- 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: 1960
10-year publication summary
|
169
|
161
|
165
|
119
|
121
|
103
|
110
|
97
|
118
|
94
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76219 |
301 |
| Haier US Appliance Solutions, Inc. | 4147 |
44 |
| Toyota Industries Corporation | 1237 |
36 |
| Whirlpool S.A. | 332 |
35 |
| Hanon Systems | 2137 |
31 |
| Samsung Electronics Co., Ltd. | 159298 |
30 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 990 |
29 |
| Robert Bosch GmbH | 44363 |
24 |
| Mitsubishi Electric Corporation | 48409 |
21 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1561 |
20 |
| Copeland LP | 716 |
19 |
| Graco Minnesota Inc. | 1288 |
18 |
| Atlas Copco Airpower, naamloze vennootschap | 1083 |
17 |
| US Well Services LLC | 225 |
17 |
| Panasonic Corporation | 18658 |
16 |
| Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 82 |
15 |
| Denso Corporation | 25799 |
14 |
| Arcelik A.S. | 3366 |
14 |
| BSH Bosch und Siemens Hausgerate GmbH | 2386 |
14 |
| Sunonwealth Electric Machine Industry Co., Ltd. | 179 |
14 |
| Other owners | 1231 |