- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; rotary-piston, or oscillating-piston, positive-displacement pumps
- F04C 18/10 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
Patent holdings for IPC class F04C 18/10
Total number of patents in this class: 43
10-year publication summary
10
|
8
|
7
|
5
|
1
|
1
|
0
|
3
|
6
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Electronics Inc. | 69257 |
6 |
Hitachi, Ltd. | 16452 |
3 |
Atlas Copco Airpower, naamloze vennootschap | 915 |
2 |
Greystone Technologies Pty Ltd | 10 |
2 |
Stackpole International Engineered Products, Ltd. | 46 |
2 |
Woodward, Inc. | 602 |
2 |
Ingersoll-Rand Industrial U.S., Inc. | 498 |
2 |
GM Global Technology Operations LLC | 13620 |
1 |
Denso Corporation | 23338 |
1 |
Mitsubishi Electric Corporation | 43934 |
1 |
Aisin Seiki Kabushiki Kaisha | 2427 |
1 |
Hamilton Sundstrand Corporation | 4525 |
1 |
Ateliers Busch SA | 53 |
1 |
Cummins Inc. | 2369 |
1 |
EBM-Papst St. Georgen GmbH & Co. KG | 286 |
1 |
Eckerle Industrie-Elektronik GmbH | 7 |
1 |
Genesis Advanced Technology Inc. | 51 |
1 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
1 |
Howden Compressors Limited | 3 |
1 |
Mikuni Corporation | 332 |
1 |
Other owners | 11 |