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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 6035504 | Device for folding the edges of roof cutouts for motor vehicle sliding roofs The application relates to a device for folding the edges of roof cutouts for motor vehicle sliding roofs in which the coachwork has an outer (1) and an inner (3) panel, each with an upwardly projecting flange (2, 4) limiting the roof cutout and the flang... | 03/14/2000 |
| 5984288 | Device for clamping parts, in particular metal sheets, in a welding or mounting line A device for clamping parts, in particular metal sheets, in a motor vehicle mounting line, has a console, a support for the parts that may be secured on a top stop of the console, and a pneumatic clamping device that actuates a pressure piece that can be ... | 11/16/1999 |
| 5902497 | Process and device for cooling the area of a weld during laser welding A process and an apparatus for the cooling of a welding seam area during laser welding of plates or strips, preferably used in car body construction in automotive engineering. It is described how expediently the cooling agent supply and also the supply of... | 05/11/1999 |
| 5889340 | Elongate stator for a linear motor and bundle of laminations for producing said elongate stator The invention concerns an elongate stator for a linear motor with grooves and elastically deformable electrical leads which are secured therein. The groove walls are open towards the exterior by means of slots which, at their narrowest point, are narrower... | 03/30/1999 |
| 5850794 | Method for arranging and arrangement of functional components at the track support structure of rail-bound vehicles In a method for arranging functional components at a support structure of a track of rail-bound vehicles, a first functional component is furnished with first positioning elements. Projecting arms of the support structure are provided with throughbores. T... | 12/22/1998 |
| 5832807 | Hydraulic control for a dividing machine tool A hydraulic control for a dividing machine tool, in particular a shear or cutting press, in which a damping device is provided in order to counteract a sudden downward movement of the working piston upon the cutting through of a workpiece during an operat... | 11/10/1998 |
| 5764050 | Method for the reliable determination of the distance of the conductive reaction track from a functional surface of a magnetic levitation vehicle moving relative to the reaction track and a sensor for performing the method In a method for measuring a distance between a conducting reaction track and a functional surface moving relative to the reaction track a sensor with two signal transmitters is provided on the functional surface. An alternating field is generated in the s... | 06/09/1998 |
| 5647262 | Cutting device for cutting scrap metal A cutting device for cutting scrap metal has a support frame with slide guides connected thereto. A blade slide is vertically slidable in the slide guides along a travel path. A first blade is connected to the blade slide, and a second blade is fixedly co... | 07/15/1997 |
| 5630553 | Method and device for recycling heterogeneous mixtures of materials resulting from size-reduction processes In a method for recycling heterogeneous mixtures of materials resulting from size-reduction processes the heterogeneous mixture of materials is comminuted to form a comminuted intermediate product from which in a subsequent step comminuted particles of a ... | 05/20/1997 |
| 5505393 | Crushing device especially for scrap metal A crushing device for crushing material such as scrap metal and refuse has a housing with a material feeding section and a material removal section for removing crushed material. A shaft with a rotor connected thereto is rotatably supported in the housing... | 04/09/1996 |
| 5448828 | Process for preparing wear-resistant edges on turbine blades A process for preparing wear-resistant edges (3) on turbine blades, e.g., in the area of the upper leading edge of the blade and on the cover sheet, preferably for steam turbines made of chromium steels and/or titanium-based alloys includes preparing a re... | 09/12/1995 |
| 5393141 | Method for operating cooling mixer for bulk material in powder and granular form A cooling mixer for bulk material, especially plastic material, in powder and granular form has a cylindrical container with a bottom portion, the container having a container double wall with an intermediate space and at least one outlet opening at the b... | 02/28/1995 |
| 5370059 | Structure for supporting trackway of a track following transportation system, in particular, a magnetic suspension railroad A structure for supporting a trackway of a magnetic suspension railroad includes at least one support, at least one equipment element having an operational surface extending in a track direction, and an arrangement for securing the equipment element on th... | 12/06/1994 |
| 5365855 | Track for magnetic levitation trains with stator connection having shear loaded belts A track for magnetic levitation trains with a track support beam (1), which has lateral side guide rails (3) at its longitudinal edges and crossbeams (4) extending between these rails, as well as longitudinal beams (5) connecting the crossbeams (4), where... | 11/22/1994 |
| 5345877 | Junction for neighboring car bodies of a track-bound vehicle, especially of a magnetic levitation train, having cable connected doors A junction for neighboring car bodies of a track-bound vehicle has a first door guided within a first end wall of a first car body for closing a doorway of the first car body and a second door guided with an adjacent second end wall of the neighboring car... | 09/13/1994 |
| 5323609 | Exhaust system for armored vehicles For reducing IR detectability of an armored vehicle propelled by an internal combustion engine, the exhaust system includes a muffler connected to the internal combustion engine and an exhaust line connected to the muffler and opening into the atmosphere.... | 06/28/1994 |
| 5255294 | Sealing device for cylindrical hollow bodies with an opening at an end face, especially for sealing pump sockets in the interior of reactor containers A sealing device for cylindrical hollow bodies of a small diameter has a cylindrical sealing insert with two coaxially arranged, axially displaceable members and an elastic sealing ring disposed between the two members. A displacement of the two coaxial m... | 10/19/1993 |
| 5131132 | Method for accurately positioning and mounting of component to be connected A high degree of accuracy with regard to the location of a line such as a rail line is effected and a rigid, force-receiving connection with regard to a supporting structure and the precisely positioned mounting of components to be connected thereto at pr... | 07/21/1992 |
