Evolution SA
Rorschach, CH· latest recorded location
Evolution SA is named on 7 US grants and 0 published applications in this corpus. Its most frequent classification is D01H (Spinning or twisting).
- Granted patents
- 7
- Published applications
- 0
- Inventors
- 6
- Granted in 2026 so far
- 0
- Most recent grant
- 7 Jul 1981
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
By publication year.
Technology areas
Share of 7 documents
Recent patents
- Electronically controlled system for making a multiply effect yarn7 Jul 1981US 4,276,739 A
- Apparatus for twisting a yarn19 Dec 1978US 4,129,979 A
- Thread monitoring switch for textile machines having magnet biasing lever to prevent any annoying thread flutter21 Feb 1978US 4,075,445 A
- Filament-winding mechanism10 Jan 1978US 4,067,507 A
- Method of and apparatus for twisting a yarn19 Oct 1976US 3,986,330 A
No published applications.
Most cited
By later US patents
- Thread monitoring switch for textile machines having magnet biasing lever to prevent any annoying thread flutter12US 4,075,445 A1978
- Method of and apparatus for twisting a yarn9US 3,986,330 A1976
- Apparatus for twisting a yarn6US 4,129,979 A1978
- Belt-type thread-supply apparatus4US 3,976,261 A1976
- Filament-winding mechanism1US 4,067,507 A1978