- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 39/10 - Adaptation or arrangement of distribution members
Patent holdings for IPC class F04B 39/10
Total number of patents in this class: 884
10-year publication summary
|
83
|
87
|
100
|
81
|
77
|
53
|
59
|
52
|
37
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 70898 |
56 |
| Nuovo Pignone Tecnologie S.r.l. | 852 |
25 |
| Burckhardt Compression AG | 116 |
22 |
| Whirlpool S.A. | 368 |
21 |
| Sanden Corporation | 920 |
20 |
| Panasonic Corporation | 20327 |
15 |
| Robert Bosch GmbH | 41717 |
14 |
| Mitsubishi Electric Corporation | 44738 |
14 |
| Doowon Technical College | 100 |
14 |
| Doowon Electronics Co., Ltd. | 86 |
13 |
| Copeland LP | 674 |
13 |
| Murata Manufacturing Co., Ltd. | 23648 |
11 |
| Dresser-Rand Company | 217 |
11 |
| Graco Minnesota Inc. | 1162 |
11 |
| Hanon Systems | 1814 |
10 |
| Valeo Japan Co., Ltd. | 296 |
10 |
| Zahroof Valves Inc. | 14 |
10 |
| Kerr Machine Co. | 117 |
10 |
| Kabushiki Kaisha Toyota Jidoshokki | 1730 |
10 |
| Denso Corporation | 23721 |
8 |
| Other owners | 566 |