- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 39/06 - Cooling; Heating; Prevention of freezing
Patent holdings for IPC class F04B 39/06
Total number of patents in this class: 772
10-year publication summary
67
|
64
|
72
|
63
|
73
|
59
|
55
|
56
|
61
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
42 |
Copeland LP | 656 |
30 |
Atlas Copco Airpower, naamloze vennootschap | 915 |
28 |
Knorr-Bremse Systeme fur Schienenfahrzeuge GmbH | 566 |
18 |
Mitsubishi Electric Corporation | 43934 |
17 |
Denso Corporation | 23338 |
15 |
Arcelik A.S. | 3617 |
15 |
Sanden Corporation | 859 |
14 |
Daikin Industries, Ltd. | 9495 |
13 |
Robert Bosch GmbH | 40953 |
12 |
Westinghouse Air Brake Technologies Corporation | 521 |
12 |
Hanon Systems | 1632 |
11 |
Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1407 |
11 |
LG Electronics Inc. | 69257 |
9 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
9 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
Whirlpool S.A. | 377 |
9 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
9 |
Embraco - Indústria de Compressores e Soluções EM Refrigeração Ltda. | 138 |
9 |
Black & Decker, Inc. | 2402 |
8 |
Other owners | 472 |