Inventor · disambiguated record
Martin Kwan Yu Leung
Also filed as: LEUNG MARTIN · LEUNG MARTIN K · Leung Martin Kwan Yu
16 granted patents·2 pending applications·78 citations·filing 1995–2024
91Inventor score
Top patents by PatentIndex Score
18 records- 0171USD900983SSecondary double containment pipeIPEX TECH INC·Filed 2019·Granted Nov 3, 2020·14 cites·1 claims
- 0271USD798423SPipe with extended bell portionIPEX TECH INC·Filed 2015·Granted Sep 26, 2017·20 cites·1 claims
- 0368USD1034921SPipe-to-fitting connectionIPEX TECH INC·Filed 2022·Granted Jul 9, 2024·5 cites·1 claims
- 0467US10401027B2Non-return valve for flue gas venting and damper assembly for use thereinIPEX TECH INC·Filed 2017·Granted Sep 3, 2019·1 cites·24 claims
- 0566US10088156B2Water heater venting assemblyLeung Martin Kwan Yu·Filed 2017·Granted Oct 2, 2018·2 cites·26 claims
- 0665USD1034925SPipe-to-pipe connectionIPEX TECH INC·Filed 2022·Granted Jul 9, 2024·4 cites·1 claims
- 0764US11906096B2Thermal expansion compensating device and method of useIPEX TECH INC·Filed 2021·Granted Feb 20, 2024·0 cites·22 claims
- 0857US11193618B2Thermal expansion compensating device and method of useIPEX TECH INC·Filed 2018·Granted Dec 7, 2021·0 cites·13 claims
- 0953US2021386137A1Face shield systemIPEX TECH INC·Filed 2020·Application pending·0 cites
- 1052US2025237333A1Solvent Free Jointing Method for Pressure ApplicationsIPEX TECH INC·Filed 2024·Application pending·0 cites
- 1150USD873389SDouble containment elbow fittingIPEX TECH INC·Filed 2018·Granted Jan 21, 2020·6 cites·1 claims
- 1248USD1086834SPlastic pipe grooving toolIPEX TECH INC·Filed 2023·Granted Aug 5, 2025·1 cites·1 claims
- 1337USD837742SSurface mount outdoor receptacle boxIPEX TECH INC·Filed 2017·Granted Jan 8, 2019·4 cites·1 claims
- 1435US5491819ASystem and method for merging and separating attributes of consolesIBM·Filed 1995·Granted Feb 13, 1996·14 cites·21 claims
- 1530USD882738SDouble containment couplingIPEX TECH INC·Filed 2018·Granted Apr 28, 2020·1 cites·1 claims
- 1628US5628006AComputer program product and program storage device for merging and separating attributes of consolesIBM·Filed 1995·Granted May 6, 1997·6 cites·19 claims
- 1727USD906496SWater heater venting assemblyIPEX TECH INC·Filed 2019·Granted Dec 29, 2020·0 cites·1 claims
- 1826USD857858SThermal expansion deviceIPEX TECH INC·Filed 2017·Granted Aug 27, 2019·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →