,375 B2Venmill Industries Incorporated
- Device and method for machining of an optical lens10 Sep 2019US 10,406,646 B2Schneider GmbH & Co. KG
- Method for manufacturing lens, method for manufacturing molding die for lens, method for manufacturing mirror, method for manufacturing molding die for mirror, lens and molding die for lens23 Apr 2019US 10,265,831 B2Maxell, Ltd.
- Method for machining optical workpieces, in particular, plastic spectacle lenses30 Oct 2018US 10,112,280 B2Satisloh AG
- Device for polishing an optical surface of optical lenses, polishing machine and method for polishing5 Dec 2024US 2024/0399533 A1Optodor GmbH
- Method and Device for Finely Machining Axicons, Fine Machining Device Suitable for this Purpose,and Use Thereof22 Feb 2024US 2024/0058919 A1Satisloh AG
- Spherical lens surface processing method and spherical lens surface processing apparatus with cup-shaped grinding stone9 Sep 2021US 2021/0276139 A1Kojima Engineering Co., Ltd.
- Friction Adjustment Mechanisms for Optimizing Friction Between a Pad and a Disc in an Optical Disc Restoration Device, and Systems and Methods Thereof23 Nov 2017US 2017/0337947 A1Venmill Industries Incorporated
- Method for manufacturing rotational non-axisymmetric lens, method for manufacturing rotational non-axisymmetric lens molding die, method for manufacturing rotational non-axisymmetric surface mirror, and method for manufacturing rotational non-axisymmetric surface mirror molding die16 Nov 2017US 2017/0326705 A1Hitachi Maxell, Ltd.
Most cited
By later US patents
- Method for the manufacture of contact lenses179US 5,114,628 ACiba-Geigy Corporation · 1992
- Hydrolytically stable grooved polishing pads for chemical mechanical planarization73US 6,749,485 B1Rodel Holdings, Inc. · 2004
- Omega-X micromachining system63US 4,083,272 AThe United States of America as represented by the United States Department of Energy · 1978
- Toric lenses, method and apparatus for making same42US 4,680,998 ABausch & Lomb Incorporated · 1987
- Method and apparatus for lens turning36US 4,084,459 ABausch & Lomb Incorporated · 1978