- All sections
- B - Performing operations; transporting
- B21D - Working or processing of sheet metal or metal tubes, rods or profiles without essentially removing material; punching metal
- B21D 53/04 - Making other particular articles heat exchangers, e.g. radiators, condensers of sheet metal
Patent holdings for IPC class B21D 53/04
Total number of patents in this class: 199
10-year publication summary
|
22
|
17
|
10
|
16
|
12
|
16
|
21
|
17
|
17
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1265 |
15 |
| Cooler Master Co., Ltd. | 191 |
9 |
| Rtx Corporation | 8674 |
6 |
| Honeywell International Inc. | 13799 |
5 |
| Dana Canada Corporation | 284 |
5 |
| Asia Vital Components Co., Ltd. | 413 |
4 |
| Fulton Group N.A., Inc. | 48 |
4 |
| International Business Machines Corporation | 60644 |
3 |
| Carrier Corporation | 4759 |
3 |
| Air Products and Chemicals, Inc. | 1448 |
3 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
3 |
| MAHLE International GmbH | 2670 |
3 |
| Modine Manufacturing Company | 305 |
3 |
| Pratt & Whitney Canada Corp. | 4215 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Hamilton Sundstrand Corporation | 4525 |
2 |
| Showa Denko K.K. | 2539 |
2 |
| Hidaka Seiki Kabushiki Kaisha | 61 |
2 |
| HS Marston Aerospace Ltd. | 37 |
2 |
| Intelligent Energy Limited | 464 |
2 |
| Other owners | 119 |