G11B 23/22
Of endless belts
Official title: of endless belts; of tapes forming Moebius loops
G11B23/22 (Of endless belts) appears on 5 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 5
- Published applications
- 0
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 25 May 1993
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 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 | 1 | 0 |
| 1993 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for the series production of moebius-type ribbons25 May 1993US 5,212,884 ASM Engineering AG
- Method of manufacturing an endless tape13 Oct 1992US 5,154,786 ASony Magnescale Inc.
- Tape transport apparatus and method of introducing tape thereto19 Nov 1991US 5,066,347 AOtari Electric Company, Ltd.
- Apparatus for splicing the ends of magnetic tape wound on spools of the type used in endless tape cartridges13 Nov 1979US 4,174,247 AInternational Audio Visual, Inc.
- Magnetic tape splicer24 Jul 1979US 4,162,183 A
No published applications in this class yet.
Most cited
By later US patents
- Apparatus for splicing the ends of magnetic tape wound on spools of the type used in endless tape cartridges5US 4,174,247 AInternational Audio Visual, Inc. · 1979
- Magnetic tape splicer4US 4,162,183 A1979
- Tape transport apparatus and method of introducing tape thereto2US 5,066,347 AOtari Electric Company, Ltd. · 1991
- Device for the series production of moebius-type ribbons2US 5,212,884 ASM Engineering AG · 1993
- Method of manufacturing an endless tape1US 5,154,786 ASony Magnescale Inc. · 1992