- 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 28/00 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
Patent holdings for IPC class F04C 28/00
Total number of patents in this class: 85
10-year publication summary
9
|
6
|
7
|
8
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6
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5
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6
|
4
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3
|
0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Atlas Copco Airpower, naamloze vennootschap | 915 |
6 |
Emerson Climate Technologies, Inc. | 308 |
5 |
LG Electronics Inc. | 69257 |
4 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
4 |
Copeland LP | 656 |
4 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
3 |
Samsung Electronics Co., Ltd. | 131630 |
2 |
Daikin Industries, Ltd. | 9495 |
2 |
Carrier Corporation | 4759 |
2 |
Bauer Compressors Inc. | 46 |
2 |
Guangdong Meizhi Compressor Co., Ltd. | 157 |
2 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
2 |
Micromass UK Limited | 1121 |
2 |
Sanden Holdings Corporation | 216 |
2 |
Schwing GmbH | 107 |
2 |
Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 138 |
2 |
Haier Smart Home Co., Ltd. | 4882 |
2 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
2 |
Kunyoung Machinery Co., Ltd. | 3 |
2 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Other owners | 32 |