- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 21/00 - Engines characterised by air-storage chambers
Patent holdings for IPC class F02B 21/00
Total number of patents in this class: 117
10-year publication summary
|
11
|
14
|
12
|
8
|
8
|
5
|
5
|
2
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Volvo Truck Corporation | 3981 |
12 |
| Sturman Digital Systems, LLC | 35 |
9 |
| Ford Global Technologies, LLC | 21664 |
8 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1340 |
8 |
| Peugeot Citroen Automobiles SA | 1635 |
5 |
| Volvo Car Corporation | 1990 |
4 |
| Caterpillar Inc. | 10375 |
3 |
| Freevalve AB | 47 |
3 |
| Wartsila Finland Oy | 758 |
3 |
| V-stax, LLC | 31 |
3 |
| Massachusetts Institute of Technology | 10335 |
2 |
| Bayerische Motoren Werke Aktiengesellschaft | 15559 |
2 |
| Bendix Commercial Vehicle Systems LLC | 879 |
2 |
| Brunel University | 25 |
2 |
| Cummins Inc. | 2678 |
2 |
| Eth Zurich | 1338 |
2 |
| FPT Industrial S.p.A. | 169 |
2 |
| KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH | 671 |
2 |
| Liebherr Machines Bulle SA | 50 |
2 |
| MAN Diesel & Turbo SE | 97 |
2 |
| Other owners | 39 |