G11B 15/285
Through pneumatic means
Official title: {through pneumatic means}
G11B15/285 (Through pneumatic means) appears on 8 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 8
- Published applications
- 0
- Assignees
- 7
- Inventors
- 10
- Latest grant
- 24 Sep 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 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 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Controlling tension in recording media24 Sep 2002US 6,454,197 B1ECRM Incorporated
- Tape handling apparatus22 Aug 1989US 4,858,808 ACetec Corporation
- Capstan drive system for driving tape record media, and having internally mounted transducer head means5 May 1981US 4,266,255 AIIT Research Institute
- Sound motion picture system having concentrated audio system22 Jul 1980US 4,214,285 APolaroid Corporation
- Tape advancing methods and apparatus25 Mar 1980US 4,194,661 ABell & Howell Company
No published applications in this class yet.
Most cited
By later US patents
- Capstan19US 4,065,044 A1977
- Capstan drive system for driving tape record media, and having internally mounted transducer head means12US 4,266,255 AIIT Research Institute · 1981
- Controlling tension in recording media10US 6,454,197 B1ECRM Incorporated · 2002
- Low inertia capstan8US 3,930,603 AAmpex Corporation · 1976
- Tape advancing methods and apparatus8US 4,194,661 ABell & Howell Company · 1980