Inventor · disambiguated record
Fred Wong
Also filed as: WONG FRED · WONG FRED S
6 granted patents·452 citations·filing 1983–2018
87Inventor score
Files withHYDRIL CO2GRACE ENERGY CORP1HONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD1RAPRO TECHNOLOGY1RAPRO TECHNOLOGY INC1
Top patents by PatentIndex Score
6 records- 0194US5156820AReaction chamber with controlled radiant energy heating and distributed reactant flowRAPRO TECHNOLOGY INC·Filed 1989·Granted Oct 20, 1992·183 cites·55 claims
- 0293US10219106B1Secure BLE broadcast system for location based serviceHONG KONG APPLIED SCIENCE & TECH RESEARCH INST CO LTD·Filed 2018·Granted Feb 26, 2019·24 cites·20 claims
- 0391US5002630AMethod for high temperature thermal processing with reduced convective heat lossRAPRO TECHNOLOGY·Filed 1989·Granted Mar 26, 1991·88 cites·13 claims
- 0484US5263683ASliding sleeve valveGRACE ENERGY CORP·Filed 1992·Granted Nov 23, 1993·119 cites·33 claims
- 0560US4603742ASubsurface safety valveHYDRIL CO·Filed 1985·Granted Aug 5, 1986·33 cites·2 claims
- 0628US4552219ASubsurface safety valveHYDRIL CO·Filed 1983·Granted Nov 12, 1985·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →