- All sections
- E - Fixed constructions
- E03C - Domestic plumbing installations for fresh water or waste watersinks
- E03C 1/298 - Odour seals consisting only of non-return valve
Patent holdings for IPC class E03C 1/298
Total number of patents in this class: 66
10-year publication summary
|
8
|
10
|
9
|
5
|
14
|
6
|
4
|
2
|
2
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| McAlpine & Co Limited | 51 |
11 |
| Helvex, S.A. de C.V. | 16 |
4 |
| Physiclean Ltd. | 7 |
4 |
| B/E Aerospace, Inc. | 1608 |
3 |
| Lake Products Limited | 55 |
3 |
| TLV Co., Ltd. | 335 |
3 |
| NWS Europa GMBH | 3 |
3 |
| Whiffaway Limited | 10 |
3 |
| enswico IP AG | 9 |
2 |
| Geberit International AG | 271 |
2 |
| Green Drain Inc. | 12 |
2 |
| Urimat Holding AG | 6 |
2 |
| Wapro AB | 18 |
2 |
| BETTIOL s.r.l. | 2 |
2 |
| Falcon Water Technologies, LLC | 13 |
2 |
| EcoShore Int'l, Inc. | 2 |
1 |
| Flex-Seal Couplings Limited | 3 |
1 |
| Neoperl GmbH | 600 |
1 |
| Pipelife Nederland B.V. | 32 |
1 |
| Purus AB | 8 |
1 |
| Other owners | 13 |