- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03C - Positive-displacement engines driven by liquids
- F03C 2/00 - Rotary-piston engines
Patent holdings for IPC class F03C 2/00
Total number of patents in this class: 795
10-year publication summary
|
93
|
73
|
54
|
46
|
45
|
36
|
32
|
7
|
0
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75406 |
67 |
| Copeland LP | 695 |
39 |
| Daikin Industries, Ltd. | 10413 |
25 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1527 |
23 |
| Hamilton Sundstrand Corporation | 5020 |
15 |
| Mitsubishi Electric Corporation | 47773 |
14 |
| Hitachi Astemo, Ltd. | 6416 |
13 |
| Mitsubishi Heavy Industries, Ltd. | 9049 |
12 |
| Panasonic Intellectual Property Management Co., Ltd. | 33893 |
12 |
| Bitzer Kuehlmaschinenbau GmbH | 156 |
11 |
| Edwards Limited | 779 |
11 |
| Fujitsu General Limited | 592 |
11 |
| Denso Corporation | 25395 |
10 |
| Carrier Corporation | 3963 |
9 |
| Schwabische Huttenwerke Automotive GmbH | 62 |
9 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 521 |
8 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 973 |
8 |
| CIRCOR Pumps North America, LLC | 36 |
8 |
| Kobelco Compressors Corporation | 68 |
8 |
| Robert Bosch GmbH | 43908 |
7 |
| Other owners | 475 |