- All sections
- E - Fixed constructions
- E03B - Installations or methods for obtaining, collecting, or distributing water
- E03B 3/10 - Obtaining and confining water by means of wells by means of pit wells
Patent holdings for IPC class E03B 3/10
Total number of patents in this class: 4
10-year publication summary
|
0
|
2
|
0
|
0
|
1
|
0
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0
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0
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Beijing Rechsand Science & Technology Group Co., Ltd. | 34 |
1 |
| Convergent Market Research, Inc. | 9 |
1 |
| Thru Tubing Solutions, Inc. | 404 |
1 |
| Yancheng Teachers University | 6 |
1 |
| Other owners | 0 |