- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04D - Non-positive-displacement pumps
- F04D 29/00 - NON-POSITIVE-DISPLACEMENT PUMPS - Details, component parts, or accessories
Patent holdings for IPC class F04D 29/00
Total number of patents in this class: 796
10-year publication summary
43
|
48
|
50
|
82
|
99
|
73
|
82
|
71
|
77
|
20
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
18 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
18 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
15 |
Midea Group Co., Ltd. | 4025 |
14 |
LG Electronics Inc. | 69257 |
13 |
Rtx Corporation | 8674 |
13 |
Panasonic Corporation | 20786 |
12 |
GD Midea Environment Appliances MFG Co., Ltd. | 177 |
12 |
Baker Hughes Incorporated | 5689 |
11 |
Daikin Industries, Ltd. | 9495 |
11 |
Nidec Sankyo Corporation | 1117 |
10 |
Shenzhen Jisu Technology Co., Ltd. | 49 |
10 |
IHI Corporation | 3268 |
9 |
Safran Aircraft Engines | 5739 |
8 |
Delta Electronics, Inc. | 2401 |
7 |
Ebara Corporation | 1951 |
7 |
Opple Lighting Co., Ltd. | 698 |
7 |
Weir Minerals Australia, Ltd. | 309 |
7 |
Suzhou Opple Lighting Co., Ltd. | 479 |
7 |
Schlumberger Technology Corporation | 9690 |
6 |
Other owners | 581 |