- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 3/15 - Keeping wells in good condition, e.g. by cleaning, repairing, regeneratingMaintaining or enlarging the capacity of wells or water-bearing layers
Patent holdings for IPC class E03B 3/15
Total number of patents in this class: 27
10-year publication summary
|
3
|
3
|
1
|
1
|
2
|
4
|
0
|
1
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dong-A University Research Foundation for Industry-Academy Cooperation | 195 |
4 |
| Sevee & Maher Engineers, Inc. | 4 |
3 |
| Anue Water Technologies, Inc. | 7 |
1 |
| BESST, Inc. | 13 |
1 |
| HydroPressure Cleaning, Inc. | 5 |
1 |
| Subsurface Technologies, Inc. | 14 |
1 |
| Teftorec GmbH | 1 |
1 |
| Thru Tubing Solutions, Inc. | 379 |
1 |
| Ventora Technologies AG | 5 |
1 |
| Wellntel, Inc. | 4 |
1 |
| Anue Environmental, Inc. | 1 |
1 |
| Grundfos Management a/s | 181 |
1 |
| EDI Exploration Drilling International GmbH | 3 |
1 |
| Uraca Pumpenfabrik GmbH & Co. KG | 2 |
1 |
| Duna-kút Kft. | 3 |
1 |
| Estate 2010 ApS | 1 |
1 |
| Fövárosi Vízművek Zrt. | 4 |
1 |
| G & G Technology Co., Ltd. | 9 |
1 |
| Hydrogea S.r.l. | 1 |
1 |
| Youngquist Brothers, LLC | 2 |
1 |
| Other owners | 2 |