Class 182/46 - WITH INSULATION

Subclass of Class 182 - Fire escape, ladder, or scaffold
Definition: Device with means to inhibit the transfer of wave energy,
No. of patents: 102
Last issue date: 03/04/2008

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Number	Title	Issue Date
7337584	Insulated ceiling hatch A ceiling hatch employs a frame having an upper edge and a lower edge and a passage bounded by a sidewall passing therebetween, the passage extending from the lower edge to the upper edge and having its minimum cross section at the lower edge. This frame is employed...	03/04/2008
7108101	Manhole insert for manufacture of a cast member and to provide a step insert having increased structural and holding strength Method and apparatus for forming cast members. Steps are provided in the cast member by sliding mounting flanges of hollow plastic step inserts into slots provided in the inner mold shell. The cast material is then poured into the mold. Once the cast material has se...	09/19/2006
7106205	Alarm device for use with fall protection equipment A preferred embodiment alarm device for use with fall protection equipment includes an elongating member, an alarm, an activation member, and a connecting member. The elongating member has a first end and a second end and extends in length as the first end and the s...	09/12/2006
7097241	Mechanic's seat and step stool A combination step stool and mechanic's seat in the form of a molded plastic, generally parallelepiped configuration includes a seat on one side supported on casters on the opposite side with a step stool surface adjacent the backside of the seat and spaced from a f...	08/29/2006
7083045	Multipurpose storage device The present invention is a storage device ideally suited for storing a ladder or any elongated object. The storage device of the present invention comprises an elongated storage box having a front wall, rear wall, bottom wall, top wall and a pair of side walls formi...	08/01/2006
7051837	Folding 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
7040115	Insulated container assembly having insertable cooling and heating gel packs An insulated container assembly, which has a main body portion and a lid hingedly attached to the main body portion. The main body portion has four walls and is substantially rectangular in shape. The walls of the main body portion define an area for receiving and h...	05/09/2006
7000731	Multi-material cover for a ladder rail end A cover for an end of a ladder rail includes a shell and a tread. The shell comprises at least one material, whereas the tread comprises at least one other material. The shell is sized to engage the ladder rail. The tread is engaged with the shell at least partially...	02/21/2006
6994186	Helicopter lineman's ladder A rigid, unitary ladder is provided having one end configured to be attached to a powerline support tower after the ladder is dropped by helicopter to a lineman previously offloaded onto the tower. The ladder includes a first section which extends outwardly from the...	02/07/2006
6966153	Insulating cover A thermal insulating cover is presented. The cover includes a top, a plurality of sides extending from the top and a wide base perimeter extending from the plurality of sides. The device may be formed as a unitary piece, or may be provided in two or more sections wh...	11/22/2005
6955025	Self-erecting tower and method for raising the tower A tall tower is divided into an upper section with a tower top and a lower section with a tower bottom. The sections are hinged together. The lower section is hinged to a tower base. A telescoping crane is attached to a lift point on the lower section. The crane is ...	10/18/2005
6922955	Pre-cast dock leveler pit A dock pit for a dock leveler mechanism comprises a pre-cast concrete body including integrally formed side, rear panel and front panels, all forming a continuous perimeter open therethrough to receive the load leveler mechanism. Each side panel has a top edge and t...	08/02/2005
6920722	Elongated truss boom structures for space applications An elongated truss boom structure is adapted to be flattened and coiled to a stowed configuration. The truss boom includes longerons, battens, and diagonals A fixed ladder shaped structure is formed by a plurality of fixedly coupled battens which interconnect two ad...	07/26/2005
6769514	Helicopter lineman's ladder and method for energized powerline repair A rigid, unitary ladder is provided having one end which attaches to a powerline support tower after the ladder is dropped by helicopter to a lineman previously offloaded onto the tower. The ladder includes a first section which extends outwardly from the tower and ...	08/03/2004
6675935	Helicopter lineman's ladder and method for energized powerline repair A rigid, unitary ladder is provided having one end which attaches to a powerline support tower after the ladder is dropped by helicopter to a lineman previously offloaded onto the tower. The ladder includes a first section which extends outwardly from the...	01/13/2004
6591942	Process for manufacturing a composite material ladder and ladder obtained with said process A process for manufacturing ladders comprises the following steps: arranging a plurality of rungs (2) of a material comprising a plurality of reinforcing fibers (2a) associated with a binding resin (2b) and each having at least one coupling portion (2c); ...	07/15/2003
6431316	Scaffold plank and method of making the same A scaffold plank comprising a rectangularly configured main body which defines opposed ends, and a pair of end caps secured to respective ones of the opposed ends of the main body. Both the main body and the end caps are preferably fabricated from a recyc...	08/13/2002
6405114	Aerial work platform boom having ground and platform controls linked by a controller area network An aerial work platform supported by a riser boom, a telescoping main boom, and a jib boom. Boom movement may be controlled by a platform control module or a ground control module connected to a controller by a controller area network (CAN). Movement of t...	06/11/2002
6014841	Insulated cover for attic openings A cover apparatus (10) is provided which is easily and quickly installed, is simple to use, and is cost effective for selective closing of an attic opening (14) and for providing a thermal and dust barrier. The cover apparatus (10) preferably includes str...	01/18/2000
