G03B 27/28
Edge-masking devices
G03B27/28 (Edge-masking devices) appears on 5 US grants and 2 published applications in this corpus.
Search patents in G03B- Granted patents
- 5
- Published applications
- 2
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 29 Nov 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Intermediate film identifier marking29 Nov 2011US 8,068,207 B2Thomson Licensing
- Method and apparatus for lens contamination control21 Jul 2009US 7,564,556 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Automatic masking device2 Apr 1991US 5,005,044 ADainippon Screen Mfg.Co., Ltd.
- Device for forming graphics12 May 1981US 4,266,863 AMinnesota Mining and Manufacturing Company
- Copying machine document folder9 Nov 1976US 3,990,794 ARank Xerox Ltd.
Most cited
By later US patents
- Device for forming graphics53US 4,266,863 AMinnesota Mining and Manufacturing Company · 1981
- Method and apparatus for lens contamination control6US 7,564,556 B2Taiwan Semiconductor Manufacturing Company.Ltd · 2009
- Copying machine document folder3US 3,990,794 ARank Xerox Ltd. · 1976
- Automatic masking device2US 5,005,044 ADainippon Screen Mfg.Co., Ltd. · 1991