Inventor · disambiguated record
Perry P. Sifford
Also filed as: SIFFORD PERRY P
5 granted patents·337 citations·filing 1974–1990
85Inventor score
Top patents by PatentIndex Score
5 records- 0197US4979872ABearing compartment supportUNITED TECHNOLOGIES CORP·Filed 1989·Granted Dec 25, 1990·197 cites·7 claims
- 0281US3990807AThermal response shroud for rotating bodyUNITED TECHNOLOGIES CORP·Filed 1974·Granted Nov 9, 1976·33 cites·8 claims
- 0375US5092735ABlade outer air seal cooling systemUS AIR FORCE·Filed 1990·Granted Mar 3, 1992·61 cites·15 claims
- 0461US4355957ABlade damperUNITED TECHNOLOGIES CORP·Filed 1981·Granted Oct 26, 1982·30 cites·5 claims
- 0556US4347040ABlade to blade vibration damperUNITED TECHNOLOGIES CORP·Filed 1980·Granted Aug 31, 1982·16 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →