- All sections
- B - Performing operationstransporting
- B63J - Auxiliaries on vessels
- B63J 2/12 - HeatingCooling
Patent holdings for IPC class B63J 2/12
Total number of patents in this class: 175
10-year publication summary
|
7
|
11
|
13
|
19
|
16
|
7
|
16
|
17
|
26
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daewoo Shipbuilding & Marine Engineering Co., Ltd. | 233 |
13 |
| Summit Marine Technologies, Inc. | 9 |
7 |
| Hanwha Ocean Co., Ltd. | 124 |
7 |
| Volvo Penta Corporation | 141 |
6 |
| Kurita Water Industries Ltd. | 1193 |
5 |
| Single Buoy Moorings Inc. | 319 |
5 |
| Koninklijke Philips N.V. | 24766 |
4 |
| ABB Schweiz AG | 6958 |
4 |
| Siemens AG | 24505 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3542 |
3 |
| Shell Oil Company | 2141 |
3 |
| Hyundai Heavy Industries Co., Ltd. | 275 |
3 |
| Korea Institute of Ocean Science & Technology | 420 |
3 |
| Wenda Oy | 3 |
3 |
| Guangdong ePropulsion Technology Limited | 110 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8712 |
2 |
| I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | 166 |
2 |
| Nautilus Data Technologies, Inc. | 10 |
2 |
| Samsung Heavy Ind. Co., Ltd. | 238 |
2 |
| Ulmatec Pyro AS | 5 |
2 |
| Other owners | 93 |