Inventor · disambiguated record
Gangfu Zhang
Also filed as: ZHANG GANGFU
4 granted patents·86 citations·filing 2000–2005
79Inventor score
Top patents by PatentIndex Score
4 records- 0186US7353843B2Sequencing valve and hydronic systemHAYS FLUID CONTROLS A DIVISION·Filed 2005·Granted Apr 8, 2008·17 cites·11 claims
- 0279US6983764B2Sequencing valve and hydronic systemHAYS FLUID CONTROLS A DIVISION·Filed 2003·Granted Jan 10, 2006·24 cites·11 claims
- 0369US6390122B1Fluid flow control valve and orifice thereforHAYS FLUID CONTROLS A DIVISION·Filed 2000·Granted May 21, 2002·27 cites·36 claims
- 0468US6595235B1Two-way orifice seatHAYS FLUID CONTROLS A DIVISON·Filed 2003·Granted Jul 22, 2003·18 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →