G04C 3/0276
The pendulum controlling indirectly, i.e. without mechanical connection, contacts
Official title: {the pendulum controlling indirectly, i.e. without mechanical connection, contacts, e.g. by magnetic or optic means}
G04C3/0276 (The pendulum controlling indirectly, i.e. without mechanical connection, contacts) appears on 4 US grants and 1 published applications in this corpus.
Search patents in G04C- Granted patents
- 4
- Published applications
- 1
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
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| 1985 | 0 | 0 |
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| 2003 | 0 | 0 |
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| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pendulum, particularly for use in a clock16 Dec 2025US 12,498,670 B2
- Structure of a ultrathin clock15 Aug 1995US 5,442,601 A
- Electromagnetic drive circuit12 Sep 1989US 4,866,564 ASeikosha Co., Ltd.
- Mechanically operating pendulum clock with an electronic correcting device8 Apr 1980US 4,196,579 AUrgos Uhrenfabrik Schwenningen a.N. Haller, Jauch und Pabst
Most cited
By later US patents