- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 2645
10-year publication summary
|
224
|
237
|
240
|
241
|
203
|
177
|
176
|
176
|
154
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 70831 |
193 |
| Daikin Industries, Ltd. | 9766 |
116 |
| Sanden Corporation | 919 |
93 |
| Mitsubishi Electric Corporation | 44678 |
91 |
| Panasonic Corporation | 20339 |
68 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
67 |
| Arcelik A.S. | 3570 |
66 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 835 |
63 |
| Mitsubishi Heavy Industries, Ltd. | 8504 |
56 |
| Whirlpool S.A. | 368 |
54 |
| Sanden Automotive Components Corporation | 158 |
37 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1400 |
32 |
| Denso Corporation | 23692 |
31 |
| Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd. | 101 |
28 |
| Hanon Systems | 1810 |
26 |
| Anhui Meizhi Compressor Co., Ltd. | 57 |
25 |
| Panasonic Appliances Refrigeration Devices Singapore | 32 |
24 |
| Carrier Corporation | 4443 |
23 |
| Valeo Japan Co., Ltd. | 296 |
21 |
| Haier US Appliance Solutions, Inc. | 3319 |
20 |
| Other owners | 1511 |