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Attorney: Jackson Walker L.L.P.


Number of patents: 489
Last date: May 15, 2012

                  12    
NumberTitleIssue Date
6223157Method for direct recognition of encoded speech data
Digital Cellular telephony requires voice compression designed to minimize the bandwidth required for the digital cellular channel. The features used in speech recognition have similar components to those used in the vocoding process. The present inventio...
04/24/2001
6215293Portable stud detector for detecting wood, metal, and live wires
A portable device for selectively locating a wooden object, a metal object or a live AC wire positioned behind a wall surface covering when the device is moved along a wall surface is disclosed. Wood is detected by changes in effective dielectric constant...
04/10/2001
6209271Safety screen with a guard assembly having three flanged mounting members
A guard assembly for a framed opening in a structure includes mounting brackets attached to the framed opening. Each bracket has three angled flanges forming an intersection channel for retaining a grid work member extending between the mounting brackets....
04/03/2001
6205893Screwdriver pen
A screwdriver pen has a forward elongate housing containing four side-by-side screwdriver heads that can slide partially out of the housing selectively for use. A separately formed rear housing slidingly supports four respective manually operable actuator...
03/27/2001
6202662Ventilated umbrella
A ventilated umbrella includes a support frame forming a tetragonal surface, a first canopy secured on the tetragonal surface of the support frame and having an outer edge, a loop-shaped second canopy secured on the tetragonal surface of the support frame...
03/20/2001
6200205Lapping tool
A lapping tool has an elongate shank mechanically coupled to a platform, having a generally planar working surface, by a universal joint comprising a ball and socket. A cavity is provided for entrapping grinding paste. Normally, the parts are made of elec...
03/13/2001
6202041Electrical power network modelling method
A versatile modelling for any standard power system component is disclosed, by which the component modules can be easily plugged into the network module to form a small perturbation state space model of the entire system irrespective of the complexity of ...
03/13/2001
6193168Sprinkler device
A kit for fitting to a sprinkler head that includes a fixed distance spacer. The spacer is designed to fit into the top of the head of an underground water sprinkler system. The second end of the spacer will threadably engage the stem. The spacer will rai...
02/27/2001
6182321Toothbrush
A toothbrush has a handle provided with a rigid curve wire axle at one end. A hollow shank and toothbrush head rotatable and snugly fit to the axle. In the configuration shown bristles on the head are concave. The bristle formation can be made convex by r...
02/06/2001
6176026Steam iron with power and water supplying stand
A cordless steam iron is provided with an external reservoir assembly for automatically re-filling an internal reservoir when the iron rests on an iron stand. The reservoir assembly includes a removable bottle that can be readily filled with water and the...
01/23/2001
6167683Packaging device
A packaging device for continuously forming and filling a package having a plurality of separate sealed cavities comprises a plastic film winding barrel, a vacuum cavity forming device, a filling means, an aluminum foil winding barrel, a pressing sealing ...
01/02/2001
6166519Camera battery adapter system
A camera battery adapter system having a battery clip attachable to a standard 9 volt battery. The clip provides a conductive path to the bottom side of the battery from one of the battery terminals on the top side of the battery. A bottom holder cap rece...
12/26/2000
6155278Ventilated umbrella
A ventilated umbrella includes a support frame forming a fully expand surface when it is fully expanded, a first canopy secured on the inner area of the fully expanded surface of the support frame and having an outer edge, and a band-shaped second canopy ...
12/05/2000
6155161Food processing apparatus
A soya milk processing apparatus includes a container and a grinding element that fits to a top of the container. An electric motor 18 having a drive coupling is supported above the grinding element so that the drive coupling of the grinding element can b...
12/05/2000
6152429Fence system for simultaneously tensioning a multiplicity of fence strands
A fence line layout including a first and second termination post, and optional intermediate fence posts. Each termination post is braced to provide tension on fencing material which is attached between them. The fencing material is attached to the first ...
11/28/2000
6148664Method and apparatus for shutting in a well while leaving drill stem in the borehole
A drill stem has a testing tool and a drill bit. To drill, the drill stem is rotated and weight is applied to the bit from the surface. To test a formation, the drill stem is left in the borehole. Compressed gas purges mud from the drill stem. The testing...
11/21/2000
6149685Human eye prosthesis
A prosthesis for an eye of a wearer formed from a thin film sheet sufficient to cover a portion of the sclera of the eye. The sheet has a number of sections which create the impression that the eye is generally centered within the eye socket. Various embo...
11/21/2000
6142859Polishing apparatus
A bristle carrier for leaning a polishing apparatus comprises a number of radial slots into which sub-frames carrying bristles can be releasably mounted. The bristle carrier is used in place of a component carrier used during normal polishing, and is driv...
11/07/2000
6126292Rice flail assembly
A rice flail assembly includes a pair of transparent rods each having one end portion having an end face, a pair of sleeves each mounted on one of the corresponding rods, a pair of connecting posts each received in one of the corresponding sleeves and con...
10/03/2000
6126000Garment presentation pack
A garment pack that folds to show a garment inside having a chest heart pattern and in which a sleeve logo is visible through a window in one section from inside the pack that opens like a card....
10/03/2000
6120165Outdoor solar lamp
An outdoor solar lamp has a stand (10), with a foot (11), that supports a solar cell panel (12) in a housing (13). A passive infrared motion detector (14) is mounted in a peripheral surface of the housing (13). Incandescent lamps and a halogen lamp (not s...
09/19/2000
6119804Horizontally polarized shear-wave vibrator seismic source
A dynamic force transducer for generating horizontally oriented shear forces and motion at a surface of a solid medium. A rigid frame is placed in direct contact with the surface of the solid medium. At least one pair of identical dynamic-force driver uni...
09/19/2000
6116631Shock absorbing trailer hitch assembly
A trailer hitch assembly for attachment to a vehicle and trailer is provided with a fixed support member attached to the vehicle. A floating hitch member is attached to the trailer. Variable pressure shock absorbers interconnect the hitch and support. Rol...
09/12/2000
6109597Anchor cable release mechanism for a guardrail system
A highway guardrail terminal system having horizontally extending guardrail elements mounted on a plurality of posts. An anchor cable release bracket attached to a rail element by sleeved mounting bolts has an arrangement of slots and openings to quickly ...
08/29/2000
6108839Mechanized foldable bed
A mechanized foldable bed is disclosed. The foldable bed has a front frame assembly and a rear frame assembly pivotal with respect to the front frame assembly. The foldable bed has a motor securely mounted under the bed, a driving rod driven by the motor,...
08/29/2000
6110082Multifunctional exercise device
An exercise device comprising two guide members each including an elongated guide track, two handles each including a body slidably mounted to the guide track of one of the two corresponding guide members, and multiple elastic ropes each having a first en...
08/29/2000
6106361Remotely controlled toy vehicle
A generally conventional radio controlled toy vehicle is provided with a mother vehicle. The vehicle can be driven inside the vehicle via a ramp. Once inside, tractive drive to road wheels of the vehicle is used to drive road wheels of the vehicle. In thi...
08/22/2000
6092481Sailing rig
A windsurfer sailing rig includes a mast with a top mast extension. A swivel connection connects the extension to the top of the mast. In use, down haul tension for the mast is applied to hold the swivel connection downwards in position....
07/25/2000
6092321Identity tags
An identity tag contains a label that is pierced (or otherwise marked) when the tag in fitted to a patient. This marking indicates that a proper procedure has been carried out before the label was removed from the tag for use on a patient's body sample....
07/25/2000
6086359Lighter with a safety system
A lighter safety system which in a first "safety on" position prevents the ignition of the lighter by blocking the depression of the lighter trigger. The simultaneous forward engagement of a safety pin with the operator's thumb and the rearward depression...
07/11/2000
6081594Hands-free device with a replaceable adapter for a mobile phone
The present invention provides a hands-free device with a replaceable adapter for a mobile phone. The hands-free device comprises a hands-free body and an adapter. The hands-free body includes a main circuit to provide a hands-free capability to a mobile ...
06/27/2000
6077423Combination above grade automatic stormwater separation filtration system and method of separation and filtration
A method and system for treating stormwater runoff containing impurities includes collecting the runoff in a basin and allowing the runoff to settle in the basin for a predetermined time before allowing the filtration step to be initiated. The time delay ...
06/20/2000
6065515Money holders
A single-fold money or bill holder has a generally rectangular single sheet of backing material and a first cover flap attached to and overlaying more than one-half the length and less than the full length of the backing sheet. Further, the first cover fl...
05/23/2000
6062242Umbrella frame
An improved umbrella frame comprises a stick having an upper sleeve which has an upper nest set on the topside thereof being installed on the stick. And below the upper sleeve, the stick is further installed a mid runner and a lower runner between which a...
05/16/2000
6061935Appliance for treating garment with steamer and iron
A dual appliance for steam treating garments having a central reservoir and an electrical water pump to supply water to a steamer or a steam iron. Separate braided flexible cables supply water and power to the steamer and to the steam iron, to which the r...
05/16/2000
6050939Throat mirror
A laryngeal mirror arrangement comprises a palm-grippable housing that supports a thin elongate shank. A mirror is pivotably mounted at the end of the shank and controlled to pivot by movement of a finger trigger. A hand torch slidably fits into a cylindr...
04/18/2000
6047429Toothbrush with water jet
An electric toothbrush includes a drive shaft that is reciprocated by a motor in a brush handle (not shown). The reciprocating movement is directly transferred to a piston that serves to pump water from a reservoir via a water passage to a water jet nozzl...
04/11/2000
6047898Portable fountain
A portable fountain having a hand truck supporting a liquid reservoir. A control cabinet is attached to the upper portion of the truck. The control cabinet encloses a suction pump and the electronics to withdraw liquid from the reservoir. A multiplicity o...
04/11/2000
6035691Adjustable rod bending device for a corrective spinal rod which is used in a surgical operation
An adjustable rod bending device includes a support table, a pivot base mounted on the support table, a pivot bracket pivotally mounted on the pivot base, and multiple juxtaposed rollers mounted in the pivot bracket to pivot therewith and each having an u...
03/14/2000
6027082Convertible electric utility cross arm insulator unit
A utility cross arm assembly for supporting electrical wires from a utility pole. The entire assembly is constructed from insulative materials. It is provided with easily replaceable wire support members or protective caps to enhance convertibility from a...
02/22/2000
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