- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 11/02 - Equalising or cushioning devices
Patent holdings for IPC class F01B 11/02
Total number of patents in this class: 42
10-year publication summary
|
5
|
2
|
8
|
2
|
0
|
3
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Deutsches Zentrum für Luft- und Raumfahrt e.V. | 818 |
6 |
| Mainspring Energy, Inc. | 118 |
5 |
| Schlumberger Technology Corporation | 11471 |
3 |
| Illinois Tool Works Inc. | 11722 |
2 |
| KYB Corporation | 1412 |
2 |
| Mazda Motor Corporation | 3271 |
1 |
| Beto Engineering & Marketing Co., Ltd. | 35 |
1 |
| Cummins Inc. | 2588 |
1 |
| Dynatronic GmbH | 4 |
1 |
| Fater S.p.A. | 20 |
1 |
| Finno Energy Oy | 14 |
1 |
| GSI Group Corporation | 29 |
1 |
| Henan Province Zynp Corporation | 2 |
1 |
| HMD Corporation | 2 |
1 |
| Isuzu Motors Limited | 2304 |
1 |
| Kyushu Institute of Technology | 290 |
1 |
| National Oilwell Varco, L.P. | 1700 |
1 |
| Regents of the University of Minnesota | 2763 |
1 |
| Special Springs S.r.l. | 43 |
1 |
| University of Durham | 123 |
1 |
| Other owners | 9 |