Inventor · disambiguated record
Harry J. Last
Also filed as: LAST HARRY J
25 granted patents·1 pending application·540 citations·filing 1988–2015
96Inventor score
Top patents by PatentIndex Score
26 records- 0197US4939798ALeading edge and track slider system for an automatic swimming pool coverLAST HARRY J·Filed 1988·Granted Jul 10, 1990·145 cites·50 claims
- 0294US7155910B2Dual, coupled check valve for direct drive, reversible power sources for hydraulic systemsLAST HARRY J·Filed 2004·Granted Jan 2, 2007·39 cites·3 claims
- 0385US8205319B1Two piece corner framing element for swimming pool extrusions with pool-liner anchor channelsDUNN DAVID·Filed 2011·Granted Jun 26, 2012·10 cites·2 claims
- 0484US5950253ATrack assembly for flexible enclosure coversFiled 1998·Granted Sep 14, 1999·50 cites·30 claims
- 0577US6026522AManual cover drive for swimming poolsFiled 1999·Granted Feb 22, 2000·35 cites·24 claims
- 0673US8438671B2Automated pool-deck lid lift system for below deck pool cover housing troughsLAST HARRY J·Filed 2009·Granted May 14, 2013·4 cites·9 claims
- 0772US6827120B2Automatic pool cover system using buoyant-slat pool coversFiled 2001·Granted Dec 7, 2004·18 cites·41 claims
- 0872US5546751AAnti-cavitation manifold for drive coupled, dual motor, reversible hydraulic drive systemsFiled 1994·Granted Aug 20, 1996·25 cites·21 claims
- 0970US5930848AManual cover drive for swimming poolsFiled 1998·Granted Aug 3, 1999·28 cites·41 claims
- 1069US6390680B1Extruded track construct component system with threaded radial bearing end pulley for swimming pool cover systemsFiled 2000·Granted May 21, 2002·13 cites·7 claims
- 1169US5067184ACover drum having tapered ends and automatic swimming pool coverLAST HARRY J·Filed 1990·Granted Nov 26, 1991·28 cites·37 claims
- 1267US7204291B2Modular lid and actuator for underwater pool cover drum enclosureLAST HARRY J·Filed 2004·Granted Apr 17, 2007·12 cites·6 claims
- 1365US5799342AManual cover drive for swimming poolsFiled 1995·Granted Sep 1, 1998·25 cites·15 claims
- 1464US5327590AAutomatic swimming pool cover with a dual hydraulic drive systemLAST HARRY J·Filed 1992·Granted Jul 12, 1994·29 cites·15 claims
- 1563US6496990B2Extruded track construct component system for swimming pool cover systemsFiled 2002·Granted Dec 24, 2002·9 cites·18 claims
- 1662US7464416B2Passive tensioning mechanism for underwater buoyant-slat automatic pool cover systemsLAST HARRY J·Filed 2007·Granted Dec 16, 2008·0 cites·2 claims
- 1761US5184357AAutomatic swimming pool cover with a dual hydraulic drive systemLAST HARRY J·Filed 1990·Granted Feb 9, 1993·20 cites·6 claims
- 1855US7047575B2Hinge coupling three buoyant-slat pool cover sectionsLAST HARRY J·Filed 2004·Granted May 23, 2006·4 cites·2 claims
- 1953US7409732B2Providing unidirectional hinge, increased buoyancy and passive tensioning for buoyant-slat automatic pool cover systemsLAST HARRY J·Filed 2004·Granted Aug 12, 2008·1 cites·2 claims
- 2051US8291528B1Two piece corner framing element for swimming pool extrusions with pool-liner anchor channelsDUNN DAVID·Filed 2012·Granted Oct 23, 2012·0 cites·5 claims
- 2148US7748215B2Anti-cavitation manifold for drive coupled, dual motor reversible hydraulic drive winding and unwinding systemsLAST HARRY J·Filed 2008·Granted Jul 6, 2010·0 cites·3 claims
- 2246US5927042AComposite beam enclosure structureFiled 1997·Granted Jul 27, 1999·16 cites·10 claims
- 2345US5349707ASplit stop for automatic swimming pool covers with a hydraulic drive systemLAST HARRY J·Filed 1993·Granted Sep 27, 1994·16 cites·14 claims
- 2444US5845343ATrack assembly for flexible enclosure coversFiled 1997·Granted Dec 8, 1998·13 cites·21 claims
- 2541US9453353B2Two-piece detachable bracket for supporting pool deck-lid modules covering below deck troughs housing powered pool cover systemsLAST HARRY J·Filed 2015·Granted Sep 27, 2016·0 cites·1 claims
- 2640US2002116756A1Swimming pool cover having reduced friction during slidable movementFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →