Inventor · disambiguated record
Paulo Roberto Leite Nóbrega
Also filed as: NOBREGA PAULO R L · NOBREGA PAULO ROBERTO LEITE
3 granted patents·2 pending applications·34 citations·filing 2006–2014
69Inventor score
Technology areasF16J
Top patents by PatentIndex Score
5 records- 0189US7878508B2Compact restictive seal for bearing housingsPETROLEO BRASILEIRO SA·Filed 2010·Granted Feb 1, 2011·14 cites·9 claims
- 0280US8201830B2Airtight magnetic seal for bearing casingsNOBREGA PAULO ROBERTO LEITE·Filed 2009·Granted Jun 19, 2012·17 cites·5 claims
- 0370US9404584B2Compact restictive seal for bearing housingsPETROLEO BRASILEIRO S A -PETROBRAS·Filed 2014·Granted Aug 2, 2016·3 cites·15 claims
- 0452US2010052264A1Compact restrictive seal for bearing housingsPETROLEO BRASILEIRO SA·Filed 2009·Application pending·0 cites
- 0544US2007194536A1Airtight magnetic seal for bearing casingsPETROLEO BRASILEIRO SA·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →