- All sections
- B - Performing operationstransporting
- B63J - Auxiliaries on vessels
- B63J 2/02 - VentilationAir-conditioning
Patent holdings for IPC class B63J 2/02
Total number of patents in this class: 79
10-year publication summary
|
2
|
3
|
3
|
8
|
6
|
8
|
12
|
7
|
11
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| HD Korea Shipbuilding ＆ Offshore Engineering Co., Ltd. | 114 |
6 |
| Daewoo Shipbuilding & Marine Engineering Co., Ltd. | 231 |
5 |
| Transocean Sedco Forex Ventures Limited | 65 |
4 |
| Frese A/S | 21 |
3 |
| Mitsubishi Shipbuilding Co., Ltd. | 186 |
3 |
| Guangzhou Shipyard International Company Limited | 190 |
3 |
| HD Hyundai Heavy Industries Co., Ltd. | 94 |
3 |
| Dryboat South, LLC | 6 |
2 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3245 |
2 |
| Summit Marine Technologies, Inc. | 8 |
2 |
| 3J Marine S.r.l. | 9 |
2 |
| Hanwha Ocean Co., Ltd. | 152 |
2 |
| Shorebreak, LLC | 2 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9115 |
1 |
| The United States of America as represented by the Secretary of the Navy | 2856 |
1 |
| Chevron U.S.A. Inc. | 4134 |
1 |
| Air Products and Chemicals, Inc. | 1469 |
1 |
| Brunswick Corporation | 1479 |
1 |
| Hyundai Heavy Industries Co., Ltd. | 270 |
1 |
| Japan Marine United Corporation | 72 |
1 |
| Other owners | 33 |