- 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: 725
10-year publication summary
|
65
|
69
|
58
|
57
|
58
|
57
|
40
|
44
|
43
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Industrial Equipment Systems Co., Ltd. | 1519 |
40 |
| Mitsubishi Electric Corporation | 47556 |
24 |
| Halliburton Energy Services, Inc. | 21169 |
17 |
| LG Electronics Inc. | 74953 |
15 |
| Copeland LP | 690 |
14 |
| Caterpillar Inc. | 10118 |
12 |
| Daikin Industries, Ltd. | 10375 |
12 |
| Graco Minnesota Inc. | 1254 |
11 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 228 |
11 |
| Hitachi Construction Machinery Co., Ltd. | 2728 |
10 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 959 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9016 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 33462 |
8 |
| PENTAIR Flow Technologies, LLC | 173 |
8 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 467 |
8 |
| Denso Corporation | 25165 |
7 |
| Pentair Water Pool and Spa, Inc. | 435 |
7 |
| Ebara Corporation | 2271 |
6 |
| Danfoss A/S | 1395 |
6 |
| Murata Manufacturing Co., Ltd. | 25506 |
5 |
| Other owners | 485 |