- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 7/00 - Rotary-piston machines or engines with fluid ring or the like
Patent holdings for IPC class F01C 7/00
Total number of patents in this class: 16
10-year publication summary
|
2
|
1
|
3
|
0
|
0
|
1
|
0
|
1
|
2
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Agam Energy Systems Ltd. | 11 |
4 |
| United Technologies Corporation | 2328 |
3 |
| Pratt & Whitney Canada Corp. | 4215 |
1 |
| Edwards Limited | 764 |
1 |
| GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 155 |
1 |
| Ohio State Innovation Foundation | 1770 |
1 |
| The Ohio State University Research Foundation | 581 |
1 |
| SMC Corporation | 1354 |
1 |
| GE Infrastructure Technology, LLC | 5873 |
1 |
| Rengine Dynatech Co., Ltd. | 1 |
1 |
| Nguyen, Van Minh | 1 |
1 |
| Other owners | 0 |