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 |
| 5467804 | Wire twister-cutter assembly There is disclosed an assembly mountable as a unit in a wire-tieing machine, including a bearing block in which a twister pinion is rotatably disposed. Wire restraining yoke members and cooperating cutter members are mounted to opposite ends of the bearin... | 11/21/1995 |
| 5467805 | Lead grid spreading machine for making grid plates for electric accumulators A spreading machine has a first conveyor belt, with a high friction rest surface for carrying a grid to be covered with paste; a paste spreading chamber towards which the first conveyor belt advances, where paste is spread on an upper and a lower face of ... | 11/21/1995 |
| 5467806 | Two-part coupling structure having cooperating parts effecting fluid flow upon connection an mutual resealing upon disconnection A two-part coupling structure includes a male coupling part and a female coupling part which are mutually engageable to open fluid communication between a fluid-storage vessel and a conduit. The coupling parts are disengageable from one another to discont... | 11/21/1995 |
| 5467807 | Pneumatic vehicle tire with optimized recyclability A pneumatic vehicle tire has two beads each having a bead core and a carcass of at least one layer anchored at the bead cores within the beads. The beads further have bead profiling members. A reinforcement structure is located radially outwardly of the c... | 11/21/1995 |
| 5467808 | Blind or curtain suspension system An automatic blind or curtain suspension system is described comprising a blind headrail 10 or curtain pole carrying at least one suspension device 28 arranged for movement relative to the headrail 10 or pole towards and away from a stop 48 to open and cl... | 11/21/1995 |
| 5467809 | Liquid-cooled ingot mold for the continuous casting of steel billets in the form of slabs A liquid-cooled plate mold with adjustable width for the continuous casting of billets from steel in the form of slabs, particularly for a slab thickness of less than 100 mm. The shape-imparting broad side plates (1) and narrow side plates (2) of the ingo... | 11/21/1995 |
| 5467810 | Continuous metal casting mold An improved continuous metal casting mold incorporating a removable cassette insert member that has a uniform thickness copper facing plate and a steel backing plate fastened together in such a way as to allow three dimensional expansion of the copper pla... | 11/21/1995 |
| 5467811 | Thin cast strip of austenitic stainless steel and cold-rolled sheet in thin strip form and processes for producing said strip and sheet An austenitic stainless steel sheet is produced by a twin-roll synchronous continuous casting process wherein the sheet has a Ni segregation ratio in the vicinity of its center section of 0.90 or more and δFecal. (mass %) is 6 mass % or more. ... | 11/21/1995 |
| 5467812 | Air conditioning system with thermal energy storage and load leveling capacity A vapor compression air conditioning (cooling and heating) system adapted for operation to reduce the consumption of electric power during peak periods of demand for power is characterized by three refrigerant circuits. A refrigerant circuit includes a co... | 11/21/1995 |
| 5467813 | Robot with suction cup attachment to steam generator partition A robot for carrying out operations in, for example, a chamber of a heat exchanger being divided into two compartments by means of a partition can be attached to said partition by means of suction cups. An accurate vertical movement of the shoulder joint ... | 11/21/1995 |
| 5467814 | Graphite/epoxy heat sink/mounting for common pressure vessel The graphite-epoxy heat sink and mounting structure is comprised of a mounting structure constructed of a graphite-epoxy material that is mounted around a heat generating pressure vessel located inside a spacecraft. The mounting structure is a graphite-ep... | 11/21/1995 |
| 5467815 | Apparatus for impingement cooling In an apparatus for impingement cooling, in which a cooling surface and a cover surface are disposed parallel to one another, trapezoidal profiles that are open respectively on the narrow side and connected to one another at a constant distance from the c... | 11/21/1995 |
| 5467816 | Finned tubes for air-cooled steam condensers A low cost, extended surface, finned-tube of rectangular cross-section is disclosed for use in single-row bundles of the type used in power plant air-cooled steam condensers. The steel U-shaped fins are metallurgically bonded to the steel tubes by hot-dip... | 11/21/1995 |
