E04G 21/061
By applying vacuum or vacuum combined with vibration
Official title: {by applying vacuum or vacuum combined with vibration}
E04G21/061 (By applying vacuum or vacuum combined with vibration) appears on 2 US grants and 0 published applications in this corpus.
Search patents in E04G- Granted patents
- 2
- Published applications
- 0
- Assignees
- 1
- Inventors
- 1
- Latest grant
- 12 May 1981
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents