- 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 18/324 - 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 both the movement defined in group and relative reciprocation between the co-operating members with vanes hinged to the inner member and reciprocating with respect to the outer member
Patent holdings for IPC class F04C 18/324
Total number of patents in this class: 39
10-year publication summary
1
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2
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4
|
1
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2
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7
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4
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4
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1
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Electronics Inc. | 69257 |
14 |
Panasonic Corporation | 20786 |
5 |
Mitsubishi Electric Corporation | 43934 |
2 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
Daikin Industries, Ltd. | 9495 |
2 |
Fujitsu General Limited | 541 |
2 |
Toshiba Corporation | 12017 |
1 |
GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 155 |
1 |
Green Refrigeration Equipment Engineering Research Center of Zhuhai GREE Co., Ltd. | 74 |
1 |
Halla Visteon Climate Control Corp. | 46 |
1 |
Nabtesco Automotive Corporation | 127 |
1 |
Nanyang Technological University | 1739 |
1 |
Toshiba Carrier Corporation | 567 |
1 |
WB Development Company, LLC | 17 |
1 |
Windtrans Systems Ltd. | 7 |
1 |
Pars Maina Sanayi ve Ticaret Limited Sirketi | 1 |
1 |
Anhui Meizhi Precision Manufacturing Co., Ltd. | 48 |
1 |
SEO Yeong Pile Tech Co., Ltd | 1 |
1 |
Other owners | 0 |