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

Icon_funbox Bizarre Patents

Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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.

 

Attorney: Thrift; Murray E., Ade; Stanley G., Battison; Adrian D.


Number of patents: 66
Last date: December 28, 1993

1    
NumberTitleIssue Date
5273967Method of mosquito control
A process is described for the control of the development of mosquitos in a body of water, by spreading on the body of water a particulate carbohydrate compound. The carbohydrate compound may be a given compound that forms a hydrophillic gum-like layer on...
12/28/1993
5262639Fiber optic cable monitoring method and apparatus including moisture detection and bending loss detection
The invention provides a monitor for monitoring the condition of fibre optic communication cables. The system employs one or more of the optical fibres of a cable to monitor the cable structure for damage or kinks. By using two separate laser sources and ...
11/16/1993
5245982Hydraulic concrete pile cutter
A hydraulic concrete pile cutter includes a blade with a beveled cutting edge extending across most of one edge. The blade confronts an anvil plate for supporting the pile on the side opposite the blade. The single blade is driven through a concrete pile ...
09/21/1993
5241808Wing lifting mechanism for rotary mowers
A rotary mower of the type used for mowing shallow angle furrows has a wing lift mechanism that will lift both wings simultaneously to a common height but permits both wings to follow the contours of the ground when the ground angle exceeds the preset ang...
09/07/1993
5234078Collapsing stair lift
A collapsible stair lift is operable between an upper floor level and a lower floor level. The lift has a set of collapsing steps that lower from their normal in use condition to a position in which the treads of the various steps are flush with the lower...
08/10/1993
5233802Adjustable door frame
An adjustable door frame has adjustable width jambs and header. Each of the frame elements consists of two elongated components held together with interengaging rails and channels on the two components. In use, the frame elements are adjusted to the desir...
08/10/1993
5205086Inflatable tent
A tent has a flexible canopy, a floor and a series of inflatable tubes serving as frame hoops. The tubes are fastened removably to the tent using sleeves that open along a longitudinal slit and hook and loop pile fastener closures for closing the sleeves ...
04/27/1993
5185595Rockbolt monitor
A rockbolt monitor monitors increased loadings on a rockbolt in underground mines. The monitor includes a rockbolt plate fitted on the rockbolt to engage the surface of the rock, a stack of belleville washers on the end of the rockbolt outside the rockbol...
02/09/1993
5158501Below grade heat recovery ventilator
A below grade heat recovery system discharges air into the drainage system below the floor slab and around the perimeter of a house or building. This air may be warm and moisture laden air ventilated from the building so that a portion of its energy conte...
10/27/1992
5149292Bee nest stripper
A hole in a leafcutter bee nest is stripped by pushing a thin tube into the hole to separate larvae in the hole from the surrounding nest material. An ejector, for example a rod sliding in the tube, is used to eject the separated larvae and cocoons. The m...
09/22/1992
5142646Ground fault electrical panel
A circuit breaker panel system supplies power to plural circuits that are ground fault protected and plural circuits that are not ground fault protected. The panel system has two sections. One section, which is not ground fault protected, contains a groun...
08/25/1992
5112016Parking pass-card handling device
A card handling device is provided for manipulating a stiff card so that the card can be inserted into a card reader. The handling device has a long handle and a transverse card holding head at one end. An edge of the card fits frictionally into the chann...
05/12/1992
5108110Game apparatus
An apparatus and method are provided for playing a multi-participant game related to a team sport. The apparatus includes a set of player cards, each identifying a player, a team and the player's position. A set of position cards identifying the various p...
04/28/1992
5101585Digging implement
A digging implement, for example, a snowthrower has a casing with a discharge from the casing and a coiled blade mounted in the casing on a lateral shaft. The blade is arranged for advancement sideways into a body of particulate material, e.g. snow. The b...
04/07/1992
5097562Vertical blind cleaner
The fabric strips of vertical blinds are cleaned using a novel method of apparatus. A strip is laid on an elongate tray and wetted with an appropriate washing liquid, e.g. a detergent solution. The strip is then passed along the tray between two counter-r...
03/24/1992
5094313Utility vehicle
A small, three wheeled utility vehicle has a front steering wheel and two rear drive wheels driven by an automotive engine and transaxle unit. The vehicle has a frame composed of tubular steel parts welded together to provide a complete cage around the pa...
03/10/1992
5078696Needle capping device
Designed for use primarily with needles carrying radioactive material in which the syringe is inserted into a radiation shield, the device includes a freestanding support having a planar shield on the upper end of a stem extending upwardly from a base. A ...
01/07/1992
5076621Corral or stall latch
A gravity latch for a swinging gates such as a corral gate or a gate on a box stall. The latch has a barrel and keeper mounted on the gate and a gate post. They are both rectangular metal tubes and inclined downwardly from the barrel to the gate at an ang...
12/31/1991
5077526Cable failure detection system
A system is provided for monitoring a communications cable for moisture penetration. A line signal generator is connected to a metal armour layer of the cable to apply a line signal to the armour. Changes in the line signal current are monitored to detect...
12/31/1991
5075823Color correcting system for fluorescent lighting
Room light, especially fluorescent lighting is corrected to provide a green-magenta balance comparable to that of natural sunlight by measuring the green-magenta balance of the lighting within the room and applying a filter to each light source to bring t...
