AB Perma System
SE· latest recorded location
AB Perma System is named on 6 US grants and 0 published applications in this corpus. Its most frequent classification is E06B (Fixed or movable closures for openings in buildings, vehicles, fences or like).
- Granted patents
- 6
- Published applications
- 0
- Inventors
- 2
- Granted in 2026 so far
- 0
- Most recent grant
- 11 Sep 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
By publication year.
Technology areas
Share of 6 documents
Recent patents
- Angular gear for venetian blinds11 Sep 1990US 4,955,248 A
- Bearing bracket for outer-wall venetian blinds11 Jun 1985US 4,522,244 A
- Worm gear unit for venetian blinds or the like8 Jan 1985US D277,062 SDesign
- Angle gear device for venetian blinds9 Oct 1984US D275,828 SDesign
- Venetian blind tilt wand18 Sep 1984US D275,538 SDesign
No published applications.
Most cited
By later US patents