- 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 14/24 - Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves
Patent holdings for IPC class F04C 14/24
Total number of patents in this class: 175
10-year publication summary
21
|
31
|
26
|
25
|
21
|
21
|
8
|
12
|
9
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Pierburg Pump Technology GmbH | 305 |
12 |
Hitachi Astemo, Ltd. | 5618 |
12 |
Project Phoenix, LLC | 52 |
11 |
Stackpole International Engineered Products, Ltd. | 46 |
10 |
Saudi Arabian Oil Company | 11322 |
5 |
Robert Bosch GmbH | 40953 |
4 |
BASF SE | 19740 |
3 |
Honda Motor Co., Ltd. | 24537 |
3 |
Toyota Motor Corporation | 28582 |
3 |
Hitachi Automotive Systems, Ltd. | 3970 |
3 |
Caterpillar Inc. | 8877 |
3 |
Hamilton Sundstrand Corporation | 4525 |
3 |
Impulse Downhole Solutions Ltd. | 54 |
3 |
Magna Powertrain Inc. | 120 |
3 |
Mikuni Corporation | 332 |
3 |
Nidec GPM GmbH | 152 |
3 |
Yamada Manufacturing Co., Ltd. | 141 |
3 |
Hanon Systems EFP Deutschland GmbH | 79 |
3 |
Copeland LP | 656 |
3 |
Illinois Tool Works Inc. | 11152 |
2 |
Other owners | 80 |