Inventor · disambiguated record
Helen Zhuang
Also filed as: ZHUANG HELEN · ZHUANG HELEN QUN
6 granted patents·126 citations·filing 1998–2004
85Inventor score
Technology areasB29C
Files withMOLD MASTERS LTD6
Top patents by PatentIndex Score
6 records- 0190US6789745B1Injection nozzle systemMOLD MASTERS LTD·Filed 2000·Granted Sep 14, 2004·36 cites·15 claims
- 0277US6095790AInjection molding cylindrical manifold insert and methodMOLD MASTERS LTD·Filed 1998·Granted Aug 1, 2000·34 cites·4 claims
- 0373US7201335B2Injection nozzle systemMOLD MASTERS LTD·Filed 2004·Granted Apr 10, 2007·9 cites·21 claims
- 0466US6230384B1Method of making an injection molding cylindrical manifold insertMOLD MASTERS LTD·Filed 1999·Granted May 15, 2001·22 cites·3 claims
- 0554US6196826B1Seepage system for an injection molding apparatusMOLD MASTERS LTD·Filed 1999·Granted Mar 6, 2001·15 cites·25 claims
- 0643US5942257AMulti-layer injection molding apparatus having three position valve memberMOLD MASTERS LTD·Filed 1998·Granted Aug 24, 1999·10 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →