- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 39/00 - Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups
Patent holdings for IPC class F04B 39/00
Total number of patents in this class: 2864
10-year publication summary
|
237
|
240
|
242
|
204
|
177
|
183
|
179
|
165
|
161
|
142
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76087 |
217 |
| Daikin Industries, Ltd. | 10514 |
112 |
| Sanden Corporation | 1056 |
94 |
| Mitsubishi Electric Corporation | 48351 |
91 |
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
70 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 986 |
68 |
| Panasonic Corporation | 18716 |
61 |
| Arcelik A.S. | 3366 |
60 |
| Mitsubishi Heavy Industries, Ltd. | 9204 |
59 |
| Whirlpool S.A. | 332 |
47 |
| Sanden Automotive Components Corporation | 157 |
37 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1557 |
35 |
| Denso Corporation | 25746 |
33 |
| Hanon Systems | 2133 |
30 |
| Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd. | 101 |
28 |
| Anhui Meizhi Compressor Co., Ltd. | 71 |
28 |
| Panasonic Appliances Refrigeration Devices Singapore | 32 |
24 |
| Samsung Electronics Co., Ltd. | 159029 |
23 |
| Robert Bosch GmbH | 44327 |
23 |
| Valeo Japan Co., Ltd. | 309 |
23 |
| Other owners | 1701 |