- 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: 735
10-year publication summary
|
69
|
73
|
64
|
59
|
60
|
57
|
46
|
48
|
49
|
24
|
| 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. | 1541 |
40 |
| Mitsubishi Electric Corporation | 48018 |
24 |
| Halliburton Energy Services, Inc. | 21338 |
17 |
| LG Electronics Inc. | 75694 |
15 |
| Copeland LP | 700 |
14 |
| Caterpillar Inc. | 10267 |
13 |
| Daikin Industries, Ltd. | 10499 |
12 |
| Graco Minnesota Inc. | 1280 |
11 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
11 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 975 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
9 |
| Hitachi Construction Machinery Co., Ltd. | 2752 |
9 |
| Pentair Water Pool and Spa, Inc. | 434 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
8 |
| PENTAIR Flow Technologies, LLC | 176 |
8 |
| Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 474 |
8 |
| Denso Corporation | 25534 |
7 |
| Ebara Corporation | 2323 |
6 |
| Danfoss A/S | 1432 |
6 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3259 |
6 |
| Other owners | 492 |