135025 ⎘
Ladders in general with rigid longitudinal member or members; Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders Foldable ladders in which the longitudinal members are brought together on folding
Sub-classes:NON-SELF-SUPPORTING HINGED LADDER
#2ANIMAL LADDERS AND METHODS OF USING THE SAME
#3Multi-Position Ladder and Portions Thereof
#4COMBINATION LADDERS, LADDER COMPONENTS AND RELATED METHODS
#5LADDER, OVERMOLDED FOOT AND METHOD
#6CEILING LADDER, DEEP STEP AND METHOD
#7COMBINATION LADDERS, LADDER COMPONENTS AND RELATED METHODS
#8SWITCHABLE LOCKING DEVICE
#9LADDER HINGE AND LADDERS INCORPORATING SAME
#10Pet ladder that adjust the angle of the ramp
#11DEMOLITION GUARD
#12APPARATUS AND KIT FOR MOBILE LADDER CONVERSION
#13Ceiling ladder, deep step and method
#14APPARATUS, METHODS, AND SYSTEM FOR SAFEKEEPING BUILDING PERMITS AND OTHER DOCUMENTS FOR REMOVABLY ATTACHING TO A LADDER
#15ROTATION CONTROL MECHANISM FOR FOLDING LADDER, AND FOLDING LADDER
#16Safety Ladder Device
#17STEP LADDER PIVOT AND LOCK MECHANISM
#18Combination ladders, ladder components and related methods
#19Step Ladder with Hinged Rungs Operable to Collapse on Multiple Axes
#20Ceiling Ladder, Deep Step and Method
#21Folding ladder
#22Multi-Position Ladder, Method of Using and Method of Making a Multi-Position Ladder
#23LADDER
#24Ladder, Overmolded Foot and Method
#25Foldable and angularly adjustable ladder
#26Method for erecting a tower, tower segment, supply structure, and tower
#27Ladder hinge and ladders incorporating same
#28Step ladder with adjustable tray
#29LOCKING SYSTEM FOR FOLDABLE LADDER
#30Lateral folding step unit
#31Switchable locking device
#32Closure cover and extension ladder
#33Ceiling ladder, deep step and method
#34FOOT-ASSISTED MOVABLE ENGINEERING LADDER
#35Modular staircase
#36Apparatus with platform and latch
#37HORIZONTALLY EXTENDABLE LADDER
#38Ladders, top cap for ladders and trays for ladders
#39LADDERS, FEET FOR LADDERS AND HINGES FOR LADDERS
#40Combination ladders, ladder components and related methods
#41Telescopic ladder assembly
#42Foldable stepladder
#43PORTABLE LADDER AND ROLLING SHAFT
#44FIXED SERVICE LADDER
#45Methods and devices for electrostatic discharge of a workpiece
#46Foldable step
#47Ladder hinge and ladders incorporating same
#48Modular staircase
#49PORTABLE LADDER AND ROLLING SHAFT
#50Ladder, overmolded foot and method
#51Ladder with pinch flex latch, and method
#52Folding ladder with armrest
#53Foldable cable tray
#54COMBINATION HANDLE AND LOCK FOR A STEP LADDER
#55Stepladder with latch stud and method
#56Locking Climbing Stick or Climbing Pole
#57Stepladder Having Tipping Prevention Function
#58Foldable ladder
#59Locking joint for collapsible ladders and other structures
#60SAFETY LADDER AND WORK PLATFORM FOR HELICOPTER AND AIRCRAFT MAINTENENCE
#61Step Stool and Method
#62RELEASABLE COUPLING FOR LADDER SECTION AND THE LIKE
#63Stepladder with latch stud and method
#64Folding ladder having connecting hinge
#65Folding and self-erecting ladder
#66COLLAPSIBLE ESCAPE LADDER WITH GUARDS
#67Portal ladder
#68Self Leveling Step Ladder with a Universal Hinge Joint
#69Step Ladder
#70Step stool and method
#71Stepladder with latch stud and method
#72Stepladders and related methods
#73Step stool and method
#74Ladder
#75Self-locking bi-foldable load bearing segment
#76Locking joint for collapsible ladders and other structures
#77LIGHTWEIGHT LADDER
#78Apparatus and method for boarding animals onto a boat
#79Remote controlled overhead ladder system
#80Collapsible ladder and method
#81Emergency escape ladder
#82Step stool and method
#83Ladder
#84Folding step ladder
#85Boat trailer mounted bow entry ladder
#86Stepladders and related methods
#87Folding pet staircase
#88Ladder
#89Step stool and method
#90Collapsible ladder
#91Collapsible ladder
#92Boarding ladder mounting apparatus
#93Ladder/dolly/cart system
#94Space saving ladder
#95Ladder and related methods