Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 6370899 | Single package wall mounted HVAC unit A single package wall mounted HVAC unit comprising a cabinet assembly including a primary cabinet subassembly, a back panel subassembly adapted to close the open back of the back panel subassembly, and cabinet connection means for removably attaching the ... | 04/16/2002 |
| 6283847 | Poultry breast cartilage harvesting system Apparatus for harvesting the cartilage connected to the breastbone on the skeletal portion of a poultry carcass including positioning means for positioning the breastbone for movement along a prescribed processing path and separating means for mechanicall... | 09/04/2001 |
| 6277349 | Tridymite-based processing for high purity quartz A process of purifying crystalline quartz to remove impurities within the lattice structure comprising the steps of heating the quartz to the tridymite polymorphic form and evaporatively reacting the heated quartz with an aqueous acid solution reactive wi... | 08/21/2001 |
| 6129178 | Escape ladder and housing assembly An escape ladder and housing assembly adapted to be attached to the framework in the wall of a structure below an escape opening comprising a housing, a ladder construction adapted to be stowed within the housing, and a connection assembly mounted in the ... | 10/10/2000 |
| 6056768 | Blood vessel sealing system A method of and apparatus for sealing access openings into blood vessels using an expandable member in the blood vessel on a control member that extends out through the access opening and an applicator which inserts a preformed sealing material into the a... | 05/02/2000 |
| 5749481 | Storage rack and structural beam therefor A rack system utilizing a structural beam comprises an elongate central web section with a pair of spaced apart, elongate first leg sections integral with opposite side edges of the central web section to form a generally C-shaped cross-sectional shape; a... | 05/12/1998 |
| 5495551 | Fast recovery circuit for heat pump water heater An external circuit that works in conjunction with the existing tank thermostatic controls to control both a water heating heat pump and the existing resistance elements in a water heater. The existing resistance elements are disabled to allow the heat pu... | 02/27/1996 |
| 5348553 | Method for promoting blood vessel healing A method of repairing a blood vessel having a narrowed portion therein comprising the steps of expanding the narrowed portion of the blood vessel so that the diameter of the blood vessel after expansion is enlarged; and then maintaining an electronegative... | 09/20/1994 |
| 5325082 | Comprehensive vehicle information storage system A vehicle information storage system for all vehicle electronic sensors comprising a condition monitoring subsystem(7) and a storage subsystem(9). The condition monitoring subsystem(7) comprises, display(30), warning lamps(32), and a central processing un... | 06/28/1994 |
| 5256348 | Tire shaping pressure control system and method A system for controlling the shaping fluid pressure in tire bladders in a tire molding press which senses the fluid pressure in the bladder used to shape the tire being loaded into the tire press; compares the sensed fluid pressure in the bladder with the... | 10/26/1993 |
| 5255338 | Heat pump water heater control circuit An external circuit that works in conjunction with the existing tank thermostatic controls to control both a water heating heat pump and the existing resistance elements in a water heater. The existing resistance elements are disabled to allow the heat pu... | 10/19/1993 |
| 5238058 | Spiral flighted double walled heat exchanger A heat transfer coil and method of manufacture where a second piece of tubing is wound around a first piece of tubing while the first piece is straight, where the first piece of tubing is then formed to define the overall coil shape, and then the first an... | 08/24/1993 |
| 5226530 | Prelubricated urinary catheter and package assembly A prelubricated urinary catheter and package assembly for use in draining the bladder through the urethra comprising an elongate catheter tube with a lubricant on the projecting end thereof and a package assembly receiving the catheter therein an arrangem... | 07/13/1993 |
| 5211857 | Gate safety arrangement A method and apparatus for loading a gate into a valve mechanism with a gate safety arrangement for physically preventing the gate from being loaded in the valve mechanism unless the gate has a prescribed orientation with respect to the loading path into ... | 05/18/1993 |
| 5188330 | Plant support structure A plant support structure including a base support, an elongate staff member, a trunk attachment arrangement for releasably and flexibly connecting the projecting of said staff member to the trunk of the plant, and a mounting block for mounting the staff ... | 02/23/1993 |
| 5188216 | Magnetic grid A conveyor system for use in a continuous proofing and baking apparatus to convey ferromagnetic dough receptacles comprising an elongate track with a conveyor chain mounted in the track and a plurality of product supporting grid assemblies on the chain wh... | 02/23/1993 |
| 5186678 | Heart and liver harvesting system Method and apparatus for mechanically and individually removing the heart and liver from poultry viscera still attached to the poultry carcass being transported through the poultry plant by an overhead conveyor and cleaning the heart after removal.... | 02/16/1993 |
| 5183275 | Brake for in-line roller skate A brake for in-line roller skates with an articulated mounting on the roller skate frame that movably mounts a roller for selective engagement with rear roller skate wheel on the skate and a ground engaging brake pad arrangement the serves to actuate moun... | 02/02/1993 |
| 5163608 | Combination postcard/container insulator A combination postcard/container insulator with a substantially rectilinear sheet of flexible insulating material to wrap around the container and fasteners to maintain the sheet wrapped around the container yet are mailable.... | 11/17/1992 |