12/24/1991
5067216Adjustable line block for autobodies
A line block is used for producing profiles on bodies, especially filled automobile bodies. The block is composed of a series of thin, stacked plates with fine cutting teeth along one edge of each plate. The plates are clamped together with bolts so that ...
11/26/1991
5052517Folding sawhorse
A sawhorse has a T-shaped beam with two brackets secured to the beam adjacent its opposite ends. Legs are pivotally mounted on the brackets to pivot between extended positions projecting downwardly and sloping outwardly to the side and to the end of the b...
10/01/1991
5046665Control means for injection systems of agricultural sprayers
A liquid chemical proportion and application rate controller for agricultural injection type sprayers is connected to a microprocessor and to one or more pumps. Depending upon the chemical being used, a control key is inserted into a monitor which control...
09/10/1991
5043670Block heater tester
A circuit tester indicates the presence of power at an outlet and the continuity of a resistive load connected to the outlet. The tester is particularly useful as an automotive block heater circuit tester. The tester has a housing with a male end equipped...
08/27/1991
5040638Wheelchair lift mechanism
A platform is mounted on a frame for vertical movement on the frame. The platform is raised and lowered using a pair of drums mounted for both rotational and translational movement on the frame. Cables on the drums and connected to the platform tend to ro...
08/20/1991
5036662Inline partial float
A float attachment for hydraulic systems, such as those used in controlling dozer blades, front end loaders, snow plow blades and the like where the blade, bucket or the like is controlled with a double acting cylinder. The float apparatus includes a floa...
08/06/1991
5033452Device for thawing ground
A ground thawing apparatus has a housing containing a fire tube for generating high heat conditions within the housing. The housing is thermally insulated to prevent excessive heat loss. In one embodiment, the roof of the housing is peaked and carries a s...
07/23/1991
5033398Air seeder boot
An air seeder boot includes a rigid pipe connected to the seed tube of the seeder and mounted to the back side of the cultivator shank by a bracket fixed to the front of the pipe. The pipe has an obtuse bend bringing the seed outlet to a position at appro...
07/23/1991
5033243Portable shelter
A portable shelter especially for leafcutter bee nest, consists of six identical molded plastic panels and a molded roof cap. The panels are fastened together using molded in place tabs and pins to form a circular wall that is domed at the top and capped ...
07/23/1991
5018997Skeg protector
A skeg protector is mounted on the leading edge of the skeg of a boat motor. The protector is in the form of a channel of stainless steel fitted on the skeg with the base of the channel spaced forwardly of the leading edge of the skeg. A rubber strip exte...
05/28/1991
5016366Snow ridger
A method and an apparatus for producing ridges on snow covered fields are described. A row of snow is severed from the snow cover and elevated to provide a trench in the snow cover. The row is then deflected to one side of the trench and deposited on the ...
05/21/1991
5011214Truck box cover
A cover for a truck box consists of three side by side panel sections hinged together to pivot between a closed position extending across the top of the truck box and an open position arranged face to face and generally vertically along the side of the bo...
04/30/1991
5007206Dustless drywall sander
A dustless sander has a sanding body with a flat front face. Two exhaust openings open into the back face of the sanding body. Each is associated with a series of vacuum passages that radiate from the exhaust opening. Inlet openings through the front face...
04/16/1991
5006001Keyboard with one hand character key array and one hand mapping key array
A keyboard for use with typewriters, computers, work processors or the like has two components, one operated by each hand. One of the components includes a small array of keys used for typing in characters. The other component has a number of keys for re-...
04/09/1991
5004155Agricultural sprayer
An agricultural sprayer of the injection type has a charging circuit for generating a pressurized circulating flow of fluid additive. This is supplied to the inlet of a metering pump of the variable stroke piston type. This allows the pump to operate at o...
04/02/1991
5000253Ventilating heat recovery system
A ventilating heat recovery system is used for exchanging heat between fresh air introduced to a building and stale air exhausted from the building. The system is designed to provide a long, counterflow heat exchange path. The system includes a stack of r...
03/19/1991
5000139Auto-starter device for internal combustion engine and the like
An automobile engine starter includes a controller for monitoring the internal temperature of the vehicle and generating a temperature signal when that temperature falls outside a predetermined range. The vehicle is also equipped with a mobile telephone o...
03/19/1991
4984746Under carriage sprayer for automobiles or the like
An undercarriage sprayer is provided for automobiles and the like. The sprayer has a T-shaped frame with a castor wheel at the base of the T and two steerable wheels at the ends of the cross bar. A handle connected to the frame at the intersection of the ...
01/15/1991
4983855Liquid level gauge for tanks
A liquid level gauge for tanks includes a float located in the tank to follow the level of liquid in the tank. A cable extends from the float to the top of the tank and over a pulley to the outside of the tank, where it is attached to a weight for maintai...
01/08/1991
4976110Support system for vacuum insulated cylindrical cryogenic vessels
A cryogenic vessel includes an inner product container and an outer jacket surrounding the inner product container with an insulating space between them. Two supports are provided to support the inner product container within the outer jacket. Each suppor...
12/11/1990
1    
 
Sign InRegister
Username  
Password   
forgot password?