Inventor · disambiguated record
Frits-Jan Koppert
Also filed as: KOPPERT FRITS-JAN
3 granted patents·8 citations·filing 2001–2005
58Inventor score
Top patents by PatentIndex Score
3 records- 0157US7399143B2Method for making a channel in the ground, excavating device for making a channel in the ground, assembly comprising an excavating device and a construction elementHEEREMA MARINE CONTRACTORS NL·Filed 2005·Granted Jul 15, 2008·2 cites·50 claims
- 0250US7735709B2Apparatus and method for joining pipe ends togetherHEEREMA MARINE CONTRACTORS NL·Filed 2003·Granted Jun 15, 2010·6 cites·10 claims
- 0310US6385868B2Jet excavating deviceHEEREMA HOLDING CONSTRUCTION I·Filed 2001·Granted May 14, 2002·0 cites·46 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →