- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 21/06 - HeatingCoolingHeat insulation
Patent holdings for IPC class F01C 21/06
Total number of patents in this class: 134
10-year publication summary
|
11
|
14
|
9
|
16
|
10
|
6
|
6
|
6
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Pratt & Whitney Canada Corp. | 5528 |
43 |
| Panasonic Corporation | 18751 |
5 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1555 |
5 |
| LG Electronics Inc. | 75973 |
4 |
| Daikin Industries, Ltd. | 10509 |
4 |
| ING. ENEA MATTEI S.p.A. | 22 |
4 |
| LiquidPiston, Inc. | 50 |
4 |
| AVL List GmbH | 1333 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
2 |
| Hamilton Sundstrand Corporation | 5013 |
2 |
| LifeCell Corporation | 340 |
2 |
| Uav Engines Ltd | 10 |
2 |
| RapSon GmbH | 3 |
2 |
| Thermo King LLC | 476 |
2 |
| Argyle Earth Inc | 3 |
2 |
| Air Squared, LLC | 31 |
2 |
| Lumenium Power LLC | 9 |
2 |
| Honeywell International Inc. | 12770 |
1 |
| Mitsubishi Heavy Industries, Ltd. | 9188 |
1 |
| Robert Bosch GmbH | 44291 |
1 |
| Other owners | 41 |