Inventor · disambiguated record

Ralph D. Costanzo

Also filed as: COSTANZO RALPH D

2 granted patents·52 citations·filing 1991–2002

64Inventor score

Technology areasB64C B64U

Files withSIKORSKY AIRCRAFT CORP1 UNITED TECHNOLOGIES CORP1

Top patents by PatentIndex Score

2 records

0185US6672538B2Transmission for a coaxial counter rotating rotor systemSIKORSKY AIRCRAFT CORP·Filed 2002·Granted Jan 6, 2004·40 cites·26 claims
0234US5149013ARetractable helicopter rotorUNITED TECHNOLOGIES CORP·Filed 1991·Granted Sep 22, 1992·12 cites·7 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →