Inventor · disambiguated record
Haihua Xu
Also filed as: XU HAIHUA
3 granted patents·6 citations·filing 2015–2018
57Inventor score
Top patents by PatentIndex Score
3 records- 0164US11268318B2Frame forming structure for use with frame and sash of aluminium-wood combined door/windowZHEJIANG ROOMEYE ENERGY SAVING TECH CO LTD·Filed 2018·Granted Mar 8, 2022·4 cites·4 claims
- 0253US10641034B2Assembly frame structure of wooden casement window and corner assembly methodZHEJIANG ROOMEYE ENERGY SAVING TECH CO LTD·Filed 2015·Granted May 5, 2020·2 cites·4 claims
- 0340US10683064B2Pipe-like appendage for pontoon structureKEPPEL OFFSHORE & MARINE TECH CT PTE LTD·Filed 2016·Granted Jun 16, 2020·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →