- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 27/00 - Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
Patent holdings for IPC class F04B 27/00
Total number of patents in this class: 110
10-year publication summary
|
8
|
16
|
22
|
13
|
13
|
10
|
8
|
8
|
9
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| WABCO Europe BVBA | 222 |
6 |
| ZF CV Systems Europe BV | 762 |
5 |
| Koninklijke Philips N.V. | 24718 |
4 |
| GREE Electric Appliances, Inc. of Zhuhai | 3240 |
4 |
| Copeland LP | 700 |
4 |
| Gast Manufacturing, Inc. | 30 |
3 |
| Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 572 |
3 |
| Zhe Jiang Hong Zhu Plastic Hardware Co., Ltd. | 6 |
3 |
| Kerr Machine Co. | 133 |
3 |
| Toyota Industries Corporation | 1112 |
2 |
| Medela Holding AG | 600 |
2 |
| Oshkosh Corporation | 1290 |
2 |
| TPE Midstream LLC | 50 |
2 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1404 |
2 |
| Vieletech Inc. | 5 |
2 |
| SPM Oil & Gas Inc. | 325 |
2 |
| Illinois Tool Works Inc. | 11454 |
1 |
| Honda Motor Co., Ltd. | 25174 |
1 |
| Royal Bank of Canada | 1974 |
1 |
| DENSO International America, Inc. | 614 |
1 |
| Other owners | 57 |