- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 53/08 - CoolingHeatingPreventing freezing
Patent holdings for IPC class F04B 53/08
Total number of patents in this class: 414
10-year publication summary
28
|
25
|
36
|
28
|
30
|
41
|
52
|
50
|
38
|
15
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | 452 |
23 |
Robert Bosch GmbH | 42674 |
16 |
Hitachi Industrial Equipment Systems Co., Ltd. | 1456 |
11 |
Alfred Kärcher GmbH & Co. KG | 374 |
7 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3976 |
7 |
LG Electronics Inc. | 72962 |
6 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 213 |
6 |
Murata Manufacturing Co., Ltd. | 24503 |
5 |
Burckhardt Compression AG | 121 |
5 |
Gotec SA | 21 |
5 |
Vitesco Technologies GmbH | 2607 |
5 |
Baker Hughes Incorporated | 5252 |
4 |
Atlas Copco Airpower, naamloze vennootschap | 1031 |
4 |
Gardner Denver Deutschland GmbH | 58 |
4 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 573 |
4 |
Poclain Hydraulics Industrie | 240 |
4 |
Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3099 |
4 |
Copeland LP | 701 |
4 |
Cryo H&i, Inc | 20 |
4 |
Liberty Advanced Equipment Technologies LLC | 20 |
4 |
Other owners | 282 |