- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 49/10 - Other safety measures
Patent holdings for IPC class F04B 49/10
Total number of patents in this class: 645
10-year publication summary
58
|
59
|
69
|
73
|
64
|
59
|
58
|
53
|
34
|
14
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
33 |
Mitsubishi Electric Corporation | 43934 |
23 |
Copeland LP | 656 |
14 |
Pentair Water Pool and Spa, Inc. | 457 |
12 |
Caterpillar Inc. | 8877 |
11 |
Graco Minnesota Inc. | 1124 |
11 |
LG Electronics Inc. | 69257 |
10 |
Daikin Industries, Ltd. | 9495 |
10 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
10 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 196 |
10 |
Halliburton Energy Services, Inc. | 20165 |
9 |
Hitachi Construction Machinery Co., Ltd. | 2498 |
9 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
8 |
Denso Corporation | 23338 |
7 |
Ebara Corporation | 1951 |
6 |
PENTAIR Flow Technologies, LLC | 167 |
6 |
Sanden Corporation | 859 |
6 |
Danfoss A/S | 1259 |
6 |
Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 138 |
6 |
Weatherford Technology Holdings, LLC | 2135 |
5 |
Other owners | 433 |