- 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 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
|
4
|
3
|
2
|
0
|
4
|
4
|
2
|
3
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lumenium LLC | 17 |
2 |
| Copeland LP | 656 |
2 |
| LG Electronics Inc. | 69257 |
1 |
| Robert Bosch GmbH | 40953 |
1 |
| Daikin Industries, Ltd. | 9495 |
1 |
| Toyota Industries Corporation | 1010 |
1 |
| BorgWarner Inc. | 2604 |
1 |
| Danfoss (Tianjin) Ltd. | 83 |
1 |
| Emerson Climate Technologies, Inc. | 308 |
1 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 172 |
1 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
1 |
| Pierburg Pump Technology GmbH | 305 |
1 |
| T & e Pumps Ltd. | 6 |
1 |
| Windtrans Systems Ltd. | 7 |
1 |
| 3P Prinz S.r.l. | 2 |
1 |
| Hanon Systems EFP Canada Ltd. | 65 |
1 |
| Hitachi Astemo, Ltd. | 5618 |
1 |
| Other owners | 0 |