B23B 2247/02
Jigs for drilling spectacles
B23B2247/02 (Jigs for drilling spectacles) appears on 4 US grants and 1 published applications in this corpus.
Search patents in B23B- Granted patents
- 4
- Published applications
- 1
- Assignees
- 4
- Inventors
- 8
- Latest grant
- 13 May 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Spectacles lens boring jig positioning device13 May 2003US 6,561,738 B1Hoya Corporation
- Drill jig for spectacle lens manufacture jig thereof, method of drilling for spectacle lens, and spectacle lens12 Jun 2001US 6,244,792 B1Hoya Corporation
- Template for the lens of a pair of glasses29 Aug 2000US 6,110,029 AOptische Werke G. Rodenstock
- Lens drill guide31 Mar 1998US 5,733,077 AThe Hilsinger Company
Most cited
By later US patents
- Lens drill guide26US 5,733,077 AThe Hilsinger Company · 1998
- Spectacles lens boring jig positioning device6US 6,561,738 B1Hoya Corporation · 2003
- Drill jig for spectacle lens manufacture jig thereof, method of drilling for spectacle lens, and spectacle lens4US 6,244,792 B1Hoya Corporation · 2001
- Template for the lens of a pair of glasses1US 6,110,029 AOptische Werke G. Rodenstock · 2000