- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/356 - Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups , , , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
Patent holdings for IPC class F04C 18/356
Total number of patents in this class: 628
10-year publication summary
43
|
47
|
66
|
56
|
63
|
49
|
47
|
37
|
44
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
88 |
LG Electronics Inc. | 69257 |
68 |
Toshiba Carrier Corporation | 567 |
65 |
Fujitsu General Limited | 541 |
56 |
Daikin Industries, Ltd. | 9495 |
38 |
GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 155 |
33 |
Guangdong Meizhi Compressor Co., Ltd. | 157 |
33 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
28 |
Panasonic Corporation | 20786 |
27 |
Green Refrigeration Equipment Engineering Research Center of Zhuhai GREE Co., Ltd. | 74 |
22 |
Samsung Electronics Co., Ltd. | 131630 |
19 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
18 |
Anhui Meizhi Precision Manufacturing Co., Ltd. | 48 |
7 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
6 |
Shanghai Highly Electrical Appliances Co., Ltd. | 18 |
6 |
Sanyo Electric Co., Ltd. | 3926 |
5 |
Forum US, Inc. | 315 |
5 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
5 |
Guang Dong MEI Zhi Refrigeration Equipment Co., Ltd | 5 |
5 |
Zhuhai Landa Compressor Co., Ltd. | 17 |
5 |
Other owners | 89 |