- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 20/18 - Control of, monitoring of, or safety arrangements for, machines or engines characterised by varying the volume of the working chamber
Patent holdings for IPC class F01C 20/18
Total number of patents in this class: 33
10-year publication summary
|
1
|
2
|
2
|
2
|
1
|
1
|
0
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6443 |
7 |
| Pratt & Whitney Canada Corp. | 5627 |
2 |
| Daikin Industries, Ltd. | 10546 |
2 |
| Purdue Research Foundation | 3993 |
2 |
| Hanon Systems EFP Canada Ltd. | 69 |
2 |
| Johnson Electric Motion Technology Canada Ltd. | 17 |
2 |
| LG Electronics Inc. | 76328 |
1 |
| Robert Bosch GmbH | 44427 |
1 |
| Hamilton Sundstrand Corporation | 5012 |
1 |
| Compagnie générale des établissements Michelin SCA | 2755 |
1 |
| Jiangsu University | 1179 |
1 |
| KYB Corporation | 1443 |
1 |
| MAHLE International GmbH | 2931 |
1 |
| MIBA Sinter Holding GmbH & Co KG | 1 |
1 |
| Stackpole International Engineered Products, Ltd. | 20 |
1 |
| Torad Engineering, LLC | 9 |
1 |
| Woodward, Inc. | 679 |
1 |
| Shanghai Highly Electrical Appliances Co., Ltd. | 49 |
1 |
| Kabushiki Kaisha Toyota Jidoshokki | 1839 |
1 |
| ThermalTech Holdings, LLC | 1 |
1 |
| Other owners | 2 |