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 |
| 7191513 | Device for installation of a gradient coil unit into a magnetic resonance apparatus A device for installation of a gradient coil unit into a magnetic resonance apparatus has at least one support unit and at least one carrier unit. The carrier unit is fashioned to carry the gradient coil unit, and the at least one support unit is supported thereon s... | 03/20/2007 |
| 7189484 | Reduced light scattering in projected images formed from electrographic toners A method of manufacturing transparencies reduces light scattering in a projection transparency formed with an electrostatically deposited color image. The method comprises: providing a transparent support substrate; | 03/13/2007 |
| 7151603 | Overhead transparency clarity simulator A method and apparatus for evaluating the scattering properties of a transparency image comprises projecting radiation through the transparency image to form a transmitted beam of radiation; splitting the transmitted beam of radiation into at least two distinct beam... | 12/19/2006 |
| 7080957 | Pipe puller An apparatus for pulling a first pipe into contact with a stationary second pipe includes a strut having a first end and second end. A force generating apparatus is mounted to the strut, and is configured for pulling the first pipe relative to the second pipe. ... | 07/25/2006 |
| 7056076 | Method of and apparatus for transferring rolls, and roll supply carriage After a roll supply carriage housing rolls in a light-shielded case is coupled to a film manufacturing apparatus, shutters are opened, and a roll retainer shaft and a roll loading shaft are connected to each other. A motor in a roll transferring apparatus is energiz... | 06/06/2006 |
| 7032280 | Single brake spring tool and method A method for removal and replacement of a generally U-shaped drum brake spring from brake drum shoes includes a tool set of two spring retractors each in the form of an L-shaped bracket with a hook designed to engage a leg of the spring and further including alignme... | 04/25/2006 |
| 6969217 | Pipe puller An apparatus for pulling a first pipe into contact with a stationary second pipe includes a frame and a strut pivotally mounted to the frame about a first pivot axis, the strut having a first end and second end. A pivot assembly is pivotally mounted to the frame abo... | 11/29/2005 |
| 6808360 | Apparatus and method for lifting and rotating pipes An apparatus and method for lifting, rotating, and positioning heavy objects using a toggle device attached to a prime mover. The toggle is vertical at rest and can be inserted into the opening in the side of a pipe. The toggle is rendered horizontal inside the pipe... | 10/26/2004 |
| 6520732 | Concentric, insulated tubular conduits and method of assembly Concentric, tubular sections are assembled by first securing annular centralizers and insulation about the external surface of the smaller diameter tube while the tube is horizontally disposed. The larger tube is then vertically aligned and lowered into a... | 02/18/2003 |
| 6425709 | Line up of pipes or pipe components A line up and connection installation comprises an elongated pipe receiving structure, a line up device for lining up double-walled pipes or pipe components and a connection station for connecting the lined up pipes or pipe components. The line up device ... | 07/30/2002 |
| 6318952 | Pipe laying tool A tool for attachment to a working end of an excavator arm for use in supporting a pipe section while lowering it into a trench. The tool has a proximal end from which extends an elongated arm, held in an approximately horizontal position when in use. A v... | 11/20/2001 |
| 6174125 | Method and apparatus for racking and unracking pipe The present invention is directed towards a method for racking or unracking pipe to or from a rack and a device to facilitate the process. The method provides a controllable procedure for inserting or withdrawing the pipe that is less dangerous than prior... | 01/16/2001 |
| 6142487 | Centering and holding apparatus and method using inclined surface An apparatus for centering and holding a substrate including: (a) a substrate holding assembly defining a centerline; and (b) a substrate centering assembly including an alignment member, wherein the alignment member is disposed concentric with the center... | 11/07/2000 |
| 5466114 | System for supporting hollow cylinders Apparatus and processes for supporting hollow cylinders including a cantilevered arm having a supported end and an unsupported free end and a plurality of rotatable wheels arranged concentrically around the outer periphery of and supported by the arm, the... | 11/14/1995 |
| 5388951 | Pipe laying and handling apparatus and method An apparatus for lifting a section of precast concrete pipe and for supporting the pipe at an inclined angle to facilitate the bringing together of alignment hardware on the supported section of pipe and on a previously laid section of pipe. The apparatus... | 02/14/1995 |
| 5069095 | Pipe centering apparatus A pipe centering apparatus is of such a structure that pipes of certain kinds such as aluminum short pipes transported by a conveyor are centered with their longitudinal centers aligned with each other, before the pipes are subjected to chamfering or othe... | 12/03/1991 |
| 4753563 | Welded tube seam positioner and method Apparatus for positioning the seam of a welded tube comprises a plunger rod of a diameter less than the tube having a first longitudinal axis supported and journaled upon its first axis for reciprocal and rotational movements. A radial knife edge projects... | 06/28/1988 |
| 4604024 | Washer pick up and placement tool A tool for picking up and releasing washers which uses a retractable rod member that is insertable into the washer and directs jets of pressurized air alternately onto the bottom surface of the washer to cause the latter to be picked up and onto the top s... | 08/05/1986 |