5979603	Portable tree stand having fiber composite platform A climbing device for a tree or other vertical columnar member having a platform fashioned from fiber-reinforced composite material. The platform is a one-piece structure having a peripheral skin with bi-directionally oriented reinforcing fibers and longi...	11/09/1999
5867946	Insulating cover for attic opening An attic opening cover and a process for forming the cover are provided. The cover includes a first composite end element including a protective layer bonded to a thermally insulating layer. A second composite end element is provided including a protectiv...	02/09/1999
5628151	Multipocket means for holding insulation to prevent heat loss through an attic stairwell Openings such as those for attic staircases may be covered with a multipocket member having top, side, and end pockets in which insulation can be placed. The side pockets are of longer length than the top pocket. When the side and end pockets are pivoted ...	05/13/1997
5573081	Ladder top with bail recess A molded rectangular top component of a stepladder is disclosed which incorporates an improved method of securely supporting a bucket or paint can at the top of the ladder. A recess in a second wall of the laddertop corresponds to and accommodates the arc...	11/12/1996
5547041	Ladder A ladder of the kind which comprises two elongated and vertically extending, rigid uprights, having axially extending recesses. A rung is provided having apertures defined by sleeves having uninterrupted inner surfaces, for receiving therethrough the upri...	08/20/1996
5515942	Ladder stiles and ladders produced therefrom The invention is directed to strong, lightweight, electrically non-conducting ladder stiles and ladders formed therefrom. Each ladder stile comprises a tension and compression portion structurally interconnected by a spacing portion. The spacing portion h...	05/14/1996
5503245	Step ladder A step ladder includes legs and a ladder top connected to the ladder legs. The ladder top is molded integrally from a polymer material and has an inverted-cup shape defined by a generally rectangular central web with a periphery and peripheral flanges ext...	04/02/1996
5481833	Attic hatchway cover An attic hatchway cover wherein a tent-like structure having side walls, a front wall, and a rear wall each having a flange structure are arranged to engage and for securement to a hatchway opening framework employing mounting strips, such that fastening ...	01/09/1996
5475955	Insulating system for attic stairs and the like An insulating cover for an attic opening comprising a pair of telescoping male and female assemblies operable between a nested retracted position where they interengage and an extended position of a size to fit over the attic opening, each assembly compri...	12/19/1995
5427198	Ladder and method of construction The present invention provides an article which incorporates a jointed component, preferably a ladder, that includes a first member, a suitably aligned internal annuli, a second member, and a setting medium. The first member is formed of hollow section ch...	06/27/1995
5366051	Hollow plastic ladder The present invention pertains to a ladder. The ladder includes a first plastic side rail, at least a portion of which is hollow. The ladder also includes a second plastic side rail, at least a portion of which is hollow. The second side rail is in parall...	11/22/1994
5277272	Manhole ladder A non-metallic ladder for use in a manhole in which permanent manhole steps have been installed and spaced relation from the top of the manhole to a position above the bottom and there being a pair of spaced side members on said ladder connected transvers...	01/11/1994
5271198	Attic stair insulation dome former An insulation-dome former adapted for receiving and retaining available thermal insulation materials within, and weather strip-type gasketing on the exterior surfaces of same for the purpose of use above a folding stair-type hatch opening where a common-t...	12/21/1993
5163532	Folding ladder A folding ladder comprising multiple ladder sections pivotally joined together to permit the ladder to be articulated into and locked in a variety of configurations. Each ladder section includes a pair of side rails and a plurality of spaced rungs. The la...	11/17/1992
5156234	Ladder structure A single run or extension ladder particularly suitable for use where electrical safety is significant. Stiles 6 are each formed from a pair of elongate hollow members 5 fabricated from glass-fibre material. Rung supports 7 are formed from an aluminium ext...	10/20/1992
5143174	Dismountable ladder A dismountable ladder for use with transom, swim or dive platforms having a pair of similarly shaped vertical upper side members. The upper end of each upper side member is formed as a U-shaped hook for releasably receiving a portion of a transom, swim or...	09/01/1992
5131495	Hollow plastic ladder The present invention pertains to a plastic ladder. The plastic ladder includes a front section which has a first hollow side rail and a second hollow side rail disposed essentially in parallel with the first side rail. The first and second side rails are...	07/21/1992
5131494	Effective riser reducer step device An effective riser reducer step device is provided, which consists of a mechanism placed upon a tread of a step of a staircase for reducing the height of a riser of the step. Another mechanism is for moving the riser height reducing mechanism to the tread...	07/21/1992
5118095	Adjustable exercising step A step for performing exercises is polygonal or circular to allow approaches from any direction equally. The step has a base member and a platform member, the platform member being selectively adjustable with respect to the base. The base member has lands...	06/02/1992
5111908	Pipe step A pipe step for providing a flat supporting surface on the top side of a horizontal pipe. The step includes a pair of channel members each having arcs cut in the flange portions thereof to meet with the pipe. U-bolts are provided for clamping the channel ...	05/12/1992
5103933	One piece leg A one piece plastic leg construction. A main body having an inverted v-shaped configuration includes a pair of downwardly extending legs each having a c-shaped cross section. The legs are mutually opposed and open toward each other and include a plurality...	04/14/1992

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Class 182/46 - WITH INSULATION