| 5467817 | Packing element for methods of exchange or conversion of materials designed as a heat-transfer element A heat-transfer element forms a packing element for material exchange or material conversion processes. The packing element has a plurality of parallel layers which extend in a main direction (15) of material flow and are formed by bodies (1) with hollow ... | 11/21/1995 |
| 5467818 | Heat exchanger A heat exchanger (2) comprises an end tank (6) defining therein a fluid inlet (16) through which, in use, fluid enters the heat exchanger, and a fluid outlet (20) through which, in use, fluid leaves the heat exchanger (2), a plurality of heat exchange tub... | 11/21/1995 |
| 5467819 | Orientable retrievable whipstock and method of use An anchor (A) is secured in a cased well bore by a setting tool (T) having latch (10) that releasably secures with the anchor (A). A whipstock (27) has surfaces (33) which are engaged with shaft surfaces (32) at the earth's surface to orient the whipstock... | 11/21/1995 |
| 5467820 | Slotted face wellbore deviation assembly An oil field Wellbore Deviation Apparatus, for deviating a wellbore, which uses an improved whipstock incorporating a new setting apparatus and method, attached to a hydraulic or mechanical anchor packer is disclosed. The new apparatus reduces the number ... | 11/21/1995 |
| 5467821 | Rectilinear tool for use with a slotted face wellbore deviation assembly An oil field tool for setting a Wellbore Deviation Apparatus, for deviating a wellbore, which uses an improved whipstock incorporating an elongated setting slot in the face of the whipstock, attached to a hydraulic or mechanical anchor packer is disclosed... | 11/21/1995 |
| 5467822 | Pack-off tool A pack-off tool comprises a main tubular body including an expandable sealing element located between two non-expandable ring members and being mounted on a mandrel and in sealing engagement therewith at axially spaced locations. The tubular body is axial... | 11/21/1995 |
| 5467823 | Methods and apparatus for long term monitoring of reservoirs A method and apparatus of monitoring subsurface formations containing at least one fluid reservoir and traversed by at least one well, by means of at least one sensor responsive to a parameter related to fluids, comprising the steps of: lowering the senso... | 11/21/1995 |
| 5467824 | Apparatus for and a method of severing multiple casing strings using explosives A method of and apparatus for severing multiple concentric casing strings in an abandoned oil or gas well allowing the upper portion of the casing strings to be removed comprising positioning a container holding a sealed cylinder full of air at atmospheri... | 11/21/1995 |
| 5467825 | Apparatus and method for hanging coiled tubing in wells A dognut for use in the installation of a string of coiled tubing in an oil or gas well features a construction and assembly which enables the dognut to be installed on the tubing, the dognut and tubing to be landed in place in the tubing spool, the dognu... | 11/21/1995 |
| 5467826 | Oilfield tubing string integrally enclosing a fluid production or injection tube and a service line An integrated oilfield tubing string is provided with two continuous fluid-isolated interior passageways extending longitudinally therethrough, wherein the first interior passageway serves as a production or injection tube and the smaller second interior ... | 11/21/1995 |
| 5467827 | Modular fire truck A fire truck having a flat bed includes a conveyor system for loading a number of interchangeable firefighting modules onto the bed. The conveyor system comprises a frame carrying a number of rollers or casters which allow the units to be easily slid on a... | 11/21/1995 |
| 5467828 | Hydraulically powered stalk and root shredder A stalk and root shredder that is provided with rollers which grasp and move stalks and roots upwardly into the path of rotation of blades which shred the stalks and roots and deposits them back onto the ground surface. The stalk and root shredder is hydr... | 11/21/1995 |
| 5467829 | Automatic lift and tip coordination control system and method of using same An automatic lift and tip coordination system for use in connection with an off-highway vehicle having an implement causes an automatic adjustment to the implement lift actuators in response to an operator change in the implement tip angle so that the imp... | 11/21/1995 |
