Assignee
HARMAN JAMES ROGER
US·3 granted patents·1 pending application·64 citations·filing 2004–2017
Top patents by PatentIndex Score
4 records- 0181US7010829B2Retractable hose central vacuum cleaning system apparatus and methodHARMAN JAMES ROGER·Filed 2004·Granted Mar 14, 2006·49 cites·23 claims
- 0280US9717381B2Central vacuum system hose retractor valve with vacuum assisted hose lock and sealHARMAN JAMES ROGER·Filed 2014·Granted Aug 1, 2017·11 cites·20 claims
- 0370US9993126B2Dual port valve assembly and retractable hose central vacuum cleaning systemHARMAN JAMES ROGER·Filed 2012·Granted Jun 12, 2018·4 cites·20 claims
- 0440US2018103814A1Adaptable Vacuum Unit With Adjustable Debris Can EgressHARMAN JAMES ROGER·Filed 2017·Application pending·0 cites
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