Assignee
SHANDONG CHAMBROAD HOLDING GROUP CO LTD
CN·4 granted patents·0 citations·filing 2021–2021
Top patents by PatentIndex Score
4 records- 0141US11702277B2Fully soil-covered structure of vertical tank bodySHANDONG CHAMBROAD HOLDING GROUP CO LTD·Filed 2021·Granted Jul 18, 2023·0 cites·11 claims
- 0240US11774041B2Integral side slope structure of soil covering tankSHANDONG CHAMBROAD HOLDING GROUP CO LTD·Filed 2021·Granted Oct 3, 2023·0 cites·9 claims
- 0339US11867360B2Closed-loop safety ventilation system for fully-mounded tankSHANDONG CHAMBROAD HOLDING GROUP CO LTD·Filed 2021·Granted Jan 9, 2024·0 cites·8 claims
- 0435US11702279B2Built-in valve chamber of tank completely covered with soilSHANDONG CHAMBROAD HOLDING GROUP CO LTD·Filed 2021·Granted Jul 18, 2023·0 cites·5 claims
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