- 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: 57
10-year publication summary
8
|
13
|
7
|
3
|
7
|
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. | 4023 |
13 |
Fluidmaster, Inc. | 141 |
3 |
Toto Ltd. | 1164 |
3 |
Abertax Research & Development Ltd. | 7 |
2 |
Aqua Mizer, Inc. | 3 |
2 |
Kohler (China) Investment Co., Ltd. | 75 |
2 |
Lab (Xiamen) Sanitary Fittings Inc | 38 |
2 |
Shanghai Kohler Electronics, Ltd. | 148 |
2 |
Sloan Valve Company | 276 |
2 |
Thomas Dudley Limited | 17 |
2 |
Xiamen Axent Corporation Limited | 47 |
2 |
Zurn Water, LLC | 231 |
2 |
AS America, Inc. | 1044 |
1 |
Brigham Young University | 597 |
1 |
Grohe AG | 1057 |
1 |
GTP Developments Limited | 2 |
1 |
Homewerks Worldwide, LLC | 124 |
1 |
Sioux Chief Mfg. Co., Inc. | 25 |
1 |
Xiamen R&t Plumbing Technology Co., Ltd. | 44 |
1 |
Etablissement Dubourgel Grange | 1 |
1 |
Other owners | 12 |