Inventor · disambiguated record
William J. Kapolas
Also filed as: KAPOLAS WILLIAM · KAPOLAS WILLIAM J
16 granted patents·4 pending applications·137 citations·filing 1983–2024
93Inventor score
Technology areasB65D
Files withSilgan White Cap LLC12SILGAN CONTAINERS LLC3CONTINENTAL WHITE CAP INC2KAPOLAS WILLIAM J1KRAS STEPHEN1
Top patents by PatentIndex Score
20 records- 0193US9694946B2Metal closure with low pressure engagement lugsSilgan White Cap LLC·Filed 2016·Granted Jul 4, 2017·9 cites·14 claims
- 0293USD703057SScrew-top containerSILGAN CONTAINERS LLC·Filed 2013·Granted Apr 22, 2014·14 cites·1 claims
- 0393USD690599SScrew-top containerSILGAN CONTAINERS LLC·Filed 2012·Granted Oct 1, 2013·14 cites·1 claims
- 0492USD734155SScrew-top containerSILGAN CONTAINERS LLC·Filed 2014·Granted Jul 14, 2015·12 cites·1 claims
- 0586USD906813SLidSilgan White Cap LLC·Filed 2020·Granted Jan 5, 2021·8 cites·1 claims
- 0686US8596477B2Retortable package with plastic closure capKRAS STEPHEN·Filed 2006·Granted Dec 3, 2013·25 cites·22 claims
- 0782USD805900SLidSilgan White Cap LLC·Filed 2016·Granted Dec 26, 2017·16 cites·1 claims
- 0871US2024270451A1Composite Closure Having Improved SealSilgan White Cap LLC·Filed 2024·Application pending·0 cites
- 0970US8893906B2Metal closure and seal combination for maintaining the shape of a plastic container neckSilgan White Cap LLC·Filed 2013·Granted Nov 25, 2014·2 cites·21 claims
- 1066USD861485SLidSilgan White Cap LLC·Filed 2017·Granted Oct 1, 2019·7 cites·1 claims
- 1164US2019329939A1Metal Closure with Low Pressure Engagement LugsSilgan White Cap LLC·Filed 2019·Application pending·0 cites
- 1263US11999534B2Composite closure having improved sealSilgan White Cap LLC·Filed 2022·Granted Jun 4, 2024·0 cites·17 claims
- 1362US9688451B2Composite closure with seal indicating panelKAPOLAS WILLIAM J·Filed 2013·Granted Jun 27, 2017·2 cites·17 claims
- 1461US9221586B2Metal closure and seal combination for maintaining the shape of a plastic container neckSilgan White Cap LLC·Filed 2014·Granted Dec 29, 2015·0 cites·24 claims
- 1560US10364070B2Metal closure with low pressure engagement lugsSilgan White Cap LLC·Filed 2017·Granted Jul 30, 2019·0 cites·18 claims
- 1657USD888555SLidSilgan White Cap LLC·Filed 2019·Granted Jun 30, 2020·4 cites·1 claims
- 1750US2012031913A1Shaped, Threaded Metal CanMOORE SETH·Filed 2011·Application pending·0 cites
- 1844US4533059AVacuum-tamper indicating button for smaller diameter caps and the likeCONTINENTAL WHITE CAP INC·Filed 1984·Granted Aug 6, 1985·18 cites·17 claims
- 1941US2018346205A1Closure with gasketSilgan White Cap LLC·Filed 2017·Application pending·0 cites
- 2034US4448320AClosure with plastisol liner defining a retaining beadCONTINENTAL WHITE CAP INC·Filed 1983·Granted May 15, 1984·6 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →