- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03G - Spring, weight, inertia, or like motorsmechanical-power-producing devices or mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G 1/02 - Spring motors characterised by shape or material of spring, e.g. helical, spiral, coil
Patent holdings for IPC class F03G 1/02
Total number of patents in this class: 94
10-year publication summary
|
11
|
10
|
11
|
21
|
16
|
13
|
11
|
10
|
10
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AUMA Riester GmbH + Co. KG | 110 |
5 |
| Raytheon Company | 8388 |
3 |
| Serpent Rural Sports LLC | 8 |
3 |
| LG Display Co., Ltd. | 13226 |
2 |
| Canon Inc. | 39538 |
2 |
| Massachusetts Institute of Technology | 10019 |
2 |
| Controls International, Inc. | 4 |
2 |
| Endo Kogyo Co., Ltd. | 8 |
2 |
| Kinetrol Limited | 20 |
2 |
| Preciflex SA | 57 |
2 |
| Rolex S.A. | 659 |
2 |
| Saudi Arabian Oil Company | 12891 |
2 |
| Shandong University of Science and Technology | 506 |
2 |
| Siemens Schweiz AG | 598 |
2 |
| Flowserve Pte. Ltd | 320 |
2 |
| Cleanmotion Sàrl | 3 |
2 |
| Shanghai Yinsheng Technology Co., Ltd. | 9 |
2 |
| Blue Economy CRC Co | 4 |
2 |
| Halliburton Energy Services, Inc. | 20769 |
1 |
| Robert Bosch GmbH | 42505 |
1 |
| Other owners | 51 |