- 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: 71
10-year publication summary
|
13
|
19
|
14
|
14
|
15
|
10
|
17
|
19
|
16
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hound Tech LLC | 10 |
6 |
| Geberit International AG | 271 |
3 |
| Jon.e.vac Corporation | 10 |
3 |
| Toto Ltd. | 1164 |
3 |
| Washroom-wizard Ltd. | 13 |
3 |
| Ventex Industries, Ltd. | 3 |
3 |
| Kohler Co. | 4031 |
2 |
| AS America, Inc. | 1044 |
2 |
| Xiamen R&t Plumbing Technology Co., Ltd. | 44 |
2 |
| Hanseong Jonghap Sangsa Co., Ltd | 2 |
2 |
| Invent Aircare Ltd. | 2 |
2 |
| Ecoair LLC | 2 |
2 |
| 9123-7826 Québec Inc. | 2 |
2 |
| Panasonic Corporation | 20136 |
1 |
| Kyocera Corporation | 13784 |
1 |
| ADCO Umweltdienste Holding GmbH | 3 |
1 |
| Calgon Carbon Corporation | 238 |
1 |
| Delta Faucet Company | 2763 |
1 |
| Givaudan SA | 1856 |
1 |
| Hochschule Rapperswil | 4 |
1 |
| Other owners | 29 |