- All sections
- E - Fixed constructions
- E03D - Water-closets or urinals with flushing devicesflushing valves therefor
- E03D 1/36 - Associated working of inlet and outlet valves
Patent holdings for IPC class E03D 1/36
Total number of patents in this class: 56
10-year publication summary
|
8
|
13
|
6
|
3
|
6
|
9
|
3
|
6
|
6
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kohler Co. | 4099 |
13 |
| Fluidmaster, Inc. | 141 |
3 |
| Toto Ltd. | 1219 |
3 |
| Aqua Mizer, Inc. | 3 |
2 |
| Kohler (China) Investment Co., Ltd. | 79 |
2 |
| Lab (Xiamen) Sanitary Fittings Inc | 38 |
2 |
| Shanghai Kohler Electronics, Ltd. | 152 |
2 |
| Sloan Valve Company | 278 |
2 |
| Thomas Dudley Limited | 17 |
2 |
| Xiamen Axent Corporation Limited | 47 |
2 |
| Zurn Water, LLC | 250 |
2 |
| Abertax Research & Development Ltd. | 6 |
1 |
| AS America, Inc. | 1033 |
1 |
| Brigham Young University | 600 |
1 |
| Grohe AG | 1062 |
1 |
| GTP Developments Limited | 2 |
1 |
| Homewerks Worldwide, LLC | 122 |
1 |
| Sioux Chief Mfg. Co., Inc. | 22 |
1 |
| Xiamen R&t Plumbing Technology Co., Ltd. | 45 |
1 |
| Etablissement Dubourgel Grange | 1 |
1 |
| Other owners | 12 |