- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F02B - Internal-combustion piston enginescombustion engines in general
- F02B 33/44 - Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs
Patent holdings for IPC class F02B 33/44
Total number of patents in this class: 875
10-year publication summary
137
|
70
|
51
|
15
|
14
|
11
|
10
|
8
|
5
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ford Global Technologies, LLC | 20769 |
128 |
GM Global Technology Operations LLC | 15220 |
40 |
Caterpillar Inc. | 9659 |
33 |
Cummins Inc. | 2613 |
31 |
BorgWarner Inc. | 2608 |
29 |
GE Global Sourcing LLC | 889 |
28 |
Hyundai Motor Company | 22484 |
27 |
JPMorgan Chase Bank, National Association | 8597 |
27 |
International Engine Intellectual Property Company, LLC | 483 |
27 |
Toyota Motor Corporation | 33077 |
17 |
Volvo Truck Corporation | 3487 |
17 |
Kawasaki Motors, Ltd. | 1366 |
16 |
Mitsubishi Heavy Industries, Ltd. | 8823 |
13 |
Deere & Company | 7686 |
11 |
Bayerische Motoren Werke Aktiengesellschaft | 14535 |
11 |
KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH | 626 |
10 |
Mazda Motor Corporation | 3185 |
9 |
Cummins Turbo Technologies Limited | 105 |
9 |
Isuzu Motors Limited | 2265 |
8 |
Southwest Research Institute | 740 |
8 |
Other owners | 376 |