Inventor · disambiguated record
Guanhua Ni
Also filed as: Ni guanhua
3 granted patents·0 citations·filing 2016–2020
36Inventor score
Files withUNIV SHANDONG SCIENCE & TECH3
Top patents by PatentIndex Score
3 records- 0149US11396810B2Full-length screen pipe hole protection device and method with pressurized hole packing in soft coal seamUNIV SHANDONG SCIENCE & TECH·Filed 2020·Granted Jul 26, 2022·0 cites·2 claims
- 0234US10253629B2Test apparatus and a test method for the wetted perimeter of coal seam water injectionUNIV SHANDONG SCIENCE & TECH·Filed 2016·Granted Apr 9, 2019·0 cites·5 claims
- 0333US11506041B2Drilling-slitting-sealing-fracturing device and method for a deep low-permeability gassy coal seamUNIV SHANDONG SCIENCE & TECH·Filed 2020·Granted Nov 22, 2022·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →