- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-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: 14
10-year publication summary
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1
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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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2
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Positec Power Tools (Suzhou) Co., Ltd. | 773 |
4 |
| Emerson Climate Technologies, Inc. | 290 |
2 |
| Shanghai Highly Electrical Appliances Co., Ltd. | 49 |
2 |
| LG Electronics Inc. | 76299 |
1 |
| Mitsubishi Electric Corporation | 48460 |
1 |
| Carrier Corporation | 3960 |
1 |
| Fujitsu General Limited | 607 |
1 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1561 |
1 |
| Trane International Inc. | 1245 |
1 |
| Other owners | 0 |