Inventor · disambiguated record
Hedayat H. Hassanzadeh
Also filed as: HASSANZADEH HEDAYAT H
3 granted patents·96 citations·filing 1985–1991
75Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0161US5150756AWell completion apparatusLYNCH DAVIS INC·Filed 1991·Granted Sep 29, 1992·43 cites·4 claims
- 0254US4625762AAuto-fill flow valveWEATHERFORD US INC·Filed 1985·Granted Dec 2, 1986·25 cites·13 claims
- 0352US4909322ACasing centralizerLYNCH DAVIS INC·Filed 1989·Granted Mar 20, 1990·28 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →