G04D 1/042
For coil springs in regulating mechanisms
Official title: {for coil springs in regulating mechanisms (machines therefor G04D3/0041)}
G04D1/042 (For coil springs in regulating mechanisms) appears on 2 US grants and 2 published applications in this corpus.
Search patents in G04D- Granted patents
- 2
- Published applications
- 2
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 27 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year.
Subgroups
Granted patents
Recent patents
Most cited
By later US patents
No patent in this class has been cited by a later US patent yet.