- 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: 475
10-year publication summary
|
26
|
37
|
40
|
39
|
36
|
39
|
40
|
26
|
26
|
25
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edwards Limited | 773 |
23 |
| Atlas Copco Airpower, naamloze vennootschap | 1081 |
20 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1544 |
15 |
| Kaeser KOMPRESSOREN SE | 189 |
14 |
| Murata Manufacturing Co., Ltd. | 25758 |
9 |
| Ateliers Busch SA | 49 |
9 |
| Mitsubishi Heavy Industries Compressor Corporation | 643 |
9 |
| DEKA Products Limited Partnership | 1887 |
8 |
| Denso Corporation | 25579 |
5 |
| Sumitomo Heavy Industries, Ltd. | 2112 |
5 |
| Leybold GmbH | 301 |
5 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1349 |
5 |
| Pfeiffer Vacuum | 185 |
5 |
| Koninklijke Philips N.V. | 25873 |
4 |
| Burckhardt Compression AG | 125 |
4 |
| Danfoss Commercial Compressors | 96 |
4 |
| Gardner Denver Deutschland GmbH | 59 |
4 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2836 |
4 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4118 |
4 |
| Nuovo Pignone Tecnologie S.r.l. | 1219 |
4 |
| Other owners | 315 |