- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/10 - 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 internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
Patent holdings for IPC class F04C 18/10
Total number of patents in this class: 41
10-year publication summary
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7
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5
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1
|
1
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0
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3
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6
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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
|
|---|---|---|
| LG Electronics Inc. | 75654 |
4 |
| Hitachi, Ltd. | 16071 |
3 |
| Atlas Copco Airpower, naamloze vennootschap | 1078 |
3 |
| Greystone Technologies Pty Ltd | 10 |
2 |
| Sumitomo Electric Sintered Alloy, Ltd. | 245 |
2 |
| Woodward, Inc. | 675 |
2 |
| Ingersoll-Rand Industrial U.S., Inc. | 534 |
2 |
| GM Global Technology Operations LLC | 16106 |
1 |
| Denso Corporation | 25513 |
1 |
| Mitsubishi Electric Corporation | 47971 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2161 |
1 |
| Hamilton Sundstrand Corporation | 5016 |
1 |
| Ateliers Busch SA | 49 |
1 |
| Eckerle Industrie-Elektronik GmbH | 6 |
1 |
| Genesis Advanced Technology Inc. | 50 |
1 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
1 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1538 |
1 |
| Howden Compressors Limited | 3 |
1 |
| Mikuni Corporation | 339 |
1 |
| Otechos AS | 9 |
1 |
| Other owners | 10 |