- 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: 100
10-year publication summary
|
11
|
8
|
13
|
14
|
12
|
11
|
4
|
8
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Viega Technology GmbH & Co. KG | 123 |
4 |
| Falcon Waterfree Technologies, LLC | 15 |
3 |
| McAlpine & Co Limited | 49 |
3 |
| Urimat Holding AG | 6 |
3 |
| Beijing Kangzhiwei Technology Co., Ltd | 3 |
3 |
| The Boeing Company | 20160 |
2 |
| Kabushiki Kaisha Topfield | 2 |
2 |
| Kondoh-FRP Co., Ltd. | 3 |
2 |
| Oy Prevex AB | 16 |
2 |
| Smith Industries, Inc., DBA Jay R. Smith Manufacturing Co. | 46 |
2 |
| Kangzhiwei Zhejiang Technology Co., Ltd. | 2 |
2 |
| Swiss Invent AG | 14 |
2 |
| Dong Myung Kim | 2 |
2 |
| EVI Metal Inoks Yapi Urunleri Mimarlik ve Muteahhitlik Insaat Taahhut Sanayi DIS Ticaret Limited Sirketi | 13 |
2 |
| JIANG, Chengxu | 3 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
1 |
| ACO Severin Ahlmann GmbH & Co. KG | 91 |
1 |
| Aktiebolaget Durgo | 4 |
1 |
| Amphicom Investments CC | 1 |
1 |
| Aromatic Drain Device, Inc. | 4 |
1 |
| Other owners | 59 |