- 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: 2589
10-year publication summary
|
202
|
224
|
237
|
240
|
240
|
203
|
175
|
170
|
169
|
58
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
189 |
| Daikin Industries, Ltd. | 9495 |
115 |
| Mitsubishi Electric Corporation | 43934 |
91 |
| Sanden Corporation | 859 |
82 |
| Arcelik A.S. | 3617 |
68 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
64 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
59 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
54 |
| Whirlpool S.A. | 377 |
54 |
| Panasonic Appliances Refrigeration Devices Singapore | 89 |
53 |
| Panasonic Corporation | 20786 |
40 |
| Sanden Automotive Components Corporation | 158 |
37 |
| Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 138 |
34 |
| Denso Corporation | 23338 |
31 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
30 |
| Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd. | 101 |
28 |
| Carrier Corporation | 4759 |
25 |
| Hanon Systems | 1632 |
25 |
| Anhui Meizhi Compressor Co., Ltd. | 49 |
24 |
| Valeo Japan Co., Ltd. | 292 |
21 |
| Other owners | 1465 |