Individual holder
LAST HARRY J
13 granted patents·298 citations·filing 1988–2015
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
13 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
- 0373US8438671B2Automated pool-deck lid lift system for below deck pool cover housing troughsLAST HARRY J·Filed 2009·Granted May 14, 2013·4 cites·9 claims
- 0469US5067184ACover drum having tapered ends and automatic swimming pool coverLAST HARRY J·Filed 1990·Granted Nov 26, 1991·28 cites·37 claims
- 0567US7204291B2Modular lid and actuator for underwater pool cover drum enclosureLAST HARRY J·Filed 2004·Granted Apr 17, 2007·12 cites·6 claims
- 0664US5327590AAutomatic swimming pool cover with a dual hydraulic drive systemLAST HARRY J·Filed 1992·Granted Jul 12, 1994·29 cites·15 claims
- 0762US7464416B2Passive tensioning mechanism for underwater buoyant-slat automatic pool cover systemsLAST HARRY J·Filed 2007·Granted Dec 16, 2008·0 cites·2 claims
- 0861US5184357AAutomatic swimming pool cover with a dual hydraulic drive systemLAST HARRY J·Filed 1990·Granted Feb 9, 1993·20 cites·6 claims
- 0955US7047575B2Hinge coupling three buoyant-slat pool cover sectionsLAST HARRY J·Filed 2004·Granted May 23, 2006·4 cites·2 claims
- 1053US7409732B2Providing 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
- 1148US7748215B2Anti-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
- 1245US5349707ASplit stop for automatic swimming pool covers with a hydraulic drive systemLAST HARRY J·Filed 1993·Granted Sep 27, 1994·16 cites·14 claims
- 1341US9453353B2Two-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
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