- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03G - Spring, weight, inertia, or like motors; mechanical-power-producing devices or mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G 7/00 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
Patent holdings for IPC class F03G 7/00
Total number of patents in this class: 751
10-year publication summary
|
56
|
64
|
64
|
67
|
55
|
56
|
70
|
48
|
57
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qwtip LLC | 55 |
14 |
| Koninklijke Philips N.V. | 23999 |
13 |
| Ormat Technologies, Inc. | 120 |
13 |
| Saltpower Holding ApS | 17 |
12 |
| Denso Corporation | 23769 |
10 |
| Energy Recovery, Inc. | 175 |
10 |
| Massachusetts Institute of Technology | 9913 |
9 |
| NGK Insulators, Ltd. | 4792 |
8 |
| General Compression, Inc. | 30 |
8 |
| Centre National de La Recherche Scientifique | 10102 |
7 |
| The Boeing Company | 19911 |
6 |
| Tsinghua University | 5705 |
6 |
| Central Motor Wheel Co., Ltd. | 91 |
6 |
| Korea Institute of Energy Research | 831 |
6 |
| Oakland University | 51 |
6 |
| Seoul National University R&db Foundation | 3312 |
6 |
| Ice Thermal Harvesting, LLC | 76 |
6 |
| Toyota Motor Corporation | 30455 |
5 |
| Hon Hai Precision Industry Co., Ltd. | 4043 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
5 |
| Other owners | 590 |