- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 1/10 - Rotary-piston machines or engines 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 F01C 1/10
Total number of patents in this class: 174
10-year publication summary
|
17
|
29
|
17
|
14
|
8
|
19
|
13
|
5
|
6
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Roper Pump Company, LLC | 26 |
7 |
| Clearmotion, Inc. | 148 |
6 |
| Danfoss A/S | 1259 |
6 |
| Rotoliptic Technologies Incorporated | 19 |
6 |
| Abaco Drilling Technologies LLC | 35 |
6 |
| Schlumberger Technology Corporation | 9690 |
5 |
| Baker Hughes Incorporated | 5689 |
5 |
| Smith International, Inc. | 761 |
5 |
| LiquidPiston, Inc. | 41 |
5 |
| Robbins & Myers Energy Systems L.P. | 38 |
5 |
| Halliburton Energy Services, Inc. | 20165 |
4 |
| Genesis Advanced Technology Inc. | 51 |
4 |
| Penn United Technologies, Inc. | 39 |
4 |
| PSG Worldwide, Inc. | 25 |
4 |
| PSG California LLC | 72 |
4 |
| Concept Solutions Inc. | 3 |
3 |
| Heishin Ltd. | 81 |
3 |
| Moyno, Inc. | 24 |
3 |
| National Oilwell Varco, L.P. | 1604 |
3 |
| NETZSCH Pumpen & Systeme GmbH | 93 |
3 |
| Other owners | 83 |