Inventor · disambiguated record

Nicholas H. Werthessen

Also filed as: WERTHESSEN NICHOLAS H

2 granted patents·24 citations·filing 1981–1984

53Inventor score

Technology areasE02D

Files withAMERICAN PILE DRIVING CORP1 FRU CON CONSTRUCTION CORP1

Top patents by PatentIndex Score

2 records

0155US4430024AHydraulically operated mandrelsAMERICAN PILE DRIVING CORP·Filed 1981·Granted Feb 7, 1984·24 cites·14 claims
0213US4616958ARetraction assemblies for expansible mandrelsFRU CON CONSTRUCTION CORP·Filed 1984·Granted Oct 14, 1986·0 cites·12 claims

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