Assignee
PFANNENBERG OTTO GMBH
DE·3 granted patents·101 citations·filing 1998–2000
Top patents by PatentIndex Score
3 records- 0177US6110245AFiltering ventilator or outlet filterPFANNENBERG OTTO GMBH·Filed 1999·Granted Aug 29, 2000·60 cites·8 claims
- 0276USD465528SLogo in form of stickers, imprintsPFANNENBERG OTTO GMBH·Filed 2000·Granted Nov 12, 2002·23 cites·1 claims
- 0345US6170562B1Device for the exchange of thermal energy between the interior of a housing and an environmentPFANNENBERG OTTO GMBH·Filed 1998·Granted Jan 9, 2001·18 cites·13 claims
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