Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 6564709 | Device for transmitting rotary motion to a plate-holding impression cylinder of a plate mounting machine for flexographic printing A device for transmitting rotary motion to a plate-holding impression cylinder of a plate mounting machine for flexographic printing, comprising a backup roll which can be actuated rotatably by a first motor; a beam, which is provided with crescent-shaped... | 05/20/2003 |
| 6513232 | Vertical pipe expander A vertical pipe expander to be used to expand the pipes assembled with fins of finned heat exchangers comprises, on a supporting frame, supports for rods of pipe expanding cones, performing vertical translational motion and arranged above a seat for a hea... | 02/04/2003 |
| 6494233 | Insert with connecting outlet, particularly for flexible hoses for hydraulic and industrial applications An insert with connecting outlet for flexible hoses, particularly for hydraulic and industrial applications, comprising a body which is suitable to be inserted, with a first end, in a flexible hose to be connected and, with a second end, in a port of an a... | 12/17/2002 |
| 6458983 | Method for synthesizing complexes of platinum with iminoethers and their use as antitumoral drugs and nucleotide-base modifiers A process for synthesizing complexes of platinum(II) with iminoethers having the formula: [PtII X2 (L)(L')], where X is a monoanionic ligand, L is an iminoether ligand and L' is an amine group or, exclusively for the case of cyclic i... | 10/01/2002 |
| 6427460 | Refrigeration system having a refrigeration cycle which provides optimized consumption A refrigeration system having a refrigeration cycle which provides optimized consumption, comprising a main section, which is constituted by at least one main compressor, a main condenser, which is connected between the compressor and at least one expansi... | 08/06/2002 |
| 6357600 | Drip chamber for transfusion dialysis infusion kits and the like A drip chamber (1) for body fluid and discharge kits, includes a hollow tubular external closure (2) with a connector (4,5,6) formed at a first end for an outward fluid-flow connection to an external circuit and a second open end (3) arranged opposite to ... | 03/19/2002 |
| 6349241 | Method and apparatus for automatically laying, cutting and removing material on and from a continuously moving conveyor A method for automatically cutting products, composed of a plurality of elementary pieces, such as items of clothing in general, shoes, leather goods, sofa upholstery and any other similar product, including the steps of: acquiring all the geometric chara... | 02/19/2002 |
| 6295845 | Thread dispensing device for dispensing thread at a feed of a circular knitting machine A device for dispensing at least one thread at a feed or drop of a circular machine for knitting hosiery or the like, particularly for single-cylinder circular machines. The device comprises at least one thread guide which is arranged at a feed or drop of... | 10/02/2001 |
| 6269554 | Combined pronation and supination control plantar insert for shoes A combined pronation and supination control plantar insert for shoes comprising posture control elements adapted to correct and/or modify the posture of the entire tendon, bone and muscle structure of the body, both laterally and medially and both for tal... | 08/07/2001 |
| 6266823 | Tie with concealed pockets A tie with means for supporting documents, credit cards, bills and objects in general, comprising, at an internal portion of the front apron, at least one compartment which can be accessed by means of at least one opening and can be closed by the lateral ... | 07/31/2001 |
| 6141939 | Apparatus for sequentially applying panels of plastic caps to groups of cans or jars An apparatus for sequentially applying panels or row of plastic caps to groups of cans or jars, which comprises: a feeding path for panels of caps, which is arranged above a belt conveyor arranged to feed a sequence of cans, already filled with product an... | 11/07/2000 |
| 6098314 | Boot with an interconnected inner boot and cuff structure An innerboot, particularly for skates comprising a rigid shell associated with a supporting frame for two or more in-line wheels or for an ice-skating blade. The innerboot is of the soft type and is constituted by a rigid cuff that affects at least the ca... | 08/08/2000 |
| 6060668 | Set of switches with means of mutual locking Set of switches mutual locking devices, comprising switches with actuator toggles and locking elements, each of the switches having a rocker supported by an elastic element and having Bowden type cables to be connected to the two arms of the rockers, the ... | 05/09/2000 |
| 6029478 | Knitting machine with plural knitted fabric tensioning rollers A device for tensioning knitted fabrics in knitting machines, particularly in large-diameter circular machines device comprises a plurality of tensioning rollers which are arranged side by side so as to contact substantially all the transverse extension o... | 02/29/2000 |
| 6024611 | Circuit breaker with detachable contacts A circuit breaker with detachable electric contact, constituted by plates (2,3) which are blanked or cut so as to form adjacent contact laminae (14) which define a seat (6;) for the insertion of a fixed current conducting bar (11) and a movable seat (5) f... | 02/15/2000 |
| 6024002 | Bar feeder with pre-feed device for an automatic lathe A bar feeder for an automatic lathe provided with a carriage which feeds, by a certain extent, into the bar guiding channel the bar fed from a magazine before the bar is pushed towards the lathe by the bar pusher.... | 02/15/2000 |
| 6023949 | Circular knitting machine with drive roll feed back device for tensioning the knitted fabric A circular machine for knitting or hosiery with a device for tensioning the knitted fabric, the tensioning device comprising at least two tensioning rollers which are arranged below the needle work area and are arranged substantially horizontally. The ten... | 02/15/2000 |
| 6014875 | Needle selection device, particularly for selecting the dial needles in circular knitting machines A needle selection device in a circular knitting machine, including: needles which are slidingly accommodated in grooves formed in a needle holder and which have pivoting levers provided with heels; needle actuation cams facing the needle holder and formi... | 01/18/2000 |
| 6013043 | Device for monopodic reeducation A device for monopodic reeducation having a support for a user foot and elastically deformable elements that can be selectively associated with the support in a downward region. The device is particularly effective for curing various disorders of the pelv... | 01/11/2000 |
| 6007315 | Apparatus for molding a plastic seal inside a closure for closing a container Apparatus for molding a plastic seal inside a closure for closing a container, having a line for transferring the closures through a closure heating station, a station for dispensing and preforming plastic material in the pasty state, suitable to deposit ... | 12/28/1999 |
| 6001914 | Crosslinkable silicone compound, stable under storage conditions A crosslinkable silicone compound including: a crosslinkable silicone polymer, constituted by polyorganosiloxane; a crosslinking agent, constituted by polyhydrogen organosiloxane; a platinum catalyst; and a synthetic sodium-aluminum zeolite. The compound ... | 12/14/1999 |
| 5993605 | Apparatus for manufacturing a filtering medium in sheet form An apparatus for manufacturing a filtering medium in sheet form, comprising at least one first continuous machine, adapted for manufacturing paper and the like and suitable to form at least one first web on a first conveyor, and at least one second contin... | 11/30/1999 |
| 5975163 | Bag filling valve for viscous fluids A housing (10) has a cavity (18) to which fluid product can be fed, and which opens into a terminal neck (20) adapted to be inserted over a bag straw. A hollow bolt (28), having a bore at its tip, is slidable in the housing between a neck-shutting positio... | 11/02/1999 |
| 5975692 | Connecting device for tinted lenses on corrective eyeglasses A device for connecting monolithic tinted lenses on a bridge of a pair of corrective eyeglasses, consisting of a first body which has first and second elements for temporary engagement at at least one seat formed on the lens and to the bridge. A second bo... | 11/02/1999 |
| 5977518 | Food warmer for sweet and salted products A food warmer for sweet and salted products, comprising a base and a cover which are mutually articulated and contain heating and insulation devices for a first plate and a second plate. The peculiarity of the food warmer consists in that at least one of ... | 11/02/1999 |
| 5823974 | Biomedical apparatus particularly for measuring anisomelia of the lower limbs A biomedical apparatus, particularly for measuring anisomelia of the lower limbs of a patient and the posture of the trunk of the patient in relation to the measured anisomelia. The apparatus comprises at least one first post extending vertically from an ... | 10/20/1998 |
| 5823013 | Knitted tubular components with form-fitting pouch and methods for manufacturing same A method for producing tubular components, particularly for manufacturing hosiery or other items of clothing with a shaping effect by using circular knitting or hosiery-making machines, and a tubular component obtained with the method. The method consists... | 10/20/1998 |
| 5775701 | Exhaust tube gasket for combustion gases The exhaust tube gasket comprises two elastically squeezable steel rings (20, 22; 120, 122) received on an annular, malleable steel sheet (10; 110). One of the rings (20; 120) closely surrounds the tube passage, while the other, outer ring (22; 122) follo... | 07/07/1998 |
| 5714814 | Support for the rotor shaft of a centrifugal pump with permanent-magnet electric motor A support for the rotor shaft of a centrifugal pump with permanent-magnet electric motor. The motor is of the type which comprises a laminate-pack stator with a coil-like winding and a rotor placed in a cylindrical chamber which is separate from the stato... | 02/03/1998 |
| 5712053 | Biochemically-powered self-exciting electric power source Biochemically-powered self-exciting electric power source including, inside a container for containing an electrolyte, an anode which is coated with a biochemical compound, a first electrode, and a second electrode, which are electrically separated from o... | 01/27/1998 |
| 5711997 | Semifluid mix and associated environmental restoration method A semifluid mix for environmental reclamation, comprising peat, a hydraulic binder, resins, seeds, lime, and manure, the mix being particularly adapted to restore a covering of vegetation on surfaces that have suffered environmental degradation, such as s... | 01/27/1998 |
| 5709524 | Device for picking up stacks of products from a support A device for picking up stacks of products from a support, wherein a head for picking up a stack of products from a flat support is provided with presser elements adapted to act on the stack and with a flexible lamina adapted to enter between the stack an... | 01/20/1998 |
| 5706676 | Pneumatic thread feeder in knitting machines or the like A pneumatic thread feeder in knitting machines or the like having at least one tube in which a passage is provided having an outlet to be directed towards the needle work region of a knitting machine; injection means for injecting air through the tube; me... | 01/13/1998 |
| 5705657 | Isocyanate process for the preparation of 1,3A,8-trimethyl-1,2,3,3A, 8, 8A-hexahydro-pyrrole 2,3-B! indol-5 (3AS, 8AR) -hepthylcarbamate A process for the preparation of 1,3a,8-trimethyl-1,2,3,3a,8,8a-hexahydro-pyrrole2,3-b!indol-5(3aS,8aR)-he ptylcarbamate, of formula (I) ##STR1## by reacting eseroline with heptylisocyanate in the presence of a metal cyanate and of a quaternary... | 01/06/1998 |
| 5683193 | Device for retaining sheets files or punched cards in binders or the like The device for retaining sheets, files, or punched cards in binders has a body defining a base portion that can be associated with the cover of a binder. Two arms extend from the base portion and constitute the two arms of an open ring. The two arms can m... | 11/04/1997 |
