- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 49/10 - Other safety measures
Patent holdings for IPC class F04B 49/10
Total number of patents in this class: 683
10-year publication summary
|
59
|
69
|
73
|
64
|
59
|
59
|
55
|
42
|
44
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Industrial Equipment Systems Co., Ltd. | 1434 |
39 |
| Mitsubishi Electric Corporation | 45328 |
23 |
| Copeland LP | 681 |
14 |
| Halliburton Energy Services, Inc. | 20618 |
12 |
| Caterpillar Inc. | 9334 |
12 |
| Daikin Industries, Ltd. | 9932 |
12 |
| Graco Minnesota Inc. | 1174 |
11 |
| LG Electronics Inc. | 71809 |
10 |
| Hitachi Construction Machinery Co., Ltd. | 2609 |
10 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 863 |
10 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 212 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 8569 |
8 |
| Pentair Water Pool and Spa, Inc. | 441 |
8 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 439 |
8 |
| Denso Corporation | 23985 |
7 |
| PENTAIR Flow Technologies, LLC | 171 |
7 |
| Sanden Corporation | 941 |
6 |
| Danfoss A/S | 1341 |
6 |
| Ypsomed AG | 375 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 30429 |
5 |
| Other owners | 459 |