Inventor · disambiguated record
Roger Engelsgaard
Also filed as: ENGELSGAARD ROGER
2 granted patents·1 pending application·30 citations·filing 2005–2008
62Inventor score
Top patents by PatentIndex Score
3 records- 0179US7635434B2Treatment system and method for treating liquid concrete washout wasteCONCRETE WASHOUT SYSTEMS INC·Filed 2008·Granted Dec 22, 2009·23 cites·10 claims
- 0274US7494586B2Treatment system for liquid concrete washout wasteCONCRETE WASHOUT SYSTEMS INC·Filed 2005·Granted Feb 24, 2009·7 cites·13 claims
- 0336US2006059653A1Truck mounted liquid concrete waste vacuum systemMICKELSON KEVIN·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →