Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 8181936 | Universal jack stand A jack stand for a vehicle includes a plurality of walls joined together to form a body, the body being hollow. A base is formed by lower edges of the walls and a top surface joins top edges of the walls. One of the walls includes a wall opening and the top includes... | 05/22/2012 |
| 8118279 | Illuminative jack An illuminative jack is provided, having a plurality of lights recessed within a top plate to provide illumination directed to a lifting location. The jack includes transparent material positioned disposed below the contact surface of the top plate and disposed abov... | 02/21/2012 |
| 8083210 | Mechanism for positioning the handle of a power unit and floor jack A hydraulic floor jack has a tubular handle with a yoke at the distal end thereof with lateral axels pivotally attached to a pair of vertical side brackets. One side brackets has a series of arcuate upper surfaces concentric with the lateral axel of the yoke, includ... | 12/27/2011 |
| 8070133 | Flywheel and clutch lift A mechanical lift for raising, lowering, and positioning a flywheel or a clutch assembly, the mechanical lift incorporating a base, the base being configured as a mechanic's floor creeper; a boom arm mounted upon the base for motion between first and second position... | 12/06/2011 |
| 8066259 | Hydraulic jack with lowering control means A hydraulic jack comprising a hydraulically actuated saddle movable from a first lowered position to a second raised position, the jack having a handle which, when pumped up and down, hydraulically raises the saddle, lowering control means associated with the jack f... | 11/29/2011 |
| 7703747 | Lifting device with securely fastened lift bridge A two-position lift bridge is used with a jack-stand power unit including a forward end, a rearward end, a pair of upward side flanges, with the rearward end having a hydraulic cylinder. A rear cover plate extends horizontally from the side flanges and over the cyli... | 04/27/2010 |
| 7648121 | Commercial lifting device-two-position lift bridge A two part jack system includes a power unit having a generally rectangular frame with a forward end, a rearward end, a pair of longitudinal side flanges that extend upward therefrom, and a rear cover that extends from the side flanges at the rearward end of the fra... | 01/19/2010 |
| 7637479 | Hydraulic pumping cylinder and method of pumping hydraulic fluid A hydraulic jack including a frame and a pump connected to the frame. The pump includes a rod, a housing, a piston and a plurality of valves. The rod has a cross-sectional area. The housing has an end through which the rod slides. The piston is associated with said ... | 12/29/2009 |
| 7464914 | Robust consumer lifting device-power unit A power unit includes a rectangular frame base having a left shoe and a right shoe having a longitudinal track on their inner sides, a forward end having a support plate for receiving a jack stand, and a rearward end having a rear plate with an aperture for receivin... | 12/16/2008 |
| 7434782 | Commercial lifting device-controls for power unit A handle and control mechanism on a mobile power unit for positioning extending, retracting and extracting a jack stand. The jack stand includes an alignment hole and a pair of ratchet release arms at the lower sides. The power unit includes a frame having a forward... | 10/14/2008 |
| 7434783 | Commercial lifting device—self aligning jack stand A jack stand is for use with a power unit. The power unit includes a rectangular frame and a pair of parallel lift arms having forward ends extendable vertically over the frame. The forward ends of each lift arm have a frusta-conical disc pivotally attached to the i... | 10/14/2008 |
| 7431265 | Swiveling handle mounting mechanism of a hydraulic garage jack A swiveling handle mounting mechanism mounted on the pump of the hydraulic unit of a hydraulic garage jack is disclosed to include a seat affixed with a pressure plate to the pump beyond the oil return valve of the hydraulic unit, a swiveling holder horizontally rot... | 10/07/2008 |
| 7421841 | Three-shift lifting mechanism for jack or the like The load dependent, variable displacement, at least three-shift hydraulic mechanism includes a hydraulic device disposed at the front side of a valve block and adapted to move a ram piston oriented such as to raise weight, the hydraulic device defining an oil accumu... | 09/09/2008 |
