- All sections
- E - Fixed constructions
- E03C - Domestic plumbing installations for fresh water or waste watersinks
- E03C 1/30 - Devices to facilitate removing of obstructions in waste pipes or sinks
Patent holdings for IPC class E03C 1/30
Total number of patents in this class: 49
10-year publication summary
|
6
|
7
|
13
|
16
|
7
|
6
|
7
|
3
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Household & Health Care Ltd. | 1211 |
3 |
| S. C. Johnson & Son, Inc. | 2812 |
2 |
| Caroma Industries Limited | 107 |
2 |
| Envirologics Engineering Inc. | 19 |
2 |
| Miri Co., Ltd. | 4 |
2 |
| Oakville Stamping & Bending Ltd. | 48 |
2 |
| Danco, Inc. | 212 |
2 |
| LG Electronics Inc. | 72208 |
1 |
| Kohler Co. | 4013 |
1 |
| Siemens Corporation | 526 |
1 |
| Siemens Medical Solutions USA, Inc. | 1513 |
1 |
| Siemens Energy, Inc. | 1696 |
1 |
| Chevron U.S.A. Inc. | 3912 |
1 |
| Anacail Limited | 3 |
1 |
| Carl Freudenberg KG | 1363 |
1 |
| Diversitech Corporation | 197 |
1 |
| Ideal Standard International NV | 285 |
1 |
| Jinhua Runchn Tools Co.,Ltd. | 5 |
1 |
| Kohler (China) Investment Co., Ltd. | 72 |
1 |
| LIXIL Corporation | 689 |
1 |
| Other owners | 21 |