- All sections
- E - Fixed constructions
- E03D - Water-closets or urinals with flushing devicesflushing valves therefor
- E03D 9/052 - Special arrangement or operation of ventilating devices ventilating the bowl using incorporated fans
Patent holdings for IPC class E03D 9/052
Total number of patents in this class: 77
10-year publication summary
|
19
|
14
|
14
|
15
|
10
|
17
|
20
|
17
|
14
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hound Tech LLC | 9 |
5 |
| Jon.e.vac Corporation | 12 |
4 |
| Geberit International AG | 286 |
3 |
| Hamilton Sundstrand Space Systems International, Inc. | 107 |
3 |
| Toto Ltd. | 1275 |
3 |
| Washroom-wizard Ltd. | 14 |
3 |
| 9123-7826 Québec Inc. | 3 |
3 |
| Kohler Co. | 4142 |
2 |
| AS America, Inc. | 1038 |
2 |
| Shanghai Kohler Electronics, Ltd. | 146 |
2 |
| Xiamen R&t Plumbing Technology Co., Ltd. | 47 |
2 |
| Hanseong Jonghap Sangsa Co., Ltd | 2 |
2 |
| Invent Aircare Ltd. | 2 |
2 |
| Ecoair LLC | 2 |
2 |
| Bellaria Technology GmbH | 3 |
2 |
| Panasonic Corporation | 18716 |
1 |
| Kyocera Corporation | 14451 |
1 |
| ADCO Umweltdienste Holding GmbH | 3 |
1 |
| B/E Aerospace, Inc. | 1687 |
1 |
| Calgon Carbon Corporation | 259 |
1 |
| Other owners | 32 |