- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 35/04 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
Patent holdings for IPC class F04B 35/04
Total number of patents in this class: 1808
10-year publication summary
164
|
158
|
169
|
160
|
165
|
118
|
119
|
92
|
98
|
24
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Electronics Inc. | 69257 |
272 |
Whirlpool S.A. | 377 |
39 |
Haier US Appliance Solutions, Inc. | 3178 |
38 |
BSH Bosch und Siemens Hausgerate GmbH | 3236 |
37 |
Toyota Industries Corporation | 1010 |
33 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
29 |
Hanon Systems | 1632 |
25 |
Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 138 |
24 |
Mitsubishi Electric Corporation | 43934 |
22 |
Copeland LP | 656 |
19 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
18 |
Denso Corporation | 23338 |
17 |
Sunonwealth Electric Machine Industry Co., Ltd. | 193 |
16 |
Robert Bosch GmbH | 40953 |
15 |
Panasonic Appliances Refrigeration Devices Singapore | 89 |
15 |
Arcelik A.S. | 3617 |
14 |
US Well Services LLC | 212 |
14 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
13 |
Baker Hughes Holdings LLC | 3060 |
13 |
Hitachi Automotive Systems, Ltd. | 3970 |
12 |
Other owners | 1123 |