| 7413167 | Robust consumer lifting device-trunk jack A trunk jack includes a rectangular frame base having a left shoe and a right shoe having a longitudinal track on their inner sides, a forward end has a support plate, and a rearward end has a rear plate with an aperture for receiving an actuator shaft. A screw-thre... | 08/19/2008 |
| 7413169 | Commercial lifting device-safety mechanism A hydraulic floor jack includes a rectangular frame with side flanges and having an extended control handle with a control lever. A pivotal lifting mechanism is mounted on the frame including a pair of parallel lift arms having rearward ends interconnected by a late... | 08/19/2008 |
| 7413166 | Commercial lifting device-jack stand frame locking mechanism An extendible jack stand comprises first, second, and third vertical frames arranged in telescoping relationship. A locking mechanism includes an upwardly extending finger fixedly secured to an outer surface of the upper end of the first frame. A guide member is sec... | 08/19/2008 |
| 7413165 | Robust consumer lifting device-slide forward bridge An automatic-slide-forward-lift bridge for use with a jack stand power unit. The power unit has a rectangular frame base and a pair of parallel lift arms with forward ends for raising and lowering the jack stand. The lift arms have leveling pads attached to the forw... | 08/19/2008 |
| 7413168 | Commercial lifting device—automatic-slide-forward-bridge The power unit includes a generally rectangular frame having a pair of parallel lift arms with forward ends extendable upward therefrom. The lift arms have leveling pads pivotally attached to the outer sides thereof, wherein each leveling pad includes a generally re... | 08/19/2008 |
| 7410149 | Robust consumer lifting device- three stage jack stand A three stage jack stand has a base plate, and includes a first stage tubular rectangular housing. A second stage “U” shaped ratchet shaft has ratchet teeth on the forward edges, and is telescopically positioned in the housing. An upper base is attached to the r... | 08/12/2008 |
| 7410148 | Commercial lifting device-power unit A power unit for use with a jack stand and a lift bridge has a rectangular frame with a forward end having a pair of separated elongated extensions for supporting the jack stand. The extensions extend about 1.50 inches beyond the latch finger of a positioned jack st... | 08/12/2008 |
| 7367546 | Tire jack A tire jack for lifting a spare tire onto a vehicle wheel includes a base component with a lifting pan superimposed thereon. A rotatable drive shaft raises and lowers a lifting arm, which in turn raises and lowers the lifting pan relative to the base component. On a... | 05/06/2008 |
| 7360262 | Lifting and transfer apparatus A portable lifting apparatus for lifting and transferring of heavy objects. The lifting apparatus having a load-supporting platform which can be moved both vertically and rotated about the vertical axis of an upwardly extending lifting column. The lifting apparatus ... | 04/22/2008 |
| 7346941 | Bariatric patient lift apparatus As the obesity rate climbs nationwide, obese and morbidly obese patients will continue to pose special lifting challenges to the healthcare industry. Obesity among American adults has nearly doubled during the past two decades. One in 80 men weights >300 pounds and ... | 03/25/2008 |
| 7347409 | Engine block lift An engine block lift for raising, lowering and supporting an engine block includes a movable frame that has ground-engaging wheels and an elongate base that extends laterally. A support shelf is provided for supporting an engine block and includes a non-marring surf... | 03/25/2008 |
| 7347410 | Lifting apparatus A device for lifting an item such as an article of furniture to gain access underneath for performing a variety of tasks. The device comprises a horizontal actuating beam attached via a hinge member to one or more horizontal support beams that are affixed to the obj... | 03/25/2008 |
| 7334774 | Extensible and turnover handle structure for a jack An extensible and turnover handle structure for a jack comprises a pivot ear formed at the front end of a base. The pivot ear is provided for a pivot connection with the handle. Moreover, the handle includes an inner pipe inserted in an outer pipe and serves to draw... | 02/26/2008 |
