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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 |
| 8025464 | Severing device with controlled triggering Device for severing parts of a concrete work, comprising a container in which an over-pressure is generated by a gas produced by a chemical reaction between a chemical compound and an aqueous solution after a predetermined delay. The container includes the aqueous s... | 09/27/2011 |
| 7334637 | Assembly and method for determining thermal properties of a formation and forming a liner A method comprises heating a formation adjacent a selected depth level within a wellbore extending into the formation, forming a temporary liner in the wellbore, measuring a first temperature of the formation at the selected depth level at a first time after heating... | 02/26/2008 |
| 7302779 | Method and apparatus for masonry chimney flue repair An apparatus for repairing cracks, crevices, joints, and other discontinuities in a chimney flue liner, comprises a flexible, resilient applicator having a liquid impervious rubberized coating. An electrical vibrator is installed within the applicator, for tamping t... | 12/04/2007 |
| 6623212 | Cut-off device for concrete structures A cut-off element for concrete structures is formed by a plastic material flask having a flat-closed base and a tapering side envelope forming an acute angle with the base, said angle being between 25° and 60° for generating expansion forces so as to pr... | 09/23/2003 |
| 6309142 | Structure for preventing frost heave damage to an underground structure and a method of installing the same A durable frost heave damage preventive structure of underground structures applicable easily and at low cost to many different kinds of underground structures. The frost heave damage preventive structure includes a plate-like reaction member (7) provided... | 10/30/2001 |
| 5494378 | Piling apparatus A tubular piling pipe having a plurality of cantilevered perforations formed in the exterior wall of the pipe defined by individual bendable necks and carrying enlarged-in-cross section tabs at their free extremities to provide foundational support. The b... | 02/27/1996 |
| 5181797 | In-situ soil stabilization method and apparatus A method and apparatus for in-situ solidifying and stabilizing a mass of unstable foundation soil utilizes a plasma arc torch. The torch is inserted into a drilled and cased hole to a selected depth in a subterranean unstable soil layer and the torch is e... | 01/26/1993 |
| 5178485 | Heat exchanging pipe system for uniformly heating road surfaces and the like For uniformly heating a snow collecting surface on an outdoor structure, e.g., a roadway, a heat exchanging pipe system is embedded in the structure near the surface. The pipe system comprises two sets of parallel, and preferably, interdigitated sets of p... | 01/12/1993 |
| 5062736 | Snow melting method utilizing heat retaining function of underground aquifer without sprinkling water Snow lying on a road or building structure is melted and removed without sprinkling water on the snow by pumping up from a well and circulating underground water, which is contained in an underground aquifer and warmed by geothermy of the aquifer utilizin... | 11/05/1991 |
| 5024553 | Non-water-sprinkling type snow melting method and system An underground water warmed by the geothermy in an aquifer is pumped up by a pumping means disposed in a pump-up well and the pumped up underground water is introduced into a heat exchanger located in the pump-up well near the opening thereof. The heat ex... | 06/18/1991 |
| 4838737 | Pier for supporting a load such as a foundation wall A pier adapted to support a load such as a foundation wall comprises a concrete pillar, a support tube oriented substantially perpendicular to and on top of the pier, a pair of threaded rods embedded in the pillar and extending through the support tube, a... | 06/13/1989 |
| 4818148 | Frost damage proofed pile A covering is applied onto the outer surface of a pile including a steel pipe or the like to surround a predetermined length thereof so as to reduce a frost heaving force or negative friction acting on the pile in a frigid area. The covering is closely ad... | 04/04/1989 |
| 4784528 | Method and apparatus for piled foundation improvement with freezing using down-hole refrigeration units The invention relates to a method and apparatus for increasing the capacity of a tubular driven pile. A refrigeration unit is lowered into the pile and grouted in place above a cement plug. The area between the refrigeration unit and the plug is filled wi... | 11/15/1988 |
| 4594859 | Ice skating rink An ice rink for speed competition skating has a rink floor which is divided into longitudinal spans or sections by recesses extending transversely of the freezing zone of the rink. On each span or section, there are disposed side-by-side a large number of... | 06/17/1986 |
| 4585681 | Frost damage proofed pile A frost damage proofed pile for installment in a frigid district where the pile is subjected to a freezing and frost heaving force, such as permanently or seasonally frozen soil terrain. A tubular sheath member is fitted over the pile surface and has a le... | 04/29/1986 |
| 4571124 | Method of forming cast-in-place concrete pile There is disclosed a method of forming a cast-in-place concrete pile. A demolition-facilitating substance is mounted in an open top confined space above a predetermined level. The demolition-facilitating substance is expansible upon lapse of a predetermin... | 02/18/1986 |
| 4550786 | Method of driving steel profiles into a rock substratum A method for the driving of steel profiles into a rock substratum is described, in which, before the driving, holes are drilled into the rock substratum, in which holes explosive charges are detonated. The explosive charge is so constructed and dimensione... | 11/05/1985 |
| 4467619 | Method of using frozen salt water to maintain a low cost, low energy consuming indoor or outdoor ice rink A method for creating an ice-skating rink comprising an excavation in the ground lined with polyethylene and filled with salt water; a pump and sprayer used in the winter to build up a layer of salt ice on top of the salt water and to eventually fill the ... | 08/28/1984 |
| 4349010 | Frost removal system A method for removing frost from a selected area of the ground in accordance with one aspect of the invention involves positioning a plurality of hollow pipes over the area to be thawed, each pipe having an exhaust end and an inlet end. These pipes and th... | 09/14/1982 |
| 4121427 | Method and apparatus for setting pilings in frozen ground The present invention relates to a method for setting pilings, and to apparatus for use in conjunction therewith. More particularly, the invention relates to a new and improved method for temporarily setting and holding a piling in place for subsequent fi... | 10/24/1978 |
| 4067198 | Method and structural support for increasing load carrying capacity in permafrost A modular pile unit and method of using same in which a plurality of small thermal piles are rigidly interconnected in a symmetrical array by interconnecting heat dissipation fins at the upper ends of the piles. A sleeve in one embodiment can be added to ... | 01/10/1978 |
| 4019331 | Formation of load-bearing foundations by laser-beam irradiation of the soil The method of converting clayey or silty soil into stable and solid underground columns or piles suitable for carrying a building structure, comprises first the drilling of bores of a diameter considerably smaller than the external diameter of the column ... | 04/26/1977 |