| 5097769 | Structure for supporting trackway of a track following transportation system, in particular, a magnetic suspension railroad A structure for supporting a trackway of a track following transportation system, particularly, a magnetic suspension railroad and including a support and at least one equipment element having an operational surface and attached to the support. The suppor... | 03/24/1992 |
| 5094800 | Press for compressing elongated radioactive structural elements A press for compressing elongated radioactive structural elements, with the ress having a horizontal press shaft and a removable counterpunch in place of which a transfer shaft can receive a finished pressed object. The press is remotely operable, has a mi... | 03/10/1992 |
| 5056394 | Blade holding device of a blade slide for a scrap cutter In blade holding devices sleeves are arranged concentrically about the blade securing screws, in order to relieve the blade securing screws from lateral shearing force components and vertically acting stripping forces resulting, when the blade slide is mo... | 10/15/1991 |
| 5053654 | Device for operating magnetic levitation systems A device for driving a vehicle by magnetic levitation includes a synchronous long-stator motor, with a long stator winding extending along a track of the vehicle and subdivided into a plurality of discrete stator winding sections (3.11 to 3.19; 3.21 to 3.... | 10/01/1991 |
| 5051696 | Surface testing device with reciprocating sensor A surface testing device comprising a vibratory system for the reciprocating movement of a sensor carrier (3) arranged above the surface to be tested and comprising an exciter arrangement for operating the system at or in the vicinity of its resonance fre... | 09/24/1991 |
| 5044567 | Scrap crushing machine A scrap crushing machine comprises crushing device including a crusher rotor and at least one associated anvil, a housing accommodating the crushing device, the housing having an inlet opening and an outlet opening, a base arranged substantially under the... | 09/03/1991 |
| 5027713 | Track support for magnetic railroads and similar rail-borne transportation systems A track support which comprises steel structures (3) which are connected to reinforced concrete (1) or prestressed concrete (1) by connecting means (4) in a shear-free manner to form a composite support. The functional components, i.e., the lateral guide ... | 07/02/1991 |
| 4981500 | Venturi type cooler for flue gas desulphurization device A Venturi Cooler for flue gas desulphurization devices sprays water through water spray nozzles on pipes positioned perpendicularly to the longitudinal flow direction of the cooler. It is important for the effectiveness of the diffused water that the spee... | 01/01/1991 |
| 4918835 | Apparatus for completing a linear motor stator A method of making a multiphase winding package and placing it into the grooves of a linear stator being mounted, with open grooves facing down, on the underside of a support and carrier plate, includes storing and paying individual ones of a plurality of... | 04/24/1990 |
| 4917314 | Rotor for a hammer mill A rotor for a hammer mill. A plurality of support elements rest against one another in the axial direction and are staggered in a circumferential direction. Hammers are pivotably mounted on hammer shafts that are disposed in ends of the support elements. ... | 04/17/1990 |
| 4867382 | Lifting mechanism for the pressing roller of the feed mechanism of a crusher for scrap A lifting mechanism for the pressing roller of the feed mechanism of a crusher for scrap. The rotor of the crusher, via a lifting mechanism that acts upon a mounting bracket of the rotor mounting, can be removed from a split housing after an upper part of... | 09/19/1989 |
| 4855678 | Apparatus for guiding the sensor holder of a surface testing apparatus An apparatus by which a sensor holder of a surface testing apparatus can be moved along a preselected path of movement over the surface to be examined. The apparatus has a guide rail establishing the path of movement, which can emulate the contour of the ... | 08/08/1989 |
| 4830294 | Cap to cover all sides of the end of a supporting body of a hammer mill rotor A cap to cover all sides of the end of a supporting body of a hammer mill rotor. The cap has two side walls, each end of which is provided with an approximately rectangular opening. In the direction of rotation of the rotor, the cap has a forward transver... | 05/16/1989 |
| 4813620 | Sorting apparatus for the material outlet of a machine for breaking-up scrap A sorting apparatus for the material outlet of a machine for breaking-up scrap. The machine has a horizontally disposed hammer breaker rotor that is disposed in a housing, the bottom of which is trough-shaped. A material inlet that extends to the rotor an... | 03/21/1989 |
| 4772226 | Socket for a round plug having the same contact pattern A socket for a round plug having the same contact pattern. The periphery of the shell of the plug, in the insertion region thereof, is provided with a guide key and several coding keys. The keys can be disposed at various angular positions relative to one... | 09/20/1988 |
| 4730527 | Fuel element bundle cutter having a withdrawal mechanism for cutting dust A fuel element bundle cutter that has horizontal rod bundle feed. A portion f the radioactive dust that is produced when a rod bundle is cut is picked up by scavenging air and is withdrawn with the latter via the chute for the cut-off rod pieces. The botto... | 03/15/1988 |
| 4682498 | Surface testing apparatus The invention relates to a surface testing apparatus in which sensors are driven with a reciprocating movement above the surface being tested. To minimize the forces which are required for the driving of the sensors, a vibratory system is provided for thi... | 07/28/1987 |
| 4528879 | Bundle cutter of decentralized compact construction A cutter for cutting, in stages, irradiated bundles of nuclear fuel rods, pecially from pressurized-water or boiling-water reactors. The cutter includes a feed channel associated with transverse and longitudinal feed devices for the rod bundle. A cutter h... | 07/16/1985 |
| 4419901 | Device for measuring the axial force in a shaft journalled by roller bearings A device for measuring axial force in a shaft journalled or mounted with two roller bearings arranged side by side in a housing, such measuring occurring by means of wire strain gauges or the like. The inner ring of the roller bearing on the shaft side en... | 12/13/1983 |
