Inventor · disambiguated record
William M. Heyn
Also filed as: HEYN WILLIAM M
13 granted patents·3 pending applications·285 citations·filing 1980–2014
93Inventor score
Top patents by PatentIndex Score
16 records- 0185US10287039B2Induction heat sealed container closuresHEYN WILLIAM M·Filed 2014·Granted May 14, 2019·9 cites·14 claims
- 0282US5125528AContainer closure, and method for producing samePOLYSTAR PACKAGING INC·Filed 1989·Granted Jun 30, 1992·52 cites·8 claims
- 0371US4407424APlastic plug type closure for beverage containersCONTINENTAL GROUP·Filed 1982·Granted Oct 4, 1983·36 cites·10 claims
- 0465US5085339AReclosable container closurePOLYSTAR PACKAGING INC·Filed 1990·Granted Feb 4, 1992·36 cites·6 claims
- 0564US6258312B1Method for producing a container closurePOLYSTAR PACKAGING INC·Filed 1994·Granted Jul 10, 2001·34 cites·11 claims
- 0663US6033613AMethod of molding a peripheral frame with a panel insertPOLYSTAR PACKAGING INC·Filed 1994·Granted Mar 7, 2000·16 cites·3 claims
- 0762US4440310AClosure for domed beverage containers and the likeCONTINENTAL GROUP·Filed 1983·Granted Apr 3, 1984·27 cites·16 claims
- 0862US4318494AEasy opening container with vent meansCONTINENTAL GROUP·Filed 1980·Granted Mar 9, 1982·27 cites·8 claims
- 0961US5273416AApparatus for making an injection molded frame having a panel insertPOLYSTAR PACKAGING INC·Filed 1991·Granted Dec 28, 1993·15 cites·4 claims
- 1051US5360588AMethod of making an injection molded frame having a panel insertPOLYSTAR PACKAGING INC·Filed 1993·Granted Nov 1, 1994·10 cites·4 claims
- 1151US2006191940A1Sealing surfaces for container end panelsHEYN WILLIAM M·Filed 2006·Application pending·0 cites
- 1249US8052367B2Angled sealing surface for container end panelHEYN WILLIAM M·Filed 2005·Granted Nov 8, 2011·0 cites·7 claims
- 1348US2009065467A1Overcap for a containerHEYN WILLIAM M·Filed 2005·Application pending·0 cites
- 1447US2016083166A1Heat sealing on multiple angled container flangesHEYN WILLIAM M·Filed 2014·Application pending·0 cites
- 1543US4427128ACan and closure thereforCONTINENTAL GROUP·Filed 1982·Granted Jan 24, 1984·12 cites·6 claims
- 1641US5830398AMethod for forming container closurePOLYSTAR PACKAGING INC·Filed 1992·Granted Nov 3, 1998·11 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →