- All sections
- E - Fixed constructions
- E03C - Domestic plumbing installations for fresh water or waste water; sinks
- E03C 1/28 - Odour seals
Patent holdings for IPC class E03C 1/28
Total number of patents in this class: 110
10-year publication summary
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12
|
11
|
8
|
13
|
14
|
12
|
11
|
4
|
7
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |