- All sections
- E - Fixed constructions
- E03C - Domestic plumbing installations for fresh water or waste watersinks
- E03C 1/28 - Odour seals
Patent holdings for IPC class E03C 1/28
Total number of patents in this class: 108
10-year publication summary
|
12
|
11
|
8
|
13
|
14
|
12
|
11
|
4
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kondoh-FRP Co., Ltd. | 5 |
4 |
| Viega Technology GmbH & Co. KG | 112 |
4 |
| Falcon Waterfree Technologies, LLC | 16 |
3 |
| McAlpine & Co Limited | 51 |
3 |
| Oy Prevex AB | 18 |
3 |
| Urimat Holding AG | 6 |
3 |
| Beijing Kangzhiwei Technology Co., Ltd | 3 |
3 |
| The Boeing Company | 19953 |
2 |
| Heriot-Watt University | 116 |
2 |
| Kabushiki Kaisha Topfield | 2 |
2 |
| Smith Industries, Inc., DBA Jay R. Smith Manufacturing Co. | 48 |
2 |
| Vinidex Pty Limited | 17 |
2 |
| Kangzhiwei Zhejiang Technology Co., Ltd. | 2 |
2 |
| Swiss Invent AG | 15 |
2 |
| Dong Myung Kim | 2 |
2 |
| EVI Metal Inoks Yapi Urunleri Mimarlik ve Muteahhitlik Insaat Taahhut Sanayi DIS Ticaret Limited Sirketi | 10 |
2 |
| JIANG, Chengxu | 3 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 30711 |
1 |
| ACO Severin Ahlmann GmbH & Co. KG | 106 |
1 |
| Aktiebolaget Durgo | 4 |
1 |
| Other owners | 62 |