- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- 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: 1839
10-year publication summary
|
158
|
169
|
161
|
165
|
119
|
121
|
98
|
105
|
87
|
42
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 72473 |
275 |
| Haier US Appliance Solutions, Inc. | 3566 |
40 |
| Whirlpool S.A. | 363 |
38 |
| Toyota Industries Corporation | 1092 |
34 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 882 |
29 |
| BSH Bosch und Siemens Hausgerate GmbH | 2929 |
28 |
| Samsung Electronics Co., Ltd. | 144143 |
26 |
| Hanon Systems | 1894 |
26 |
| Mitsubishi Electric Corporation | 45811 |
21 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1451 |
19 |
| Copeland LP | 686 |
19 |
| US Well Services LLC | 226 |
17 |
| Panasonic Corporation | 20173 |
16 |
| Denso Corporation | 24120 |
15 |
| Atlas Copco Airpower, naamloze vennootschap | 1017 |
15 |
| Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 85 |
15 |
| Robert Bosch GmbH | 42450 |
14 |
| Arcelik A.S. | 3516 |
14 |
| Sunonwealth Electric Machine Industry Co., Ltd. | 186 |
14 |
| Mitsubishi Heavy Industries, Ltd. | 8647 |
13 |
| Other owners | 1151 |