- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/057 - Bearings hydrodynamic
Patent holdings for IPC class F04D 29/057
Total number of patents in this class: 282
10-year publication summary
31
|
14
|
19
|
27
|
28
|
30
|
24
|
26
|
22
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 40953 |
21 |
Hamilton Sundstrand Corporation | 4525 |
16 |
IHI Corporation | 3268 |
10 |
Mitsubishi Heavy Industries Compressor Corporation | 613 |
9 |
Nidec Corporation | 2579 |
8 |
Haier Smart Home Co., Ltd. | 4882 |
8 |
Trane International Inc. | 1123 |
7 |
Technologies' Xanadu of resonatory-Solar-systemed Co., Ltd | 78 |
6 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
5 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
5 |
Venus Systems Limited | 5 |
5 |
LG Electronics Inc. | 69257 |
4 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
Delta Electronics, Inc. | 2401 |
4 |
NTN Corporation | 5008 |
4 |
BorgWarner Inc. | 2604 |
4 |
Edwards Limited | 764 |
4 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
4 |
Qingdao Haier Smart Technology R&D Co., Ltd. | 248 |
4 |
Bmts Technology GmbH & Co. KG | 79 |
4 |
Other owners | 146 |