- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 13/04 - Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion with more than one cylinder
Patent holdings for IPC class F01B 13/04
Total number of patents in this class: 28
10-year publication summary
|
2
|
3
|
3
|
1
|
0
|
4
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41717 |
2 |
| Danfoss Power Solutions Inc. | 113 |
2 |
| Hydro-Gear Limited Partnership | 345 |
2 |
| Knob Engines s.r.o. | 7 |
2 |
| Poclain Hydraulics Industrie | 234 |
2 |
| Hitachi Construction Machinery Co., Ltd. | 2562 |
1 |
| Ford Global Technologies, LLC | 20057 |
1 |
| Caterpillar Inc. | 9149 |
1 |
| Hamilton Sundstrand Corporation | 4719 |
1 |
| Komatsu Ltd. | 4423 |
1 |
| Kawasaki Heavy Industries, Limited | 1582 |
1 |
| Actuant Corporation | 86 |
1 |
| Brueninghaus Hydromatik GmbH | 37 |
1 |
| Eagle Industry Co., Ltd. | 1099 |
1 |
| Kanzaki Kokyukoki Mfg. Co., Ltd. | 192 |
1 |
| Obrist Engineering GmbH | 19 |
1 |
| Parker Intangibles LLC | 1194 |
1 |
| Ride, Inc. | 2 |
1 |
| Universidad Politecnica de Madrid | 303 |
1 |
| Whitemoss, Inc. | 3 |
1 |
| Other owners | 3 |