Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 8157055 | Ladder caddy and stabilizer A ladder accessory or caddy that is connectible or removably mountable to the upper ends or rails of a ladder is adapted to position the ladder relative to a work structure and the ground and comprises an elongated rectangular shaped housing member and a resilient c... | 04/17/2012 |
| 8157056 | Coupler for ladder standoff arrangement A coupler for a standoff arrangement for ladders and the like. The standoff arrangement comprises a ladder attachment portion and a ladder support portion, with the attachment portion formed to be releasably securable to a ladder and the support portion extending fr... | 04/17/2012 |
| 8042651 | Ladder support device A portable leveling device capable of supporting any types of ladders, scaffolds, and other objects requiring leveled support regardless of object size when a plurality of the devices is used. The device may be deployed by one hand automatically and instantly quick ... | 10/25/2011 |
| 7950497 | Ladder stabilising device The invention relates to a device 10 for stabilising ladders 60 that bridge a floor 70 and an elevated structure, such as an elevated floor 70 in a multi-storey construction. The device 70 includes a body that is fixable to the ele... | 05/31/2011 |
| 7753170 | Ladder top for retaining a ladder against extrinsic surfaces A cover for a ladder top has a top panel, a front side extending downwardly from one side of the top panel and indentation formed therein, and a belt connected to the top panel for maintaining the front side of the top panel in juxtaposition against an extrinsic sur... | 07/13/2010 |
| 7743886 | Systems for stabilizing ladders Systems for stabilizing ladders are provided. A representative system incorporates a ladder stabilizing assembly that includes a mount, a frame and a spike. The mount is configured to attach to a ladder. The frame extends from the mount and is movable between a stow... | 06/29/2010 |
| 7445086 | Ladder lock This is a device that will provide additional security for individuals who work on extension ladders. It can be fit to any extension ladder and provide a support mechanism so that, if the ladder were ever to shift backward, it would stop the ladder from shifting, th... | 11/04/2008 |
| 7380640 | Ladder securing device A ladder securing device for securing an extension ladder to a structure. The device includes: a first U-shaped clamping member; a second U-shaped clamping member slidably coupled to the first clamping member; a first plate member fixedly coupled to the first U-shap... | 06/03/2008 |
| 7377360 | Ladder standoff device A ladder standoff device comprising in combination an elongated member, at least one standoff arm, at least one support arm, a second adjustable elongated member, at least one ladder rail brace, at least one ladder rail fastener, at least one torsion spring, and at ... | 05/27/2008 |
| 7367425 | Graduated pole strap The graduated pole strap apparatus can be wrapped around a pole, tree or the like and secured on each end to the rails of a ladder. Further, it contains markings calibrated in proportion to the length of the ladder to show whether the ladder is secured at a safe inc... | 05/06/2008 |
| 7341126 | Ladder support systems A ladder support system that may be mounted on a ladder rung or other securing structures and may further be shaped to provide lateral support to the ladder when a pole or other supporting structure is positioned on the ladder support. The ladder support may also be... | 03/11/2008 |
| 7328772 | Ladder support apparatus and methods Ladder support apparatus and methods are disclosed. In one embodiment, a method includes positioning a ladder having first and second pairs of legs in an operating position suitable for supporting a user. A ladder support assembly clampably coupled to the ladder, th... | 02/12/2008 |
| 7322442 | Ladder top walk through extensions Walk through ladder extensions are provided to attach to the upper ends of ladder side rails, and define a wide unobstructed space between them. The extensions can be gripped by a user to steady the user as the user moves onto a roof of a building against which the ... | 01/29/2008 |
| 7284947 | Braced telescoping support strut and system A telescoping support strut configured to support a conveyor assembly of a portable conveyor system includes a first strut section and a second strut section configured to telescopically receive and substantially surround beams of the first strut section. The first ... | 10/23/2007 |
| 7267199 | Padded end cap for vehicle lifting hoist arm A padded end cap made of resilient material for cushioning the end of lifting hoist arms of automotive lifts. One embodiment of this solid body cushioning apparatus (10) contains a plurality of vertical and horizontal attachment surfaces to affix the apparatu... | 09/11/2007 |
| 7267197 | Add-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 |
| 7246682 | Ladder elevator device An elevator device that is installed on one or more ladders to lift loads from the ground to a desired position on a roof. A base securing device can be added to each of the ladders to insure stability. An outrigger mounted on a user's truck can be employed to furth... | 07/24/2007 |
| 7237649 | Tree ladder A ladder for climbing trees and other vertical elements having a pair of spaced stiles, a plurality of rungs between such stiles and stand off elements on the stiles or rungs for spacing the ladder from the object to be climbed which will maintain the ladder in gene... | 07/03/2007 |