| 5161666 | Conveyor belt cleaner Apparatus for cleaning clinging residual material from a conveyor belt including a ribbed cleaning roll supported rotatably adjacent to a surface of a conveyor belt to be cleaned by mounting assemblies on opposite sides of the conveyor belt. A drive motor... | 11/10/1992 |
| 5147341 | Self contained urinary catheter assembly A self contained urinary catheter assembly for use in draining the bladder through the urethra comprising a flexible receptacle defining a closed chamber therein; a mounting on the receptacle with a catheter opening therethrough to the closed chamber; and... | 09/15/1992 |
| 5139500 | Bone attachment system An attachment wire construction for attaching bone together, including an elongated wire having a leading end defining a drill tip. The wire has an anular breakneck groove that forms a reduced diameter frangible section. The leading end of the wire is ext... | 08/18/1992 |
| 5137007 | Archery shooting control system A shooting control system for bows and arrows that cooperates with front sight pins including a bowstring sight having a base mounted in the strands of the bowstring and sight inserts selectively mounted on the base for the user to sight through using the... | 08/11/1992 |
| 5127572 | Soldering method and tool The method of the invention comprises the steps of locating the integrated circuit so that the projecting ends of the pins thereon are in juxtaposition with the corresponding connector pads on the printed circuit board; and applying solder to the connecto... | 07/07/1992 |
| 5107560 | Knife tool A knife tool comprising a handle pivotally mounting a cutting blade and an elongate feeler gauge blade with a tapered gauging section on the feeler gauge blade having measuring indicia thereon and a reinforcing section extending along the length of the ta... | 04/28/1992 |
| 5098335 | Processing roll assembly A processing assembly for use in processing poultry parts by separating the parts into different portions comprising an elongate roll with helically extending teeth and a cover defining a recess therein for the discharge end of the roll with a size such t... | 03/24/1992 |
| 5092461 | Needle cover assembly A needle cover assembly for a needle with a clamp to slidably clip the assembly onto the needle support, a needle enclosure to fit over the needle tip and an extension connecting the clamp with the needle enclosure so that the needle can be covered in a o... | 03/03/1992 |
| 5052187 | Water flow control for heat pump water heaters A heat pump for heating water in a condenser where the water is circulated through the condenser by a pump controlled by the condensing temperature of the refrigerant to return water heated to a usable temperature to the upper end of the water tank.... | 10/01/1991 |
| 5041053 | Heart harvesting system and method Method of and apparatus for processing the heart from poultry viscera by removing the connecting structure and any lungs connected to the heart with a pair of processing rolls to pull the connecting structure between the processing rolls and the heart dow... | 08/20/1991 |
| 5041052 | Liver harvesting system and method Method of and apparatus for removing the liver from poultry viscera by mechanically stretching the viscera connected to the liver to pull the gall bladder away from the liver; and, mechanically cutting between the liver and the gall bladder to separate th... | 08/20/1991 |
| 5018457 | Waste treatment system Method and apparatus for processing hazardous waste by incinerating the hazardous waste to a temperature sufficient to break down the hazardous waste; directing at least a portion of the exhaust gas stream produced by the incineration through a spray drye... | 05/28/1991 |
| 5011050 | Stepped gate safety arrangement Apparatus for loading a gate into a valve mechanism with a gate safety arrangement for physically preventing the gate from being loaded into the valve mechanism unless the gate has a prescribed orientation with respect to the loading path into the valve m... | 04/30/1991 |
| 4993436 | Aspirating and volatilizing liquid dispenser A dispenser comprising a container and a mouthpiece is adapted to deliver a volatilizable liquid orally to the user. A volatilizing chamber is defined between the liquid reservoir in the container and the drawing passage in the mouthpiece through which th... | 02/19/1991 |
| 4989596 | Face chamber A face chamber for use with a continuous positive airways pressure apparatus to treat a patient comprising a housing with a pressure chamber and a face receiving opening to fit over the patient's face, a seal to seal the patient's face to the housing so t... | 02/05/1991 |
| 4972304 | Lighting system A handbag having a liner and an outer shell. A flexible mounting member is attached to the liner between the outer shell and liner. A switch, light and battery are attached to the flexible mounting member. The switch and light extend through the flexible ... | 11/20/1990 |
| 4955930 | Variable water flow control for heat pump water heaters A heat pump for heating water in a condenser where the water is circulated through the conductor by a pump controlled by the condensing pressure of the refrigerant to return water heated to a usable temperature to the upper end of the water tank.... | 09/11/1990 |
| 4948033 | Moisture resistant container A multi-piece foldable container including a corrugated body blank and a pair of corrugated liner blanks. Support columns are found in the liner blanks at positions along the sides of the container while multiple layers of the corrugated fibreboard are pr... | 08/14/1990 |
| 4921028 | Door hardware cover A cover for door hardware which has a plastic sheet to be adhesively attached to the base of the door hardware and cover the door hardware while painting.... | 05/01/1990 |
| 4914825 | Squaring tool A squaring tool comprising a pair of squaring members with two blades, each of the two blades integrally joined together oriented at 45° with respect to each other; a frame assembly defining a passage therethrough having a cross-sectional shape and size ... | 04/10/1990 |
| 4911446 | Ball handling game A ball handling game with a fork member and a ball adapted to roll along the fork member where the fork member has reversing end sections to facilitate movement of the ball around the ends of the fork legs.... | 03/27/1990 |