| 5467830 | Weeding device A weeding device includes an elongated shaft, a ground-penetrating tool on one end of the shaft, a pad on the shaft adjacent the tool, and a handle on the other end of the shaft. The user pushes the tool into the ground adjacent a weed and kicks the pad w... | 11/21/1995 |
| 5467831 | Monotube differential pneumopercussive reversible self-propelled soil penetrating machine with stabilizers The invention represents a monotube differential pneumopercussive self-propelled reversible soil penetrating machine with stabilizers (100) having an increased efficiency, reliability, durability, and directional stability, and also a lower cost compared ... | 11/21/1995 |
| 5467832 | Method for directionally drilling a borehole In accordance with illustrative embodiments of the present invention, a measuring-while-drilling system includes a sensor sub positioned at the lower end of a downhole motor assembly so that the sub is located near the drill bit. The sub houses instrument... | 11/21/1995 |
| 5467833 | System for lifting tubulars and equipment below the main deck of platforms Apparatus is provided for lifting equipment or tubulars below the deck of a platform or a drilling rig. Lifting force is monitored with a load cell. A portable platform is added above the deck of an offshore platform to allow running or retrieving a strin... | 11/21/1995 |
| 5467834 | Method and apparatus for short radius drilling of curved boreholes A method and apparatus for the drilling of the curved borehole portion of a horizontal or directional well. A tight radius of curvature is rotary drilled by use of flexible composite drilling pipe or other flexible pipe common to the industry which termin... | 11/21/1995 |
| 5467835 | Drilling or chiseling tool with suction apparatus A drilling or chiseling tool includes a suction apparatus (8) releasably mounted on a housing (1) of the tool. The suction apparatus (8) contains a replaceable separating device (11) formed of a housing (13) subdivided into two separate chambers (K1, K2) ... | 11/21/1995 |
| 5467836 | Fixed cutter bit with shear cutting gage An earth-boring bit of the fixed cutter variety is provided with hard gage inserts that protrude from the gage surface of the cutter to engage the side of the borehole for holding gage. The gage insert has a substantially flat, polygonal face defining at ... | 11/21/1995 |
| 5467837 | Rotary drill bit having an insert with leading and trailing relief portions A roof drill bit having a tool body with a cutting insert brazed thereto. The cutting insert has opposite leading and trailing face portions joined by a side surface which has a leading side relief portion adjacent the leading face portion and a trailing ... | 11/21/1995 |
| 5467838 | Automatically deployable vehicle stabilization system An automatically deployable vehicle stabilization system comprising a pair of stability arms pivotally coupled to a vehicle frame. The stability arms are fixedly coupled to a pivot bar. A drive mechanism interconnecting the pivot arms with a steering colu... | 11/21/1995 |
| 5467839 | All terrain vehicle A four-wheel all terrain vehicle having a centrally-mounted engine, straddle type seating and oversized balloon tires. The vehicle is arranged such that footpegs for the rider are located inwardly of the tires to avoid interference between either the foot... | 11/21/1995 |
| 5467840 | Drive unit for movement of telescopic seating system A drive unit (10) is provided for extending or retracting a telescopic seating system and includes a frame (14) into which a front axle (24) and a rear axle (26) are journaled, a plurality of transversely spaced wheels (28) mounted on the front axle (24) ... | 11/21/1995 |
| 5467841 | Escape window frame assembly Disclosed is a new escape window frame assembly for facilitating emergency egress from a building by using a window frame having a concealed collapsible escape ladder which is cleared for deployment when a window mounted within the frame is pivoted outwar... | 11/21/1995 |
| 5467842 | Collapsible saw horse There is disclosed an improved collapsible saw horse comprising a horizontal member over the center of which is affixed a tubular spacer. Left and right rotatable sleeves are disposed over the horizontal member on each side of the tubular spacer to obtain... | 11/21/1995 |
| 5467843 | Arrangement for guiding lubricating oil in an internal-combustion engine An internal-combustion engine which has an intermediate shaft extending in parallel to the crankshaft, comprises a basin which is arranged between the shafts and which guides lubricating oil released by the crankshaft drive into an oil sump. This basin ha... | 11/21/1995 |
