Inventor · disambiguated record
Donald N. Ruehrwein
Also filed as: RUEHRWEIN DONALD N · RUEHRWEIN DONALD NEIL
10 granted patents·135 citations·filing 1995–2010
90Inventor score
Top patents by PatentIndex Score
10 records- 0178US7748891B2Liquid storage tank with draft tube mixing systemCHICAGO BRIDGE & IRON CO·Filed 2007·Granted Jul 6, 2010·8 cites·3 claims
- 0275US8157432B2Method of mixing a fluid in a tank with a draft tube mixing systemTYSSE JAMES B·Filed 2010·Granted Apr 17, 2012·5 cites·22 claims
- 0370US5735600AMethod and apparatus for automatically mixing drinking water in a reservoirCHICAGO BRIDGE & IRON TECH·Filed 1996·Granted Apr 7, 1998·36 cites·16 claims
- 0460US5716519AApparatus for discharging fluid additives into a water treatment vesselCHICAGO BRIDGE & IRON TECH·Filed 1996·Granted Feb 10, 1998·30 cites·19 claims
- 0557US6814874B2Claricone sludge level control systemCHICAGO BRIDGE & IRON CO·Filed 2002·Granted Nov 9, 2004·7 cites·19 claims
- 0657US6673240B2Feed control system for liquid clarification tanksFiled 2001·Granted Jan 6, 2004·7 cites·47 claims
- 0749US6321916B1Liquid clarification tankCHICAGO BRIDGE & IRON CO·Filed 2000·Granted Nov 27, 2001·5 cites·9 claims
- 0847US5958249AMethod and apparatus for withdrawing effluent from a solids-contacting vesselCHICAGO BRIDGE & IRON CO·Filed 1997·Granted Sep 28, 1999·16 cites·16 claims
- 0946US5695648AMethod and apparatus for withdrawing effluent from a solids-contacting vessel having an adjustable weirCHICAGO BRIDGE & IRON TECH·Filed 1995·Granted Dec 9, 1997·15 cites·17 claims
- 1034US6092671ALiquid clarification tankCHICAGO BRIDGE & IRON CO·Filed 1998·Granted Jul 25, 2000·6 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →