Inventor · disambiguated record
Wai Fun (Bill) Cheng
Also filed as: CHENG WAI F · CHENG WAI FUN · CHENG WAI FUN BILL
5 granted patents·270 citations·filing 1991–2002
85Inventor score
Technology areasB65D
Top patents by PatentIndex Score
5 records- 0193USD469689SRectangular stackable containerW Y IND INC·Filed 2002·Granted Feb 4, 2003·87 cites·1 claims
- 0291USD475621SRound stackable containerW Y IND INC·Filed 2002·Granted Jun 10, 2003·64 cites·1 claims
- 0391USD470048SRectangular fluted stackable containerW Y IND INC·Filed 2002·Granted Feb 11, 2003·62 cites·1 claims
- 0452US5816484AFood containerWY IND INC·Filed 1996·Granted Oct 6, 1998·27 cites·14 claims
- 0552US5489063AFood containerW Y PLASTICS PROD CORP·Filed 1991·Granted Feb 6, 1996·30 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →