Inventor · disambiguated record
Richard Howk
Also filed as: HOWK RICHARD · HOWK RICHARD A
20 granted patents·445 citations·filing 1987–2016
96Inventor score
Technology areasB01F
Top patents by PatentIndex Score
20 records- 0194US7473025B1Mixing impeller with spiral leading edgeSPX CORP·Filed 2008·Granted Jan 6, 2009·30 cites·20 claims
- 0287US6142458AMixing system for dispersion of gas into liquid mediaGEN SIGNAL CORP·Filed 1998·Granted Nov 7, 2000·78 cites·13 claims
- 0387US4896971AMixing apparatusGEN SIGNAL CORP·Filed 1987·Granted Jan 30, 1990·64 cites·21 claims
- 0478US7331704B2Start-up method for draft tube mixingSPX CORP·Filed 2005·Granted Feb 19, 2008·9 cites·19 claims
- 0572US6109449AMixing system for separation of materials by flotationGEN SIGNAL CORP·Filed 1998·Granted Aug 29, 2000·44 cites·22 claims
- 0671US7168848B2Axial-pumping impeller apparatus and method for magnetically-coupled mixerSPX CORP·Filed 2003·Granted Jan 30, 2007·16 cites·22 claims
- 0770US6997444B2Radial disc impeller apparatus and methodSPX CORP·Filed 2003·Granted Feb 14, 2006·17 cites·12 claims
- 0870US6896246B2Aeration apparatus and methodSPX CORP·Filed 2002·Granted May 24, 2005·17 cites·13 claims
- 0969US5925293AMixer sparging apparatusGEN SIGNAL CORP·Filed 1997·Granted Jul 20, 1999·34 cites·23 claims
- 1068US6796707B2Dual direction mixing impeller and methodSPX CORP·Filed 2002·Granted Sep 28, 2004·14 cites·6 claims
- 1166US9289733B2Mixing apparatus with stationary shaftMAXON JAMES·Filed 2013·Granted Mar 22, 2016·4 cites·18 claims
- 1261US5046245AMethods of fabricating impeller blades for mixing apparatusGEN SIGNAL CORP·Filed 1990·Granted Sep 10, 1991·25 cites·8 claims
- 1358US5511881AImpeller system and method for enhanced-flow pumping of liquidsGEN SIGNAL CORP·Filed 1995·Granted Apr 30, 1996·26 cites·47 claims
- 1450US5006283AMixing system for dispersing a compressible fluid such as gas into liquid in a vesselGEN SIGNAL CORP·Filed 1988·Granted Apr 9, 1991·18 cites·8 claims
- 1545US5501523AImpeller system for mixing and enhanced-flow pumping of liquidsGEN SIGNAL CORP·Filed 1995·Granted Mar 26, 1996·14 cites·17 claims
- 1645US5005843AChuck mechanism for detachably connecting impeller shaft and drive unit of mixing apparatusGEN SIGNAL CORP·Filed 1989·Granted Apr 9, 1991·13 cites·22 claims
- 1742US10670034B2Trimable impeller device and systemSPX FLOW INC·Filed 2016·Granted Jun 2, 2020·0 cites·4 claims
- 1838US5203630ASide entry fluid mixingGEN SIGNAL CORP·Filed 1992·Granted Apr 20, 1993·8 cites·15 claims
- 1938US5118199ASide entry mixer apparatusGEN SIGNAL CORP·Filed 1991·Granted Jun 2, 1992·8 cites·22 claims
- 2027US5152934AMixing system for gas dispersion in liquids or liquid suspensionsGEN SIGNAL CORP·Filed 1991·Granted Oct 6, 1992·6 cites·4 claims
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