Inventor · disambiguated record
Qizhong Sheng
Also filed as: SHENG QIZHONG
5 granted patents·16 citations·filing 1999–2011
75Inventor score
Top patents by PatentIndex Score
5 records- 0182US8069880B2Pressure cast concrete or mortar lined steel pipes and methods of making the sameFRIEDRICH RALPH S·Filed 2008·Granted Dec 6, 2011·6 cites·34 claims
- 0266US8627854B2Pressure cast concrete or mortar lined steel pipes and methods of making the sameFRIEDRICH RALPH S·Filed 2011·Granted Jan 14, 2014·2 cites·19 claims
- 0352US8944114B2Mortar-coated steel pipes and methods of making the sameMUELLER RICHARD I·Filed 2011·Granted Feb 3, 2015·2 cites·44 claims
- 0427US6363975B1Bonding of steel strips in steel strip laminate pipeAMERON INT CORP·Filed 1999·Granted Apr 2, 2002·1 cites·20 claims
- 0526US6273143B1Bonding of steel strips in steel strip laminate pipeAMERON INT CORP·Filed 1999·Granted Aug 14, 2001·5 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →