- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquidsrotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 2/04 - Rotary-piston machines or pumps 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 of internal-axis type
Patent holdings for IPC class F04C 2/04
Total number of patents in this class: 19
10-year publication summary
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2
|
0
|
4
|
4
|
2
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3
|
4
|
1
|
1
|
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
|
|---|---|---|
| Copeland LP | 694 |
2 |
| LG Electronics Inc. | 75045 |
1 |
| Robert Bosch GmbH | 43631 |
1 |
| Daikin Industries, Ltd. | 10393 |
1 |
| Toyota Industries Corporation | 1193 |
1 |
| BorgWarner Inc. | 2582 |
1 |
| Danfoss (Tianjin) Ltd. | 107 |
1 |
| Emerson Climate Technologies, Inc. | 294 |
1 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 169 |
1 |
| Hawe Hydraulik SE | 108 |
1 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1520 |
1 |
| Lumenium LLC | 16 |
1 |
| Pierburg Pump Technology GmbH | 330 |
1 |
| T & e Pumps Ltd. | 5 |
1 |
| Windtrans Systems Ltd. | 6 |
1 |
| 3P Prinz S.r.l. | 2 |
1 |
| Hanon Systems EFP Canada Ltd. | 66 |
1 |
| Hitachi Astemo, Ltd. | 6409 |
1 |
| Other owners | 0 |