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

Icon_funbox Bizarre Patents

Patent No. 6711769

Pillow with retractable umbrella

A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.

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.

 

Patents Published on 03/29/1994


See All Patents Issued In 1994


    3                  
NumberTitleIssue Date
5297374Prefabricated building structure having a collapsible hip roof and method of erecting the roof
A prefabricated building structure includes a hip roof that is collapsible so that the building structure may be transported from a manufacturing site to an assembly site, such as a homesite, in compliance with governmental regulations related to height a...
03/29/1994
5297375Method and apparatus for closing a pack
A method and apparatus for sealingly closing a pack for liquids in which the top of the pack is provided with a hole into which is fitted a pouring device that includes a cup-like recess which defines a flange. The apparatus includes a pivot device that p...
03/29/1994
5297376Finisher for an image forming apparatus
A finisher operable with an image forming apparatus for discharging paper sheets coming out of the apparatus and each carrying an image thereon to a plurality of bins while sorting the paper sheets and, if desired, packaging the paper sheets in an envelop...
03/29/1994
5297377Density control means for an agricultural feed bagging machine
An agricultural bagging machine is disclosed which includes a plurality of horizontally disposed and vertically spaced cables positioned at the rearward end of the tunnel of the machine. The cables are dragged through the silage being bagged as the baggin...
03/29/1994
5297378Suspension mechanism for reel mowers
A suspension mechanism for a reel mower vehicle, having arm members coupled between a vehicle and a cutting unit, a lever member coupled with each arm member, and a hydraulic cylinder coupled the lever member. A hydraulic circuit actuates the cylinders fo...
03/29/1994
5297379Walk-behind lawn mower with front wheel steering
A walk-behind power driven lawn mower having a front wheel steering system including a control mounted on the mower handle and a linkage system interconnecting the control and the front wheels of the mower so that in operation the mower may be steered to ...
03/29/1994
5297380Ring traveller for a bevelled flanged ring
A ring traveller for use with a bevelled flanged ring of a ring spinning machine or a ring doubling and twisting machine, wherein the ring traveller comprises: (a) first and second traveller arms arranged in approximately the same direction, the first tra...
03/29/1994
5297381Hydraulic system
In a hydraulic system several consumers (5'; 5"; 5'") are supplied by a common regulating pump (1). The regulating pump (1) is controlled as a function between the pump pressure (delta P) and the highest load pressure. This pressure difference (delta P
03/29/1994
5297382Intensifier cylinder
An intensifier cylinder including a body structure defining a first bore, a first piston structure including a piston mounted in the first bore and a piston rod secured to the piston and extending at its forward end through an end wall of the body structu...
03/29/1994
5297383File clip, apparatus and installation method
A roofing tile clip and apparatus and installation method thereof. The clip comprises a rigid body (2) from which extends at least one, preferably two, securing members (3), (11) and a fastening member (6). Each securing member comprises a shank portion (...
03/29/1994
5297384Method for cancelling expansion waves in a wave rotor
A wave rotor system includes a wave rotor coupled to first and second end plates. Special ports are provided, one in each of the first and second end plates, to cancel expansion waves generated by the release of working fluid from the wave rotor. One of t...
03/29/1994
5297385Combustor
An annular combustor for a gas turbine engine includes a sector in the primary combustion zone that operates at a reduced level of airflow than the remaining portion of the combustor by providing fixed air openings in the dome or fuel nozzles and in the c...
03/29/1994
5297386Cooling system for a gas turbine engine compressor
A cooling system for an axial flow compressor of a gas turbine engine is disclosed having a device to tap a portion of air from the primary air flow flowing through the axial compressor and a control device associated with the tap to control the amount of...
03/29/1994
5297387Deflector edge for a thrust reverser
A thrust reverser for a turbofan-type turbojet engine assembly is disclosed having a deflector defining an upstream edge of a reverse thrust opening formed in the turbofan housing so as to control the direction and shape of the gases passing through the r...
03/29/1994
5297388Fluid flow duct with alternative outlets
A fluid flow duct such as the jet pipe of an aircraft gas turbine powerplant has alternatively selectable outlets so that thrust may be directed through either an axial discharge nozzle or through vectorable lift nozzles. Side outlets in the jet pipe lead...
03/29/1994
5297389Method and apparatus for maintaining a required temperature differential in vacuum deaerators
A method and apparatus for providing a required deaerating temperature differential between incoming water and sparge steam in a steam generation system having a vacuum deaerator. The present invention selectively combines raising the energy of the sparge...
03/29/1994
5297390Fuel injection nozzle having tip cooling
The present system or structure for cooling a combustion end of a fuel injection nozzle is accomplished by providing a cooling passage for skin cooling of the portion of the nozzle directly exposed to the combustion flames. A twofold path is provided thro...
03/29/1994
5297391Fuel injector for a turbojet engine afterburner
A fuel injector for a turbojet engine afterburner is disclosed having a fuel tube extending radially inwardly into an afterburner combustion chamber from the engine casing, the fuel injector tube defining a plurality of downstream facing fuel discharge or...
03/29/1994
5297392Air conditioning apparatus
An air conditioning apparatus which includes a single heat source device and plural indoor units including indoor heat exchangers. Some of the indoor units include a fan for introducing outdoor air, while others include a fan for circulating indoor air. I...
03/29/1994
5297393Liquid level and temperature monitoring apparatus
An apparatus is provided for use in monitoring the level and temperature of a refrigerant, wherein the temperature of the liquid phase of the refrigerant is to be maintained below an established acceptable value. The apparatus includes a chamber interpose...
03/29/1994
5297394Clear cube ice maker
An ice maker for use in a domestic refrigerator makes clear ice bodies. The ice maker comprises a support arranged to have an ice body formed thereon. The support is refrigerated to a below-freezing temperature and a container adapted to hold a body of wa...
03/29/1994
5297395Air conditioner using rotary-type heat exchangers
A refrigeration cycle has a compressor, an outdoor rotary-type heat exchanger, a motor-operated expansion valve, and an indoor rotary-type heat exchanger which are sequentially connected to each other to circulate a refrigerant. A tank is set in a connect...
03/29/1994
5297396Air conditioning apparatus having a plurality of indoor units connected to an outdoor unit
A variable-capability compressor and an outdoor heat exchanger installed in an outdoor unit and indoor heat exchangers installed in each of a plurality of indoor units are connected by pipes so as to form a refrigerating cycle. The air-conditioning load o...
03/29/1994
5297397Efficiency directed supplemental condensing for high ambient refrigeration operation
The insertion of a specifically designed liquid cooled supplemental condenser in a refrigeration system, working in operative relation with the air cooled condenser of the system, enhances the system operation. The objective of this supplemental condenser...
03/29/1994
5297398Polymer desiccant and system for dehumidified air conditioning
A liquid polymer-salt solution as a desiccant in an air conditioning system comprised of a heat-pipe having its heat absorber section in an outside air inlet duct following water vapor adsorption into the desiccant by a contacter section of a dehumidifier...
03/29/1994
5297399Manually operated refrigerant recovery device
A manually operated refrigerant recovery device is disclosed that includes a piston/cylinder pump combination, wherein the piston defines opposing fluid chambers in the cylinder. A handle is attached via a connecting rod to the piston. First and second on...
03/29/1994
5297400Liquid dispensing assembly for a refrigerator
A liquid dispensing assembly for a refrigerator includes a liquid supply line that extends into an ejection spout located above a fill chamber, closely adjacent the inner surface of a refrigerator door. The ejection spout defines a nozzle that is angled d...
03/29/1994
5297401Ice maker reservoir apparatus
A reservoir is arranged to permit directing of various fluids into an ice maker such as spring water and the like, wherein the reservoir includes a valve arranged to permit selective fluid flow into the ice maker or selectively into a further conduit for ...
03/29/1994
5297402Warp knitted fabric and process and machine therefor
A process for the production of warp knitted fabric uses a ground guide bar (L1) and at least two guide bars (L2 and L3) with partial threading. Threads (14) of a first additional thread system are worked with a main lap, which comprises a two row repeat....
03/29/1994
5297403Rotatable wash basket for an automatic washer
An automatic washing machine having a imperforate stationery tub and further having a rotatable plastic wash basket, for receiving a clothes load, disposed within the tub. The rotatable plastic wash basket includes a cylindrical outer wall defining a vert...
03/29/1994
5297404Bolt for an inner cylinder lock
The present invention is an improvement on an inner cylinder lock and more specifically, on the bolt thereof. The bolt engages an opening in the rear case of the inner cylinder lock. The improvement on the bolt prevents the bolt from moving in a lateral d...
03/29/1994
5297405Door handle assembly with snap-in key cylinder
A door handle assembly having a snap-in attachment apparatus for assembling a key cylinder to a door handle assembly without the use of separate fasteners and retainers. The door handle assembly has a bored tubular extension that utilizes slots to define ...
03/29/1994
5297406Lock device for a steering wheel of an automobile
A lock device locks a steering wheel in an automobile and has a retaining plate unit which includes an elongated plate body that covers two diametrically opposed portions of a rim of the steering wheel, a first pawl member fixed on the plate body and a se...
03/29/1994
5297407Trailer locking apparatus
A collar member is arranged to receive a trailer pin to effect surrounding of the trailer pin in order to prevent access to the trailer pin for unauthorized removal of the associated trailer structure. To this end, the collar includes a channel having a f...
03/29/1994
5297408Method of an apparatus for controlling hydraulic rolling reduction in a rolling mill
The method and apparatus are provided for controlling the gap between the rolls by comparing the initial gap setting and the actual gap value and providing the quantity of hydraulic fluid for the hydraulic rolling reduction cylinder in response to the out...
03/29/1994
5297409Workhardening high-strength steel aircraft components
A hole is formed in a high-strength steel part and a lubricant consisting essentially of one or more metal powders, preferably of nickel or molybdenum; a metal powder which is more reactive than the steel of the workpiece such as zinc; and an organic medi...
03/29/1994
5297410Method of manufacturing a multiple-walled tube
The invention relates to a method of manufacturing a tube, comprising the application respectively to one side of a metal strip 1 a first layer 2 of a first metal which is brazeable and to the other side of the metal strip 1 a second layer 3 of a second m...
03/29/1994
5297411Method of forming threaded opening
A metal sheet is pierced, pressed and drawn to provide a raised cylindrical section having an axis and which section is partly closed by an annular flange. The flange is bent inwardly to enlarge the cylindrical opening by orbiting a tool in engagement wit...
03/29/1994
5297412Wire working tool and holder
A wire working machine and system are described with a working platform on which a rotatable mount with individually controllable wire working tool actuators is provided. The rotatable mount surrounds a workzone in which wire is worked with the tool mount...
03/29/1994
5297413Load adjusting machine for magnetic disk drive head gimbal assemblies
A computer controlled regram machine for adjusting the loads on head gimbal assemblies to bring the loads within a desired specification window defined by upper and lower window specifications. The regram machine includes a load cell for measuring actual ...
03/29/1994
    3                  
 
Sign InRegister
Username  
Password   
forgot password?