- 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 18/07 - Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them having crankshaft-and-connecting-rod type drive
Patent holdings for IPC class F04C 18/07
Total number of patents in this class: 12
10-year publication summary
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3
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0
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1
|
4
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0
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0
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1
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0
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1
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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
|
|---|---|---|
| Positec Power Tools (Suzhou) Co., Ltd. | 642 |
4 |
| Emerson Climate Technologies, Inc. | 308 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Mitsubishi Electric Corporation | 43934 |
1 |
| Carrier Corporation | 4759 |
1 |
| Fujitsu General Limited | 541 |
1 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
1 |
| Trane International Inc. | 1123 |
1 |
| Other owners | 0 |