| 7328467 | Patient lift and transfer device and method In a lift and transfer device and method, a patient support assembly supported on a lift on a wheeled platform includes a main support arm pivoted to the lift. First and second transversely extending support arms respectively carrying a back support section and a le... | 02/12/2008 |
| 7320460 | Rear-end stand This is stand that holds the rear end to an automobile. This stand allows you to turn the rear axle in any angle and hold that position to freely work on it. You can set up gears, clean the rear axle, weld it, drain oil from it, etc. This stand prevents you from hav... | 01/22/2008 |
| 7303181 | Jack for heavy objects A transmission Jack and apparatus that can raise and lower heavy objects between a floor surface and a higher elevation is disclosed. The transmission jack and apparatus includes a bottom frame mounted on a plurality of wheels. Pivotally attached to the bottom frame... | 12/04/2007 |
| 7287309 | Heavy duty clutch installation and removal tool A tool is provided for the safe, efficient installation and removal of clutch assemblies and other engine components on heavy trucks or other machines. A mounting bracket is bolted to the flywheel housing to hold the tool in place and provide support for lifting. Mo... | 10/30/2007 |
| 7275713 | Jack apparatus A jack apparatus for lifting an aircraft having landing gear including snow skis comprising a generally rectangular base having a first end, a second end opposite the first end, and at least two lateral members extending between the ends. The base is sized and shape... | 10/02/2007 |
| 7258242 | Mobile crane boom having an autarchic hydraulic power unit mounted thereon The present invention relates to a mobile crane boom having a self-sufficient energy supply arranged on it for supplying hydraulic energy to at least one hydraulic load arranged on the mobile crane boom. The supply of the hydraulic load arranged on the mobile crane ... | 08/21/2007 |
| 7243474 | Methods and apparatus for forming and placing generally horizontal structures One embodiment of the present invention provides for a method of placing a concrete structure in a generally horizontal position. The method includes building the concrete structure in an essentially vertical position, the concrete structure being defined by a first... | 07/17/2007 |
| 7243906 | Wheeled jack A wheeled jack, comprising a chassis shaped like an articulated parallelogram in which a lower horizontal side is provided, at its two front sides, with respective pairs of tilting wheels and the front end of the upper horizontal side is provided with an articulatio... | 07/17/2007 |
| 7225900 | Motorcycle lift A lift for lifting motorcycles, ATV's, or any similar vehicle. The lift includes a base, an upright extending from the base, a four-bar load-transferring lifting mechanism, a lifting frame adapted to engage the vehicle, and an operator for lifting and lowering the l... | 06/05/2007 |
| 7225482 | Hoist A hoist pivotally connecting mast 1 to lifting arm 2, by a mechanism comprising a link 5 pivoting about a fixed pivot 8 on the mast 1 and a moving pivot 6 on the lifting arm 2. A restraining link 9 between a pi... | 06/05/2007 |
| 7207548 | Automobile jack stand with lights An automobile jack stand having four sides that substantially form a pyramid. Extending from the pyramid is a telecopying support. The telescoping support is attached to a curved horizontal support arm which is the primary point for support. Extending outward from t... | 04/24/2007 |
| 7188843 | Multiuse lifting and rolling platform A combination lift table, platform, tilt back hand truck, scaffold, work bucket, floor jack and mechanic' creeper. The combination is a portable and foldable unit that converts into a tilt back hand truck having two wheels or six wheels that have a lift table with e... | 03/13/2007 |
| 7175159 | Hydraulic floor jack release and method of use An automobile jack that comprises a hydraulic system. The jack includes a lockout button and a release mechanism comprised of a variable rate, spring-loaded trigger release mechanism which is located on the grip handle. Moving the jack handle upward and downward cau... | 02/13/2007 |
| 7172083 | Mobile hydraulic hoist A mobile hydraulic hoist unit which is readily maneuverable to a position straddling a load and then conveniently operated to lift and securely transport such load over a variety of terrains and surfaces and to safely and accurately deposit that load at a specific l... | 02/06/2007 |
