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Class Information
Number: 182/141
Name: Fire escape, ladder, or scaffold > Platform with elevating or lowering means
Description: Device including means for elevating or lowering a platform.










Sub-classes under this class:

Class Number Class Name Patents
182/148 Operating means on platform 101
182/142 Suspended 222
182/149 Trestle-type support, beam-elevating 4


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8695249 External elevator/advertising board system for buildings Apr. 15, 2014
8684138 Hunting stand assembly Apr. 1, 2014
8651237 Worker support cage for front end loader bucket Feb. 18, 2014
8636111 Suspension platform system Jan. 28, 2014
8636112 Safety lockout system Jan. 28, 2014
8584801 Self-climbing hoist, deck and scaffold platform system Nov. 19, 2013
8585324 Maintenance platform for off-shore construction Nov. 19, 2013
8556003 Split sub-basement drill rig Oct. 15, 2013
8550211 Aerial work assembly using composite materials Oct. 8, 2013
8550212 Aerial work assembly using composite materials Oct. 8, 2013
8544604 Elevating platform assembly Oct. 1, 2013
8534420 Apparatus and method for safely lowering user from structure Sep. 17, 2013
8534422 Portable modular lift system Sep. 17, 2013
8505688 Mast lift and mast lift system Aug. 13, 2013
8499896 System for limiting horizontal movements in a lift Aug. 6, 2013
8490749 Device for enabling access to a structure above ground level Jul. 23, 2013
8479884 Automatic locking device for track mounted gangway Jul. 9, 2013
8459412 Portable scaffold system Jun. 11, 2013
8418810 Collapsible man-lift for use in wind turbine towers Apr. 16, 2013
8402850 Load displacement apparatus Mar. 26, 2013
8403109 Tracking gate for extended gangway Mar. 26, 2013
8360203 Work platform for an overhead crane Jan. 29, 2013
8316994 Battery powered vertical lift assembly Nov. 27, 2012
8302735 Self-erecting suspension platform system Nov. 6, 2012
8297405 Adjustable work platform for pipe and casing stabbing operations Oct. 30, 2012
8292031 Platform lift apparatus for attic storage space Oct. 23, 2012
8292032 Platform lift Oct. 23, 2012
8276713 Method of building liquid tank using movable scaffolding Oct. 2, 2012
8261879 Liquid tank building system using movable scaffolding Sep. 11, 2012
8251177 Collapsible access tower Aug. 28, 2012
8235178 Elevator with frictional drive Aug. 7, 2012
8181921 Platform telescoping mechanism May. 22, 2012
8167089 Liftable scaffold May. 1, 2012
8162159 Modular garage storage Apr. 24, 2012
8122998 Device for transporting and erecting a hunting ladder stand Feb. 28, 2012
8079444 Transportable, self-erecting, battery powered, vertical lift assembly Dec. 20, 2011
8011473 Motorized stepladder Sep. 6, 2011
7942244 Lifting assembly May. 17, 2011
7909139 Powered lift platform Mar. 22, 2011
7896133 Self-elevating platform scaffolding Mar. 1, 2011
7857097 Scaffolding apparatus and method Dec. 28, 2010
7740106 Mobile mount for attachment of a fall arrest system Jun. 22, 2010
7726447 Inspection scaffold of large component for boiler and building method thereof Jun. 1, 2010
7661372 Mason's adjustable chimney-platform arrangement Feb. 16, 2010
7607513 Telescoping lifting hand truck with a folding platform Oct. 27, 2009
7416055 Platform lift apparatus for attic storage space Aug. 26, 2008
7281736 Pothole protection mechanism Oct. 16, 2007
7234565 Convertible lift assembly Jun. 26, 2007
7228939 Platform lift Jun. 12, 2007
7228669 Suspended table assembly Jun. 12, 2007

1 2 3 4 5 6










 
 
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