- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 19/20 - Other positive-displacement pumps
Patent holdings for IPC class F04B 19/20
Total number of patents in this class: 45
10-year publication summary
|
4
|
5
|
3
|
5
|
6
|
3
|
1
|
1
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hewlett-Packard Development Company, L.P. | 25148 |
4 |
| Gas Technology Institute | 332 |
3 |
| KLX Energy Services LLC | 80 |
3 |
| Georgia Tech Research Corporation | 2968 |
2 |
| Silgan Dispensing Systems Corporation | 323 |
2 |
| Danamics ApS | 4 |
2 |
| Carrier Corporation | 3954 |
1 |
| Toyota Industries Corporation | 1224 |
1 |
| ArcelorMittal | 2725 |
1 |
| Ecole Polytechnique Federale de Lausanne (epfl) | 1614 |
1 |
| Eksigent Technologies, LLC | 9 |
1 |
| Encite LLC | 37 |
1 |
| Hydro-Gear Limited Partnership | 329 |
1 |
| Ipgate AG | 177 |
1 |
| Jaguar Land Rover Limited | 5136 |
1 |
| Katholieke Universiteit Leuven | 1302 |
1 |
| Microfluidics International Corporation | 16 |
1 |
| Nanyang Technological University | 2231 |
1 |
| Pratt & Whitney Rocketdyne, Inc. | 37 |
1 |
| SKC Co., Ltd. | 326 |
1 |
| Other owners | 15 |