William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 5536098 | Bearing assembly for a wheel hub/constant velocity universal joint unit A bearing assembly for a wheel hub/constant velocity universal joint unit which includes a double-row bearing which has a one-piece outer bearing ring to be connected to a wheel carrier. The bearing inner bearing rings are directly formed by the wheel hub... | 07/16/1996 |
| 5536101 | Drive assembly for slide-on hub A driveshaft assembly has external profiled teeth at its end and a slide-on hub with a shaft bore with corresponding inner profiled teeth. A first securing mechanism form-fittingly engages a groove or thread radially cut into the profiled teeth and provid... | 07/16/1996 |
| 5533352 | Forced air heat exchanging system with variable fan speed control Liquid refrigerant temperature, measured by a sensor adjacent the flow control device, provides multiple diverse pieces of information which are used to control the indoor fan speed. liquid refrigerant temperature is used as an indication of outdoor air t... | 07/09/1996 |
| 5533519 | Method and apparatus for diagnosing joints A method and apparatus for diagnosing joints based on sensed joint vibrations. Accelerometers disposed on the skin adjacent to the joint detect vibrational patterns during movement of the joint. These patterns are then processed by one processor to genera... | 07/09/1996 |
| 5533750 | Simplified inflatable restraint module An inflatable restraint module especially adapted for seat mounted side impact protection. The restraint module incorporates a retainer bracket with projecting deformable tab fingers which are loaded inside the bag through an access slit. Slots on opposit... | 07/09/1996 |
| 5531543 | Device for ensuring free water passage to roof rainwater outlets in connection with ice formation A device for ensuring free flow to roof rainwater outlets, especially on flat roofs, in connection with ice formation. The device comprises a feed means (1) in the form of at least one channel member (2) extending outwards from a gully (4) and being provi... | 07/02/1996 |
| 5531705 | Syringe unit A syringe unit arranged for a single-use only. The syringe unit comprises a barrel substantially closed at one end by a nozzle and open at the other end. A plunger having a piston is received in the barrel and is movable therealong. A fluid chamber is def... | 07/02/1996 |
| 5531560 | Motorcycle towing device The invention relates to a trailer 10 for towing vehicles having a single front wheel, such as a motorcycle, behind another vehicle. The trailer 10 includes a heavy duty frame 12 having concave shaped wheel carriages which engage the front wheel tire 26 o... | 07/02/1996 |
| 5531631 | Microfinishing tool with axially variable machining effect A microfinishing machine particularly adapted for microfinishing external cylindrical surfaces such as found on internal combustion engine crankshaft bearing journal. The machine includes a microfinishing tool assembly which presses an abrasive coated fil... | 07/02/1996 |
| 5531643 | Constant velocity universal ball joint A constant velocity universal ball joint has the ball tracks in the outer joint part (11, 31, 51, 71) and in the inner joint part (13, 33, 53, 73) designed in such a way that, with coaxial axes (A11, . . . ; A13, . . . ) and correspo... | 07/02/1996 |
| 5532456 | Temperature and humidity controllable doorless oven Disclosed is a temperature and humidity controllable doorless oven for cooking, warming and storing food products for extended periods of time. The oven includes a cabinet having interior walls and exterior walls which form an air duct between the walls. ... | 07/02/1996 |
| 5531684 | Implantable access devices An access port for implantation within the body of a patient. The device includes an implanted internal catheter for providing repeated access to at least one predetermined site within the patient. The access port according to this invention includes a ho... | 07/02/1996 |
| 5529196 | Carbonated beverage container with footed base structure A one piece plastic container for carbonated beverages has a footed base structure. The upper portion of the base structure includes hollow projections between which are formed relatively stiff strap formations. A deformable open region at the upper end o... | 06/25/1996 |
| 5528908 | Blocked fan detection system for heat pump The blocked fan or obstructed airflow condition is detected by measuring the difference between outdoor air temperature and outdoor exchanger coil temperature. If a very high difference is detected, or if no decrease in the difference is achieved after te... | 06/25/1996 |
| 5529735 | Cutting of hollow core slabs A method of transversely cutting a prefabricated slab having one or more hollow longitudinal cores includes inserting a pair of expandable plugs into at least one of the one or more cores, the plugs of the or each pair being positioned in a respective cor... | 06/25/1996 |
| 5529742 | Method for forming plastic molded panels with inserts Plastic panels which are useful as automotive interior trim panels, interior door panels and the like decorative and structural panels, are made by a method which integrates insert sections in the surfaces of the panels and eliminates insert edge trim mol... | 06/25/1996 |
| 5529381 | Cable-actuated linear retractor for a child seat A linear-type belt retractor is disclosed which can be incorporated into the safety belt restraint system of a vehicular seat, auxiliary child seat or integral child seat. The linear-type belt retractor includes a stationary lock plate and a latch assembl... | 06/25/1996 |
| 5529378 | Movable vehicle seat assembly with improved latch A vehicle seat assembly which is movable between at least one use position in the vehicle end at least one storage location, and in which a seat component, such as a seat cushion, is movable between non-operative and operative positions. The seat assembly... | 06/25/1996 |
| 5529297 | Clamp having internal snap-fit attachments A clamp having internal snap-fit attachments has a first member, a second member and an actuating mechanism. At least one of the preceding members has a pair of sections thereof which are attached together by a plurality of snap-fit attachments.... | 06/25/1996 |
| 5529529 | Cylinder liner microfinishing apparatus and method An apparatus for microfinishing an interior cylindrical surface. The apparatus includes a mechanism which holds and rotates the workpiece about an axis. A tool, having radially directed work areas, is positioned within the workpiece and causes a strip of ... | 06/25/1996 |
