- All sections
- E - Fixed constructions
- E03D - Water-closets or urinals with flushing devicesflushing valves therefor
- E03D 11/18 - Siphons
Patent holdings for IPC class E03D 11/18
Total number of patents in this class: 129
10-year publication summary
|
9
|
13
|
16
|
8
|
15
|
11
|
14
|
17
|
8
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kohler Co. | 4015 |
30 |
| AS America, Inc. | 1043 |
20 |
| Toto Ltd. | 1163 |
12 |
| Geberit International AG | 271 |
4 |
| Brigham Young University | 596 |
3 |
| SDB IP Holdings, LLC | 126 |
3 |
| Siemens AG | 24552 |
2 |
| Azzurra Imports Pty Ltd | 4 |
2 |
| Fluidmaster, Inc. | 141 |
2 |
| Inax Corporation | 21 |
2 |
| LIXIL Corporation | 695 |
2 |
| Wallgate Limited | 19 |
2 |
| Xiamen R&t Plumbing Technology Co., Ltd. | 44 |
2 |
| Deahenv (Xiamen) Bathroom Inc. | 9 |
2 |
| Wawa Co.,Ltd. | 3 |
2 |
| Arrow Home Group Co., Ltd. | 38 |
2 |
| Guardian Health, Inc. | 87 |
2 |
| Airbus Operations GmbH | 3330 |
1 |
| Acorn Engineering Company | 179 |
1 |
| Aquaone Technologies LLC | 1 |
1 |
| Other owners | 32 |