- All sections
- B - Performing operationstransporting
- B63B - Ships or other waterborne vesselsequipment for shipping
- B63B 13/00 - Conduits for emptying or ballastingSelf-bailing equipmentScuppers
Patent holdings for IPC class B63B 13/00
Total number of patents in this class: 425
10-year publication summary
|
35
|
36
|
47
|
25
|
24
|
37
|
31
|
22
|
21
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15529 |
18 |
| PanAsia Co., Ltd. | 114 |
18 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
14 |
| Miura Co., Ltd. | 287 |
12 |
| Kurita Water Industries Ltd. | 1195 |
10 |
| JFE Engineering Corporation | 102 |
9 |
| Kuraray Co., Ltd. | 3506 |
9 |
| Lifetime Products, Inc. | 396 |
9 |
| Techcross Co., Ltd. | 37 |
9 |
| Mitsubishi Heavy Industries, Ltd. | 8752 |
8 |
| GVA Consultants AB | 41 |
8 |
| Malibu Boats, LLC | 70 |
8 |
| Guangzhou Shipyard International Company Limited | 186 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
5 |
| Daewoo Shipbuilding & Marine Engineering Co., Ltd. | 233 |
5 |
| Korea Institute of Ocean Science & Technology | 420 |
5 |
| NK Co., Ltd. | 25 |
5 |
| Yuasa Membrane Systems Co., Ltd. | 7 |
5 |
| Hyundai Heavy Industries Co., Ltd. | 274 |
4 |
| Skier's Choice, Inc. | 43 |
4 |
| Other owners | 254 |