Inventor · disambiguated record
Friedhold Brost
Also filed as: BROST FRIEDHOLD · HUNTER DOUGLAS A
3 granted patents·112 citations·filing 2005–2010
76Inventor score
Technology areasE21B
Top patents by PatentIndex Score
3 records- 0190US8215887B2Pipe-handling apparatus and methodsFIKOWSKI LARRY M·Filed 2010·Granted Jul 10, 2012·33 cites·29 claims
- 0290US7832974B2Pipe-handling apparatusCANRIG DRILLING TECH LTD·Filed 2005·Granted Nov 16, 2010·57 cites·22 claims
- 0378US8042432B2Oilfield tubular torque wrenchCANRIG DRILLING TECH LTD·Filed 2009·Granted Oct 25, 2011·22 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →