CUV "Progress"
Sofia, BG· latest recorded location
CUV "Progress" is named on 6 US grants and 0 published applications in this corpus. Its most frequent classification is B23K (Soldering or unsoldering).
- Granted patents
- 6
- Published applications
- 0
- Inventors
- 26
- Granted in 2026 so far
- 0
- Most recent grant
- 30 Jul 1985
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
By publication year.
Technology areas
Share of 6 documents
Recent patents
- Method and apparatus for producing electrical energy from a cyclic combustion process utilizing coupled pistons which reciprocate in unison30 Jul 1985US 4,532,431 A
- Printing device27 Sep 1983US 4,406,552 A
- Keyboard device for processing linguistic information12 Jan 1982US 4,310,254 A
- Planetary wire-feeding device14 Apr 1981US 4,261,499 A
- Apparatus for planetary feeding of electrode wire11 Dec 1979US 4,177,912 A
No published applications.
Most cited
By later US patents
- Method and apparatus for producing electrical energy from a cyclic combustion process utilizing coupled pistons which reciprocate in unison73US 4,532,431 A1985
- Apparatus for planetary feeding of electrode wire18US 4,177,912 A1979
- Keyboard device for processing linguistic information17US 4,310,254 A1982
- Planetary wire-feeding device15US 4,261,499 A1981
- Printing device3US 4,406,552 A1983