| 5527167 | Scroll machine sound attenuation A scroll-type machine has a motion controlling member for preventing relative rotation between a first and a second scroll member while allowing relative orbiting motion therebetween. The scroll-type machine includes a novel arrangement of a spring or oth... | 06/18/1996 |
| 5527095 | Pawl and ratchet assembly An improved latching mechanism for a rocking-type chair selectively permits or inhibits rocking motion of the chair frame relative to the base upon actuation. The improved latching mechanism includes a pawl and ratchet assembly having a spring-biased pawl... | 06/18/1996 |
| 5527158 | Scroll machine with overheating protection A thermally responsive valve assembly (134) for scroll motorcompressor high temperature protection, which causes a high-side to low-side leak when excessive discharge gas temperatures are encountered, thereby causing the motor protector (35) to trip and d... | 06/18/1996 |
| 5527432 | Method of dry separating fibers from paper making waste sludge and fiber product thereof Provided are methods of dry recovering useable fiber from paper making sludge. In the methods, paper making sludge is dewatered and dried. The dewatered and dried sludge is then fiberized using a dry fiberizing machine into a fibrous material consisting o... | 06/18/1996 |
| 5526633 | Lawn mower having improved deck height adjustment mechanism A lawn mower having a deck height adjustment mechanism for simultaneously adjusting a height of a deck of a lawn mower at all four wheels of the lawn mower by the use of a single hand of the operator. The mechanism includes an index plate having a plurali... | 06/18/1996 |
| 5527342 | Method and apparatus for securing soft tissues, tendons and ligaments to bone An apparatus for securing soft tissues, tendons and ligaments to bone using a suture strand. The apparatus includes a spear member which is able to pierce and securely engage the bone. The spear member includes an eyelet which is able to carry the suture ... | 06/18/1996 |
| 5527316 | Surgical reamer A surgical reamer is used in conjunction with a femoral neck cutting guide to enlarge the intramedullary canal of a resected host femur to expose hard cortical bone. The reamer has a longitudinally fluted cutting head that is flexible and able to bend rel... | 06/18/1996 |
| 5527278 | Implantable access devices An access port for implantation within the body of a patient for providing repeated access to a specific site within the patient and communicating with the site by an implanted internal catheter. The access ports in accordance with this invention include ... | 06/18/1996 |
| 5527277 | Implantable access devices A template for use with an access port implanted within the body of a patient and providing repeated access to a specific site within the patient by communicating through an implanted internal catheter. The access ports with which this invention is used i... | 06/18/1996 |
| 5526809 | Hollow viscous and soild organ tonometry Ischemia in a hollow internal organ can be detected in its incipient stages by obtaining a CO2 sample from within the organ of interest, measuring the partial pressure of CO2 sample, measuring the bicarbonate concentration of an arte... | 06/18/1996 |
| 5525111 | Articulated transmission joint with quadruple drive link The four trunnions (11) transmit the rotation of the shaft (8) to the body (1) through the intermediately of four tracks (3) which oscillate by rolling without sliding on the inner wall of the body (1). In addition, each track (3) is coupled angularly wit... | 06/11/1996 |
| 5526460 | Impact wrench having speed control circuit An impact wrench having a speed limiting control circuit to allow an operator of the wrench to controllably limit the maximum speed of the wrench to a predetermined value when a trigger thereof is fully engaged. The impact wrench includes a manually adjus... | 06/11/1996 |
| 5526261 | Pseudo-gear transmission control system and method An electronic transmission control system for a self-propelled off-road vehicle having an internal combustion engine and multiple gear powershift transmission controls the powershift transmission and provides the at least on control signal to the engine f... | 06/11/1996 |
| 5524970 | Rotary recliner A rotary recliner for a vehicle seat having a pair of meshing gears rotating about a common pivot. Axially movable wedge segments are provided to bias an eccentric mounting one of the gears to force the gears into tight engagement with one another to elim... | 06/11/1996 |
| 5524958 | Automotive cup holder A cup holder assembly formed as part of a vehicle arm rest. The cup holder includes a slidable drawer mounted to a frame for movement between an extended position and a retracted position. A retaining arm is supported by the drawer and biased to pivot abo... | 06/11/1996 |
| 5525206 | Brightening additive for tungsten alloy electroplate A brightening agent for use in tungsten alloy electroplating baths to replace hexavalent chromium plating or other hard lubrous coatings. Baths of the present invention comprise an effective amount of tungsten ions; an effective amount of a metal ion comp... | 06/11/1996 |
| 5524783 | Self-supporting air removal device for use with a nursing bottle A plunger with a base, upwardly extending shank, and tip receives an open bottom of a nursing bottle having a liquid filled sack in order to expel air from within the sack. Preferably, a trough is formed in the base about the shank for collecting liquid r... | 06/11/1996 |
| 5524939 | Apparatus for and method of attaching hoses and tubes to a fitting A hose coupling for use with flexible hose comprises a biconical fitting which is inserted into a hose end and a frusto-conical locking sleeve located about the hose portion which grips the rearward conical section of the fitting. Sealing arrangements for... | 06/11/1996 |
| 5525109 | Tripode joint with roller securing ring A tripode joint with an outer joint part which comprises three circumferentially distributed axis-parallel recesses forming circumferentially opposed tracks, and an inner joint part whose cross-section is star-shaped and which is provided with three ... | 06/11/1996 |
| 5522280 | Connecting links for windshield wipers and method for fabricating the link The connecting link is manufactured from an elongated hollow extrusion of aluminum, which can be cut to any desired length and bent, as required. Molded plastic coupling members have tongues which are inserted into the open ends of the hollow extrusion an... | 06/04/1996 |