- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25D - Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not otherwise provided for
- F25D 9/00 - Devices not associated with refrigerating machinery and not covered by groups ; Combinations of devices covered by two or more of the groups
Patent holdings for IPC class F25D 9/00
Total number of patents in this class: 165
10-year publication summary
|
8
|
11
|
10
|
13
|
13
|
15
|
7
|
8
|
2
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
14 |
| Denso Corporation | 23338 |
7 |
| NEC Corporation | 32703 |
6 |
| Airbus Operations GmbH | 3188 |
4 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 2856 |
4 |
| Copeland LP | 656 |
4 |
| The Boeing Company | 19843 |
3 |
| Honeywell International Inc. | 13799 |
3 |
| Fujitsu Limited | 19265 |
3 |
| Liebherr-Aerospace Lindenberg GmbH | 113 |
3 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
3 |
| ExaScaler Inc. | 35 |
3 |
| General Electric Company | 18133 |
2 |
| Air Products and Chemicals, Inc. | 1448 |
2 |
| Chuon Co., Ltd. | 6 |
2 |
| Da Vinci Co., Ltd. | 6 |
2 |
| Kobe Steel, Ltd. | 912 |
2 |
| SK Innovation Co., Ltd. | 1015 |
2 |
| Soka University | 19 |
2 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 80 |
2 |
| Other owners | 92 |