G04C 3/021
Using mechanical coupling
Official title: {using mechanical coupling (using more than one pendulum G04C3/025; using torsion pendulums G04C3/033; using conical pendulums G04C3/0335)}
G04C3/021 (Using mechanical coupling) appears on 2 US grants and 2 published applications in this corpus.
Search patents in G04C- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 2 Apr 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
Most cited
By later US patents