- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/14 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
Patent holdings for IPC class F04C 18/14
Total number of patents in this class: 33
10-year publication summary
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4
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2
|
1
|
2
|
2
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2
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5
|
3
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2
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atlas Copco Airpower, naamloze vennootschap | 1085 |
5 |
| Eaton Intelligent Power Limited | 6306 |
3 |
| Eaton Corporation | 1802 |
2 |
| Hitachi, Ltd. | 16248 |
2 |
| Hamilton Sundstrand Corporation | 5013 |
2 |
| Siemens AG | 23948 |
1 |
| Toyota Industries Corporation | 1247 |
1 |
| Adixen Vacuum Products | 19 |
1 |
| Ateliers Busch SA | 49 |
1 |
| Edwards Limited | 772 |
1 |
| Epicam Limited | 4 |
1 |
| Hansen Engine Corporation | 10 |
1 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1566 |
1 |
| Jurop S.p.A. | 16 |
1 |
| Mitsubishi Heavy Industries Compressor Corporation | 650 |
1 |
| Philtec Co., Ltd. | 2 |
1 |
| CIRCOR Pumps North America, LLC | 36 |
1 |
| Triad National Security, LLC | 639 |
1 |
| Elivac Inc. | 10 |
1 |
| International Electric Company Limited | 6 |
1 |
| Other owners | 4 |