- All sections
- E - Fixed constructions
- E03F - Sewerscesspools
- E03F 5/08 - Ventilation of sewers
Patent holdings for IPC class E03F 5/08
Total number of patents in this class: 52
10-year publication summary
|
7
|
8
|
5
|
0
|
4
|
4
|
4
|
0
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sewer Sentry LLC | 14 |
5 |
| Scentec Inc. | 7 |
3 |
| Adachi Construction Industry Co. Ltd. | 3 |
2 |
| Ebismarine Corporation | 3 |
2 |
| Ebistrade, Inc. | 3 |
2 |
| Novinium, Inc. | 17 |
2 |
| Oatey Co. | 213 |
2 |
| Odour Technologies Pty Ltd | 3 |
2 |
| Raccords et Plastiques Nicoll | 15 |
2 |
| Tokyo Metropolitan Sewerage Service Corporation | 19 |
2 |
| Heyward Florida Incorporated | 2 |
2 |
| Aktiebolaget Durgo | 4 |
1 |
| A.r.i. Flow Control Accessories Ltd. | 14 |
1 |
| Camfil AB | 233 |
1 |
| Consolidated Edison Company of New York, Inc. | 68 |
1 |
| DeZURIK, Inc. | 47 |
1 |
| Dorot Management Control Valves Ltd. | 11 |
1 |
| Heat-Line Corporation | 31 |
1 |
| Inventive Resources, Inc. | 7 |
1 |
| McAlpine & Co Limited | 51 |
1 |
| Other owners | 17 |