Assignee
OLIVEIRA & IRMAO SA
US·4 granted patents·15 citations·filing 2002–2007
Top patents by PatentIndex Score
4 records- 0145USD559358SFloat operated feed valveOLIVEIRA & IRMAO SA·Filed 2007·Granted Jan 8, 2008·7 cites·1 claims
- 0242US6848668B2Silent-operating device for feeding water into a tank, in particular for filling a lavatory flush tankOLIVEIRA & IRMAO SA·Filed 2002·Granted Feb 1, 2005·2 cites·21 claims
- 0339US6810904B2Lavatory flush tank silent-operating fill deviceOLIVEIRA & IRMAO SA·Filed 2003·Granted Nov 2, 2004·4 cites·13 claims
- 0428USD538888SFloat-operated feed valveOLIVEIRA & IRMAO SA·Filed 2005·Granted Mar 20, 2007·2 cites·1 claims
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