- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 39/08 - Actuation of distribution members
Patent holdings for IPC class F04B 39/08
Total number of patents in this class: 147
10-year publication summary
18
|
19
|
10
|
20
|
16
|
16
|
11
|
8
|
6
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Burckhardt Compression AG | 116 |
9 |
Nuovo Pignone Tecnologie S.r.l. | 789 |
8 |
Whirlpool S.A. | 377 |
7 |
Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1407 |
5 |
LG Electronics Inc. | 69257 |
4 |
HOERBIGER Kompressortechnik Holding GmbH | 25 |
4 |
Denso Corporation | 23338 |
3 |
Dott. Ing. Mario Cozzani S.r.l. | 12 |
3 |
Nuovo Pignone S.p.A. | 96 |
3 |
Westinghouse Air Brake Technologies Corporation | 521 |
3 |
Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 138 |
3 |
Hitachi Astemo, Ltd. | 5618 |
3 |
Becton, Dickinson and Company | 6712 |
2 |
Siemens Energy, Inc. | 1770 |
2 |
Carrier Corporation | 4759 |
2 |
Alternative Packaging Solutions, LLC | 17 |
2 |
Carlisle Fluid Technologies, Inc. | 150 |
2 |
Dresser-Rand Company | 233 |
2 |
Dyson Technology Limited | 3124 |
2 |
Eagle Industry Co., Ltd. | 1062 |
2 |
Other owners | 76 |