- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 3/03 - Special vessels for collecting or storing rain-water for use in the household, e.g. water-butts
Patent holdings for IPC class E03B 3/03
Total number of patents in this class: 123
10-year publication summary
|
13
|
19
|
17
|
17
|
17
|
9
|
10
|
15
|
9
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Totetu Mfg. Co. Ltd. | 12 |
8 |
| Zhejiang Zhengte Co., Ltd. | 138 |
5 |
| Institut de Radioprotection et de Surete Nucleaire | 62 |
3 |
| Qf Technologies AS | 3 |
3 |
| Rockwool A/S | 782 |
3 |
| Bio Clean Environmental Services, LLC | 62 |
3 |
| The Regents of the University of Michigan | 4570 |
2 |
| Ebara Corporation | 2072 |
2 |
| BlueScope Steel Limited | 216 |
2 |
| Brentwood Industries, Inc. | 110 |
2 |
| The Chugoku Electric Power Co., Inc. | 505 |
2 |
| Earthmark LLC | 5 |
2 |
| Geoplast S.p.A. | 34 |
2 |
| Husqvarna AB | 2875 |
2 |
| Reln Pty Ltd | 51 |
2 |
| Sekisui Techno Molding Co., Ltd. | 28 |
2 |
| Teijin Limited | 1232 |
2 |
| Civ-Con Products & Solutions, LLC | 4 |
2 |
| Heart Water Inc. | 2 |
2 |
| The Furukawa Electric Co., Ltd. | 3590 |
1 |
| Other owners | 71 |