Inventor · disambiguated record

David B. Hallen

Also filed as: HALLEN DAVID B

2 granted patents·11 citations·filing 2010–2016

53Inventor score

Technology areasB66D

Files withLINCOLN PREC MACHINING COMPANY1 PERDUTA RICHARD A1

Top patents by PatentIndex Score

2 records

0175US8424846B1Overload warning system for a winch hoistPERDUTA RICHARD A·Filed 2010·Granted Apr 23, 2013·10 cites·12 claims
0254US10173871B2Winch hoist pull pin handleLINCOLN PREC MACHINING COMPANY·Filed 2016·Granted Jan 8, 2019·1 cites·10 claims

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