| 4584050 | Looped-article transfer apparatus Apparatus for transferring a looped article to a cylindrical structure, comprising a collapsible ring structure having a center axis aligned with the center axis of the cylindrical structure and a centering plane parallel with the central plane of the cyl... | 04/22/1986 |
| 4515522 | Pipelaying appliance A pipelaying appliance (1) is removably connected to the bucket (2) of an excavator with the aid of a gripping means (3) mounted on the bucket. The appliance includes two gripping arms (7, 8) of which one thrusts into the pipe (9) and the other is situate... | 05/07/1985 |
| 4310281 | Pipe nesting and denesting apparatus A pipe nesting and denesting apparatus is efficiency in transportation of many pipes different in diameters, and said apparatus can operate in a short time nesting work without injuring pipes. Inside the rails of said apparatus, a receiving stand for rece... | 01/12/1982 |
| 4299524 | Devices for automatically supplying tubular workpieces In a device for picking up tubular workpieces sequentially from a stack, and supplying the same to a subsequent stage, at least one truck is provided so as to be reciprocable between a loading position and an unloading position. In the loading position, t... | 11/10/1981 |
| 4298309 | Pipe carrying carts Carts or vehicles particularly designed and constructed for supporting the opposite ends of elongated members whereby one elongated member is suspended between a pair of the carts and a succeeding elongated member is suspended between a succeeding pair of... | 11/03/1981 |
| 4253792 | Pipe nesting apparatus and method of nesting and unnesting pipes with the apparatus An apparatus for and a method of nesting pipes of varying diameters or unnesting the resulting assembly into individual pipes for efficient transport of the pipes. The apparatus comprises a support arm for supporting a pipe with the arm extending therethr... | 03/03/1981 |
| 4209269 | Appliance for the assembly of large-diameter pipes by jointing The appliance comprises on a carriage 3 running inside the pipes 1,2, two struts 8 manipulated by two jacks 14 in order to make two shoes 13 and an arch 21 pivot against the inner face of the pipe 1 already laid, as well as a jack 26 for jointing the pipe... | 06/24/1980 |
| 4143774 | Truck for internally supporting and transporting plastic pipe from a pipe making machine A truck on rails includes a vertically adjustable horizontally extending main beam supported at one end and having a plurality of auxiliary beams semi-circularly arranged thereabout parallel thereto and each connected thereto by a plurality of parallel le... | 03/13/1979 |
| 4142644 | Telescoping vehicles Telescoping vehicles particularly designed and constructed for supporting the opposite ends of elongated members whereby one elongated member is suspended between a pair of the vehicles and a succeeding elongated member is suspended between a succeeding p... | 03/06/1979 |
| 4119210 | Pipe laying and transporting vehicle A vehicle for easy and convenient transporting and laying of a large diameter pipe or pipe section, in particular in a tunnel. This pipe laying and transporting vehicle comprises an elongated frame defining opposite end portions and a central portion, roa... | 10/10/1978 |
| 4087084 | Apparatus for changing blast furnace tuyeres An apparatus for removing and replacing blast furnace tuyeres. The apparatus is indexed with the centerline of the tuyere and downcomer from the bustle pipe to permit removal and replacement of the blowpipe-elbow, tuyere and tuyere cooler.... | 05/02/1978 |
| 4081084 | Casing handling system A casing handling system is disclosed which includes a pair of spaced davits provided with a gear type track upon which a traveling crane assembly is movably mounted. The crane assembly includes a trolley movably disposed on each davit, a motor driven spr... | 03/28/1978 |
| 4068764 | Rear stepper assembly for a pipe handling vehicle A pipe transporting vehicle steps into a pipe, passes through the pipe, and exits at the opposite end to bring into the inside of the pipe a pipe carriage. The vehicle has a stepper assembly of a stanchion, a walking beam pivotally connected to the stanch... | 01/17/1978 |
| 4029217 | Pipe-handling crampon Pipe-gripping heads are movable along a pipe-spanning frame to grip opposite ends of a pipe. The length of the pipe-spanning frame extends transversely of the length of a boom which is carried and movable elevationally by a lift truck. The pipe-spanning f... | 06/14/1977 |
| 3996778 | Loader and unloader for plate roll machine A loader and unloader for a plate roll machine has an extensible boom extending generally horizontally over the plate rolls of the machine from a stationary support frame to which the boom is pivoted at one end for vertical movement over the rolls. The bo... | 12/14/1976 |
| 3995747 | Apparatus for handling large fabric rolls for slitting A method and apparatus for handling a large fabric roll and an interengaging spindle therefor before and after a slitting operation in which the roll and spindle are supported in initial handling positions in longitudinal spaced and aligned relation, the ... | 12/07/1976 |
| 3958704 | Pipe laying attachment A pipe carrying and laying attachment for heavy construction equipment such as backhoes, excavation shovels and the like comprises a support frame which includes a plurality of radially extending arms projecting therefrom, the terminal ends of the arms ca... | 05/25/1976 |
| 3938671 | Method and apparatus for handling large fabric rolls for slitting A method and apparatus for handling a large fabric roll and an interengaging spindle therefor before and after a slitting operation in which the roll and spindle are supported in initial handling positions in longitudinal spaced and aligned relation, the ... | 02/17/1976 |