- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 41/06 - Combinations of two or more pumps
Patent holdings for IPC class F04B 41/06
Total number of patents in this class: 447
10-year publication summary
|
29
|
26
|
37
|
40
|
39
|
36
|
39
|
40
|
22
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edwards Limited | 793 |
22 |
| Atlas Copco Airpower, naamloze vennootschap | 1024 |
21 |
| Kaeser KOMPRESSOREN SE | 183 |
14 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1453 |
11 |
| Murata Manufacturing Co., Ltd. | 24444 |
9 |
| Ateliers Busch SA | 51 |
9 |
| DEKA Products Limited Partnership | 1761 |
9 |
| Mitsubishi Heavy Industries Compressor Corporation | 629 |
9 |
| Denso Corporation | 24223 |
5 |
| Sumitomo Heavy Industries, Ltd. | 1925 |
5 |
| Leybold GmbH | 297 |
5 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1405 |
5 |
| Pfeiffer Vacuum | 170 |
5 |
| Koninklijke Philips N.V. | 24688 |
4 |
| Burckhardt Compression AG | 121 |
4 |
| Danfoss Commercial Compressors | 90 |
4 |
| Gardner Denver Deutschland GmbH | 58 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3956 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 957 |
4 |
| Tae Technologies, Inc. | 241 |
4 |
| Other owners | 290 |