| 7232010 | Modular hunting ladder A hunting ladder for attachment to a tree or pole includes a plurality of ladder sections that can be assembled together to form a rigid structure, including side rails and rungs extending between the side rails. In an exemplary embodiment, the side rails comprise e... | 06/19/2007 |
| 7219766 | Mid-span fall protection system A mid-span fall protection system including a remotely attachable fall protection latching mechanism for attachment to an elevated horizontal strand. The fall protection latching mechanism may be used with an elongated rigid structure for extending between a support... | 05/22/2007 |
| 7216742 | Ladder stabilizers A step ladder stabilizer for mounting behind the front step portion and having two adjusting legs which adjust as a slide lock moves vertically within a slot attached to the rear of the ladder steps. When not in use, the ladder stabilizer closes flush against the ba... | 05/15/2007 |
| 7185739 | Portable tether anchor / ladder roof anchor A portable tether anchor/ladder roof anchor assembly for attaching to and securing a ladder to the roof ridge of a building and providing a tether anchor for fall protection. One embodiment consists of an assembly attached to the rungs of a ladder to allow a ladder ... | 03/06/2007 |
| 7137482 | Ladder stand-off A ladder stand-off includes an extension beam and first and second stand-off sections slidingly mounted on the extension beam, so as to provide an adjustable span. Each stand-off section includes a support beam and an arm fixedly connected to the first support beam.... | 11/21/2006 |
| 7134525 | Ladder stabilization apparatus and system A ladder stabilization apparatus and system. The apparatus includes a main clamp body, a first slotted arm having a first end and a second end, the first end being pivotally connected to the main clamp body, and a second slotted arm having a first end and a second e... | 11/14/2006 |
| 7121382 | Independently adjustable extensions leveling a ladder Independently adjustable ladder extensions for use with folding, step, or extension ladders includes at least one pair of ladder extensions with each ladder extension including an adjustable leg disposed within and encompassed by the lower end of the ladder side rai... | 10/17/2006 |
| 7108102 | Protective device for ladders A protective device releasably mounted to an upper end portion of a ladder for protecting a surface on which the ladder rests includes a flexible body formed of a fabric material and having a bag-like shape with an opening formed therein receiving the upper end of t... | 09/19/2006 |
| 7093689 | Ladder support bracket A ladder support bracket (11) receives a rung of a ladder intended to be placed against the gutter (19) of a building and thus restraining it, and hence the ladder, from sideways or downwards movement. The bracket includes a first region (12) fo... | 08/22/2006 |
| 7093690 | Ladder stabilizer The present invention provides a method and apparatus for stabilizing a ladder for minimizing accidents. For example, a main bracket may be connected to a lower arm, a foot bracket may be connected to the lower arm, an upper arm may be connected to the foot bracket ... | 08/22/2006 |
| 7086501 | Rolling ladder A ladder with a fixed axle wheel adapted to facilitate relocating the ladder. The ladder may be a step ladder or an extension ladder. The ladder includes a ladder base adapted to reside on a support surface, a ladder top opposite the ladder base, and ladder sides co... | 08/08/2006 |
| 7077239 | Expandable dual tube scaffold hatch structure The invention is a scaffold access system for use in a scaffold frame of horizontal and vertical scaffold members. The system includes double barrel scaffold horizontal member, a series of short scaffold boards, a series of long scaffold boards, a short vertical sca... | 07/18/2006 |
| 7066299 | Portable ladder suspension apparatus or a portable ladder for suspension or the combination thereof A ladder suspension bracket releasably receives and suspends a portable ladder for use, storage, and transportation if on a vehicle (FIG. 1, FIG. 7) comprising of a receiving bracket (FIG. 4, or FIG. 8) and a lower distance maintenance br... | 06/27/2006 |
| 7063187 | Ladder 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 |
| 7059448 | Ladder 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 |
| 7044270 | Posting ladder A hook attachment for a ladder is provided and includes a pair of curved members, each of the curved members being formed in a tapered shape having a base portion of a first cross-sectional area and a tip portion of a second cross-sectional area smaller than the fir... | 05/16/2006 |
| 7036631 | Wheel attachment for ladder A wheeled dolly or support for a ladder is made in two pieces, including a base plate that permanently affixes to an outside surface of a rail of a ladder, and a frame that is removably mounted on the base plate. The frame carries wheels that will support the ladder... | 05/02/2006 |
| 7028809 | Roof gripper A bracing device capable of clamping to a rung ladder is disclosed. The bracing device holds the rung ladder in position when hooked over the peak of a pitched roof. At the forward end of the clamping device are wheels which allow the user to wheel the ladder up the... | 04/18/2006 |
| 7028808 | Device and method for assisting in the movement of a ladder A device and method for improving the mobility of a ladder. The device includes slide pads that attach to the bottom ends of a ladder's rails. In this manner, the slide pads are interposed between the bottom of the ladder rails and the ground when the ladder is erec... | 04/18/2006 |
| 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 |
| 6997283 | Ladder 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 |
| 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 |
