U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 248/238 - Shelf or scaffold type


Subclass of Class 248 - Supports
Definition: Devices wherein the bracket is of the shelf or scaffold
No. of patents: 148
Last issue date: 02/15/2011


1        
NumberTitleIssue Date
7887016All terrain material and tool tray
A reinforced all terrain material and tool tray, having an articulating shelf assembly mounted on an articulating base assembly in order to improve access to construction material such as paint or tools, can be used on a roof, the ground, or on ladder, with or witho...
02/15/2011
7374018Adjustable tool tray for ladders and the like
A storage unit includes a tray including a bottom surface and sidewalls connected to an outer perimeter of the bottom surface. The tray has an open top surface in fluid communication with the ambient surroundings. The sidewalls extend upward from the bottom surface ...
05/20/2008
7370726Ladder and container combination apparatus
A ladder and container combination apparatus includes a ladder with a first pair of legs and a second pair of legs hingedly coupled together. A plurality of steps is attached to and extends between the legs of the first pair of legs. A collapsible housing includes a...
05/13/2008
7353911Scaffold shelf
A removable shelf for attachment to a scaffold including a generally L-shaped frame releasably connectable around one of the vertically spaced horizontal crossbars of the scaffold. An object support panel is connected to one or both of the legs to support objects th...
04/08/2008
7270307Ladder accessory assembly
A ladder accessory assembly that can be attached to a ladder. The assembly includes a platform that can be attached to the ladder by a fastener assembly. The platform is of a size that can create or extend the effective shelf space of the ladder. The platform may ha...
09/18/2007
7267197Add-on extension ladder
An add-on extension ladder is removably mountable to a portion of a conventional ladder to extend the reach of the conventional ladder without any structural modification to the conventional ladder. The add-on extension has integral elements for engaging rungs on th...
09/11/2007
7264084Tray attachment for a ladder
A tool tray support adapted for placement on the top step of a ladder, the support comprising a receptacle for storing construction material and at least one opening formed in the receptacle for supporting a hand tool. The receptacle includes a plurality of cells, t...
09/04/2007
7204345Scaffolding bracket
A bracket for attachment to an upright scaffolding member has a rigid body with a front hook and rear hook thereon for engaging opposing front and rear faces of the upright scaffolding member. A support arm projects horizontally forward from the rigid body beyond th...
04/17/2007
7159694Step stool tray
A step stool includes a frame and a tray coupled to the frame. The tray includes a pair of container receivers. Each container receiver is adapted to receive a container on the container receiver. ...
01/09/2007
7124992Tool support unit
A tool support unit includes a first portion that is attached to a tool, such as a power saw or the like, and a second portion that is attached to a support, such as a table or the like. A telescoping connection between the two portions of tool support unit permits ...
10/24/2006
7114592Ladder with magnetic tool holder plate
A magnetic tool holder for a ladder 14 providing means for holding the selective positioning of tools to the top step 24 of a ladder. The tool holder is comprised of a planar magnetic material 12 being substantially rectangular fixedly attached ...
10/03/2006
7104361Ladder
A platform ladder comprising two elongate ladder sections having feet at one end and an upper end, the upper end of each section being hinged to an upper rail, a platform pivotally secured to one ladder section below the upper end and adapted to interconnect with th...
09/12/2006
7094050Burner
A burner capable of reducing manufacturing costs by attaching upper and lower flow regulating plates to a metal plate rationally from the viewpoint of costs is provided. A burner 100 comprises a metal plate, having formed thereto a plurality of flame ports
08/22/2006
7077238Ladder caddy
A ladder caddy for holding tools, small parts, and the like for a workman on a ladder includes four curved cradles for holding the caddy to the ladder, two of the cradles holding consecutive and respective rungs of the ladder when the caddy is mounted in a first pos...
07/18/2006
7069704Roofing rail transportation system
A rail transportation system particularly suited for transporting roofing materials upon an uncompleted roof. Sections of tubes form rails, allowing several rail cars carrying various roofing materials to transport those roofing materials from the edge of the roof t...
07/04/2006
7063187Ladder attachment system
A ladder attachment system for supporting a plurality of items in an easy to access location. The ladder attachment system includes a tray positionable upon an upper platform of a ladder, and a pair of extended legs extending from the tray for engaging the support l...
06/20/2006
7059448Ladder accessory for holding paper and tape
An accessory includes a handle-operated clamp and is mounted on a rail of a ladder, such as an extension ladder, to hold paper and tape in position to be easily accessed by a worker balancing on the ladder. ...
06/13/2006
7055454Vehicle expansion retainer
In some embodiments, an accessory retainer apparatus for a vehicle may include one or more of the following features: (a) a handle member, (b) a shaft pivotally coupled to the handle member at the proximal end, the handle member pivotally rotatable between an open a...
06/06/2006
7051837Folding workbench and dolly combination
A folding workbench comprises a support frame, a pair of equipment support members, a work platform, a vise, a storage drawer, a light source, at least one electrical outlet, an electrical cord in a storage reel, a plurality of wheels, and at least one handle. ...
05/30/2006
7036629Standing seam roof bracket
A roof attachment apparatus for being mounted on a roof having at least one standing seam. The apparatus comprises a plurality of base plates for being disposed on opposite sides of the standing seam on a surface of the roof, a platform support member for supporting...
05/02/2006
7032711Accessory tray for stepladders
A tool and hardware accessory having base securable to the top cap of a ladder at clamps which are designed to provide universal mounting to most ladder caps. A tray is pivotally mounted to the accessory base at hinge sections and when deployed extends forwardly and...
04/25/2006
7000732Magnetic top for ladders and method of construction thereof
A ladder that has a top portion that has numerous magnets attached or embedded into it. The magnets surround the sides of the ladder top as well as attached to the underside of the top plate. In this way, tools, fasteners, paint cans, or any other metal items can be...
02/21/2006
7000876Tray for ladder bracket
A tray for use in conjunction with a ladder bracket includes a plurality of upwardly opening compartments that may be used to hold paint, tools, or other painting supplies or implements. The bottom of the painter's tray is provided with structural features to engage...
02/21/2006
6997283Ladder stabilizer attachment apparatus and methods
Ladder attachment apparatus and methods are disclosed. In one embodiment, an attachment apparatus for a ladder includes a main support adapted to be coupled to the ladder approximately parallel to the rungs. The main support includes a first coupling member proximat...
02/14/2006
6997282Adjustable ladder
A ladder is adjustable in a plurality of planes so a wide variety of sloped surfaces can be accommodated. The ladder includes non-slip surfaces on the steps and a paint can holder that can accommodate a one gallon paint can. ...
02/14/2006
6966406Step platform attachable to a ladder
A ladder step platform can be mounted on any ladder having hollow rungs extending between ladder rails. This ladder step platform is especially intended for use with conventional extension ladders. The ladder step platform includes a tread or step plate extending be...
11/22/2005
6962237Ladder stand-off
A ladder stand-off includes a beam and two arms fixedly connected to the beam at two spaced apart points between the two ends of the beam. The two arms extend outward from the beam so as to be angularly divergent with respect to each other. A contact element is pivo...
11/08/2005
6824115Paint tray holder
A tray holding device for mounting to a D-rung ladder is disclosed. The mounting shaft inserts into an outwardly facing D-shaped aperture of the ladder and slidably engages the inner wall of the rung. In one embodiment, the shaft is D-shaped and fits telescopically ...
11/30/2004
6729439Tool support attachment for a ladder
A tool support attachment for a ladder for supporting carpentry and building tools upon a ladder. The tool support attachment for a ladder includes two panels having first and second side edges and also having a plurality of elongate tool-mounting slots being dispos...
05/04/2004
6698548Ladder platform
A platform that attaches to a step on a ladder and has a tray that holds tools, work pieces or other articles. The tray attaches to the step using a support member and a latch, such as a spring-loaded latch. The platform can be removed from the step by mo...
03/02/2004
6698699Working material retaining accessory
Working material containers such as paint cans may be effectively stabilized from accidental dislodgment from a ladder shelf, such as a step ladder shelf, through the use of a working material container accessory. The accessory includes a flat upper suppo...
03/02/2004
6691825Adjustable ladder stabilizer and tool holder
An attachment for a straight ladder that can stabilize the ladder when placed against vertical surfaces that include a flat wall, an inside corner and an outside corner. Adjustments permit use around a window or other such structure within the wall. A tub...
02/17/2004
6688570Extension ladder utility/tool tray
The invention is a portable, lightweight, utility/tool tray designed to safely and reliably hold tools and supplies on a general use extension ladder. The utility/tool tray is a sturdy, self contained device whose base area will have an area for tool stor...
02/10/2004
6688426Wheel extension and lift device for ladders
A device for allowing a user to selectively extend and retract wheels at the feet of an A-frame stepladder thereby enabling the user to move the ladder from point "A" to point "B" without physically moving, lifting or dragging the ladder. The apparatus in...
02/10/2004
6637548Personal stand and method of using a personal stand
A personal stand incorporating a ladder, a user supporting platform and a load sensitive pliant suspender that is easily adapted for use with an extension ladder. The personal stand improves the user's footing as well as the user's comfort. Pliancy of the...
10/28/2003
6601674Device for storage of a tool
A device for securing a tool to a scaffold wherein the device comprises a base having a front side and a back side; an attachment apparatus affixed to the back side for attaching the base to a scaffold; and a holding device connected to the front side and...
08/05/2003
6565051Paint can holder
A container holding apparatus that is removably attachable to the end of a ladder is provided. In the preferred embodiment, the apparatus includes a base structure separating two rail caps. The rail caps have a vertical front surface and an inclined rear ...
05/20/2003
6502664Accessorized stepladder
An accessorized stepladder for providing increased functionality to a user. The accessorized stepladder includes a standard stepladder having a an upper platform for holding a plurality of tools and accessories, side storage members for holding fluorescen...
01/07/2003
6467577Ladder mate
An open tool box with a cover positionable over a portion of the box. The cover is adapted to hook onto the top of a step ladder....
10/22/2002
6467744Parts and power tool holder for lift arm
A parts and power tool holder is provided for mounting to an automotive lift wherein the automotive lift may be raised and completely lowered without having to remove the parts and tool holder from the lift. It is comprised of a tray having a bottom surfa...
10/22/2002
1        
 
Sign InRegister
Username  
Password   
forgot password?