Individual holder
PELFREY PHILIP C
US·3 granted patents·9 citations·filing 2009–2010
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0160US8333544B1Card seal for a turbomachinePELFREY PHILIP C·Filed 2009·Granted Dec 18, 2012·7 cites·16 claims
- 0250US8613189B1Centrifugal impeller for a rocket engine having high and low pressure outletsPELFREY PHILIP C·Filed 2009·Granted Dec 24, 2013·2 cites·4 claims
- 0343US8596960B1Turbopump with a tapered hydrostatic bearingPELFREY PHILIP C·Filed 2010·Granted Dec 3, 2013·0 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →