Assignee
SPERIAN HEARING PROT LLC
US·9 granted patents·1 pending application·155 citations·filing 2005–2009
Top patents by PatentIndex Score
10 records- 0186US7766120B2Cap for use as hearing protectionSPERIAN HEARING PROT LLC·Filed 2006·Granted Aug 3, 2010·48 cites·14 claims
- 0285US7967015B2High resilience flanged earplugSPERIAN HEARING PROT LLC·Filed 2007·Granted Jun 28, 2011·39 cites·9 claims
- 0385USD599907SIn-ear coupling tipSPERIAN HEARING PROT LLC·Filed 2007·Granted Sep 8, 2009·16 cites·1 claims
- 0484US7985468B1Foam ear plug or earpiece utilizing recycled pulverized polyurethane foamSPERIAN HEARING PROT LLC·Filed 2008·Granted Jul 26, 2011·6 cites·6 claims
- 0583USD636484SEarplugSPERIAN HEARING PROT LLC·Filed 2009·Granted Apr 19, 2011·22 cites·1 claims
- 0673US7978861B2Method and apparatus for continuous noise exposure monitoringSPERIAN HEARING PROT LLC·Filed 2005·Granted Jul 12, 2011·8 cites·17 claims
- 0770US7712469B2Detectable earplug and cordSPERIAN HEARING PROT LLC·Filed 2005·Granted May 11, 2010·8 cites·2 claims
- 0866US8343397B2Method of forming an in-ear deviceSPERIAN HEARING PROT LLC·Filed 2006·Granted Jan 1, 2013·6 cites·9 claims
- 0947US2009314298A1Headpiece for use in association with a hearing capSPERIAN HEARING PROT LLC·Filed 2007·Application pending·0 cites
- 1035USD601241SIn-ear stemSPERIAN HEARING PROT LLC·Filed 2008·Granted Sep 29, 2009·2 cites·1 claims
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