Assignee
ALUMINUM LADDER CO
US·25 granted patents·861 citations·filing 1986–2013
Top patents by PatentIndex Score
25 records- 0195US4679657AMobile tank vehicle access systemALUMINUM LADDER CO·Filed 1986·Granted Jul 14, 1987·84 cites·11 claims
- 0293US7140467B2Bulk material transport vehicle access structureALUMINUM LADDER CO·Filed 2004·Granted Nov 28, 2006·75 cites·7 claims
- 0393US6405831B1Mobile lift unitALUMINUM LADDER CO·Filed 2000·Granted Jun 18, 2002·69 cites·9 claims
- 0492US8051951B2Retractable access platformALUMINUM LADDER CO·Filed 2009·Granted Nov 8, 2011·26 cites·20 claims
- 0592US8015647B2Extended safety cage for retractable gangwayALUMINUM LADDER CO·Filed 2009·Granted Sep 13, 2011·27 cites·19 claims
- 0692US6923140B1Boat access stairwayALUMINUM LADDER CO·Filed 2004·Granted Aug 2, 2005·76 cites·12 claims
- 0791US5042612ABulk material load vehicle access systemALUMINUM LADDER CO·Filed 1990·Granted Aug 27, 1991·61 cites·13 claims
- 0890US9273475B1Cement industry gangwayALUMINUM LADDER CO·Filed 2013·Granted Mar 1, 2016·14 cites·15 claims
- 0990US7216741B2Safety cage for gangwayALUMINUM LADDER CO·Filed 2004·Granted May 15, 2007·60 cites·7 claims
- 1088US7448470B2Maintenance standALUMINUM LADDER CO·Filed 2005·Granted Nov 11, 2008·31 cites·27 claims
- 1186US7832525B2Access platform for flatbedsALUMINUM LADDER CO·Filed 2005·Granted Nov 16, 2010·22 cites·14 claims
- 1286US5392878ABulk material load vehicle access systemALUMINUM LADDER CO·Filed 1993·Granted Feb 28, 1995·43 cites·12 claims
- 1385US9027712B2Adaptable platform for loading and unloading railway carsALUMINUM LADDER CO·Filed 2013·Granted May 12, 2015·16 cites·16 claims
- 1484US9133014B2Portable liquid transloaderALUMINUM LADDER CO·Filed 2013·Granted Sep 15, 2015·20 cites·17 claims
- 1583US6502709B1Apparatus for tarping flatbed trailersALUMINUM LADDER CO·Filed 2000·Granted Jan 7, 2003·43 cites·9 claims
- 1681US6772860B1Helicopter access platformALUMINUM LADDER CO·Filed 2003·Granted Aug 10, 2004·31 cites·12 claims
- 1780US6390152B1Modular bulk material handling stationALUMINUM LADDER CO·Filed 2000·Granted May 21, 2002·32 cites·15 claims
- 1877US9046193B1Self-supporting, flexible support for flexible hose that transports product from bulk transport tankALUMINUM LADDER CO·Filed 2013·Granted Jun 2, 2015·5 cites·24 claims
- 1977US6722489B1Screw conveyor arm for dry materialALUMINUM LADDER CO·Filed 2003·Granted Apr 20, 2004·22 cites·9 claims
- 2074US6527081B1Embankment stairwayALUMINUM LADDER CO·Filed 2001·Granted Mar 4, 2003·25 cites·4 claims
- 2170US7802652B2Servicing station for tractor trailer trucksALUMINUM LADDER CO·Filed 2006·Granted Sep 28, 2010·9 cites·9 claims
- 2268US6814522B1Pivot assemblyALUMINUM LADDER CO·Filed 2003·Granted Nov 9, 2004·15 cites·6 claims
- 2367US7798344B2Tarping systemALUMINUM LADDER CO·Filed 2008·Granted Sep 21, 2010·4 cites·15 claims
- 2463US6502267B2Conveyor crossoverALUMINUM LADDER CO·Filed 2001·Granted Jan 7, 2003·13 cites·11 claims
- 2562US6085867AModular platform systemALUMINUM LADDER CO·Filed 1999·Granted Jul 11, 2000·38 cites·7 claims
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