- 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 28/22 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the volume of the working chamber by changing the eccentricity between cooperating members
Patent holdings for IPC class F04C 28/22
Total number of patents in this class: 36
10-year publication summary
1
|
1
|
0
|
11
|
9
|
7
|
0
|
1
|
2
|
1
|
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 |
Hanon Systems | 1632 |
5 |
Samsung Electronics Co., Ltd. | 131630 |
2 |
GREE Green Refrigeration Technology Center Co., Ltd. of Zhuhai | 155 |
2 |
Trane International Inc. | 1123 |
2 |
Concentric Birmingham Limited | 6 |
1 |
Emerson Climate Technologies, Inc. | 308 |
1 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
1 |
Korea Atomic Energy Research Institute | 418 |
1 |
Magna Powertrain Inc. | 120 |
1 |
MIBA Sinter Holding GmbH & Co KG | 2 |
1 |
Stackpole International Engineered Products, Ltd. | 46 |
1 |
Tianjin University | 695 |
1 |
Yamada Manufacturing Co., Ltd. | 141 |
1 |
Halttec Group Ltd. | 2 |
1 |
Hitachi Astemo, Ltd. | 5618 |
1 |
Other owners | 0 |