- All sections
- E - Fixed constructions
- E03F - Sewers; cesspools
- E03F 7/00 - Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
Patent holdings for IPC class E03F 7/00
Total number of patents in this class: 147
10-year publication summary
|
9
|
19
|
9
|
17
|
14
|
11
|
19
|
9
|
7
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shonan Gosei-Jushi Seisakusho K.K. | 44 |
6 |
| Government of The United States AS represented by The Administrator of The U.S. Environmental Protection Agency | 11 |
5 |
| Kanaflex Corporation | 21 |
5 |
| Urbanalta Corp | 4 |
4 |
| Firefly Solutions, LLC | 4 |
4 |
| SDB IP Holdings, LLC | 124 |
3 |
| Nippon Telegraph and Telephone Corporation | 14195 |
2 |
| 2078095 Ontario Limited | 7 |
2 |
| Ashimori Engineering Co., Ltd. | 6 |
2 |
| Ashimori Industry Co., Ltd. | 264 |
2 |
| Danmarks Tekniske Universitet | 902 |
2 |
| iPEK International GmbH | 23 |
2 |
| Legend Energy Advisors, LLC | 17 |
2 |
| RSA Protective Technologies, LLC | 22 |
2 |
| South East Water Corporation | 50 |
2 |
| Takiron Co., Ltd. | 22 |
2 |
| Kruger A/S | 10 |
2 |
| Robogen Co., Ltd. | 6 |
2 |
| Water Resources Engineering Corporation | 6 |
2 |
| Takiron Engineering Co., Ltd. | 2 |
2 |
| Other owners | 92 |