- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/04 - Rotary-piston machines or engines 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 F01C 1/04
Total number of patents in this class: 30
10-year publication summary
|
4
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4
|
1
|
1
|
1
|
4
|
6
|
2
|
1
|
1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rotoliptic Technologies Incorporated | 19 |
3 |
| Copeland LP | 656 |
3 |
| Atlas Copco Airpower, naamloze vennootschap | 915 |
2 |
| Genesis Advanced Technology Inc. | 51 |
2 |
| LiquidPiston, Inc. | 41 |
2 |
| Lumenium LLC | 17 |
2 |
| Poclain Hydraulics Industrie | 223 |
2 |
| WB Development Company, LLC | 17 |
2 |
| Halliburton Energy Services, Inc. | 20165 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Anest Iwata Corporation | 168 |
1 |
| Bristol Compressors International, LLC | 4 |
1 |
| Emerson Climate Technologies (Suzhou) Co., Ltd. | 172 |
1 |
| Sanden Corporation | 859 |
1 |
| Shining Golden Yida Welding & Cutting Machinery Manufacture Ltd. | 5 |
1 |
| Suzuki Motor Corporation | 1266 |
1 |
| Danfoss A/S | 1259 |
1 |
| MFTB Holdco Inc | 316 |
1 |
| 21tdmc Group Oy | 3 |
1 |
| Duplicent, LLC | 40 |
1 |
| Other owners | 0 |