- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 39/08 - Actuation of distribution members
Patent holdings for IPC class F04B 39/08
Total number of patents in this class: 149
10-year publication summary
|
19
|
10
|
20
|
16
|
16
|
10
|
10
|
6
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Burckhardt Compression AG | 121 |
9 |
| Nuovo Pignone Tecnologie S.r.l. | 994 |
8 |
| Whirlpool S.A. | 353 |
7 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1397 |
5 |
| LG Electronics Inc. | 73476 |
4 |
| HOERBIGER Kompressortechnik Holding GmbH | 23 |
4 |
| Denso Corporation | 24404 |
3 |
| Dott. Ing. Mario Cozzani S.r.l. | 11 |
3 |
| Nuovo Pignone S.p.A. | 89 |
3 |
| Westinghouse Air Brake Technologies Corporation | 503 |
3 |
| Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 84 |
3 |
| Becton, Dickinson and Company | 7282 |
2 |
| Siemens Energy, Inc. | 1707 |
2 |
| Carrier Corporation | 4292 |
2 |
| Alternative Packaging Solutions, LLC | 17 |
2 |
| Carlisle Fluid Technologies, Inc. | 134 |
2 |
| Dresser-Rand Company | 212 |
2 |
| Dyson Technology Limited | 3663 |
2 |
| Eagle Industry Co., Ltd. | 1135 |
2 |
| Hanon Systems | 1970 |
2 |
| Other owners | 79 |