- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03C - Positive-displacement engines driven by liquids
- F03C 1/22 - Reciprocating-piston liquid engines with movable cylinders
Patent holdings for IPC class F03C 1/22
Total number of patents in this class: 6
10-year publication summary
|
1
|
4
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Poclain Hydraulics Industrie | 234 |
2 |
| International Waterjet Parts, Inc. | 4 |
1 |
| New Leaf Management Ltd. | 4 |
1 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3009 |
1 |
| Intra-italia Hydraulics (Foshan Shunde) Co., Ltd | 1 |
1 |
| Other owners | 0 |