B41L 1/14
Severing edge perforations from webs
B41L1/14 (Severing edge perforations from webs) appears on 9 US grants and 0 published applications in this corpus.
Search patents in B41L- Granted patents
- 9
- Published applications
- 0
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 7 Apr 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Computer tractor rail paper margin stripper7 Apr 1992US 5,102,025 A
- Computer paper tab stripper17 Dec 1991US 5,072,869 A
- Device for separating perforated strips from paper sheets12 Dec 1989US 4,886,198 A
- Apparatus and methods for removing margin portions from perforated flexible sheet materials8 Nov 1988US 4,782,986 A
- Desk clamping device or decollator for tearing off strip side edges14 Apr 1987US 4,657,163 AIdetra B.V.
No published applications in this class yet.
Most cited
By later US patents
- Margin stripper13US 4,529,113 A1985
- Apparatus for making labels12US 4,572,686 AKanzaki Paper Mfg. Co., Ltd. · 1986
- Device for separating perforated strips from paper sheets12US 4,886,198 A1989
- Desk clamping device or decollator for tearing off strip side edges10US 4,657,163 AIdetra B.V. · 1987
- Apparatus and methods for removing margin portions from perforated flexible sheet materials10US 4,782,986 A1988