Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
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| Number | Title | Issue Date |
| 8096588 | Hose coupling A hose coupling utilizing a main hollow body and an expandable inner sleeve and an intermediate end of a hose which is securely held in place upon radially outward expansion of the sleeve. ... | 01/17/2012 |
| 7357188 | Mono-diameter wellbore casing A mono-diameter wellbore casing is formed by radially expanding a first tubular liner off of a mandrel into contact with a second tubular liner. The first and second tubular liners are positioned within the wellbore in an overlapping relationship. The overlapping po... | 04/15/2008 |
| 7350831 | End structure of water pipe A water pipe includes a pipe main body made of a synthetic resin and an annular metal inner piece inserted into an end of the pipe main body. The inner piece has its diameter increased from the inside of the pipe main body so as to increase the diameter of at least ... | 04/01/2008 |
| 7249787 | Reinforcement for a hose coupling A hose coupling using at least one reinforcing ring to reinforce a hose coupling during a crimping process, the hose coupling having an inner sleeve, an outer sleeve coaxial with the inner sleeve, and a hose coaxially interposed therebetween. During the crimping pro... | 07/31/2007 |
| 7204524 | Flexible pipe/end fitting assembly and method An end fitting, a pipe assembly and a method of assembling a pipe assembly according to which an end fitting is provided with a bore and at least one raised portion is provided on the surface of the housing of the end fitting defining the bore. When an end portion o... | 04/17/2007 |
| 7159475 | Apparatus and method of sampling semivolatile compounds An apparatus and method for sampling semivolatile compounds is disclosed. A collection bag is placed around an air conditioning vent on an aircraft. An opening in the collection bag receives air from the air conditioning vent into the bag. An exit in the collection ... | 01/09/2007 |
| 7134696 | Compression cap A one-piece unitary compression cap for securing a pipe or tube on a fitting. The cap includes at least one inward deformation that provides an interference fit between the cap and the pipe or tube. Consequently, the cap cannot fall off the pipe or tube before being... | 11/14/2006 |
| 7121591 | Flexible metal hose assembly and method of making the same A hose assembly including an elongated flexible metal hose attached to a hose fitting having a fitting body defining a passageway for conveying material. The fitting body has a mating portion for connecting the hose assembly to a corresponding fitting which delivers... | 10/17/2006 |
| 7108292 | Hose coupler An apparatus for coupling ends of a first hose and a second hose. The apparatus comprises a male coupler configured to attach to the first hose, and a female coupler having an inner cavity and being configured to attach to the second hose in the inner cavity by way ... | 09/19/2006 |
| 7063357 | Flexible pipe coupling A flexible pipe coupling having first and second member rotatable relative to one another. The first member defines national pipe taper, or NPT, threads and the second member includes an internal swag member for forming a swagged connection with a flexible pipe. The... | 06/20/2006 |
| 7025384 | Apparatus and method for securing a tubular liner in a composite pipe A device for mechanically securing a tubular liner in a pipe having a tubular member and connectors on each end. The connector has a bore with an internal seat that may have grooves and be tapered depending upon the application. The liner extends through the tubular... | 04/11/2006 |
| 7021673 | Hose with corrugated metal tube A hose having a corrugated metal tube as the innermost layer and an outer layer including an inner elastic layer, a reinforced layer and an outer elastic layer. A socket fitting is swaged onto the hose body at three axially spaced points. The corrugated metal tube i... | 04/04/2006 |
| 6827375 | End fitting tubular members and method of applying same An end fitting for tubular member and a method of applying an end fitting to a tubular member, according to which an end portion of the tubular member is placed in an annular space defined between an outer ferrule and a tubular insert having a tapered inner wall and... | 12/07/2004 |
| 6779269 | Self-compensating hose coupling A connection for a tube is formed by placing a coiled spring around an end of a tube and inserting a barbed tubular portion from a connection into the tube. The connection forces the tube to expand applying pressure against the coil spring and forcing it to expand a... | 08/24/2004 |
| 6536808 | Soft tube coupling with expanding internal sleeve A joint of a soft tube comprises a tube joint, an inner sleeve, and an outer sleeve. The inner sleeve is inserted into the soft tube and then the soft tube is inserted into the outer sleeve; then the connecting end of the tube joint is inserted into the s... | 03/25/2003 |
| 6481758 | Connection device between a tube and a flexible pipe and method for making same A system for connecting a tube (10) to a flexible hose (14) having an endpiece (12). One of the two parts constituted by the tube and the endpiece is suitable for fitting in the other of said two parts in a coupling situation, in which first and second lo... | 11/19/2002 |
| 6471147 | Structure water sprayer head assembly An improved structure water sprayer head assembly comprised of a sprayer head having a sleeve with an internal threaded section,formed inside its bottom end, a water sealing ring inserted in the sprayer head sleeve, and a connector having external threads... | 10/29/2002 |
| 6308993 | Two piece male hose coupling A composite male hose coupler comprising a metallic tail piece; an externally threaded male fitting; and means for affixing the tail piece to the male fitting; and a method of manufacture thereof, are disclosed. The metallic tail piece is formed of anneal... | 10/30/2001 |
| 6234543 | Device and method for coupling a rigid pipe to a flexible hose A device and method for coupling a rigid pipe to a flexible hose. The device for coupling a rigid pipe to a flexible hose is designed for use in low pressure applications whereby fluid communication between the rigid pipe and the flexible hose is prevente... | 05/22/2001 |
| 6217082 | Swivel fitting A swivel fitting includes a first annular member and a second annular member. The first annular member has a second end which is threaded and a first end which receives the first end of the second annular member. The second annular member has a second end... | 04/17/2001 |
| 6131265 | Method of making a plastic pipe adaptor A plastic pipe adaptor (10) includes a length of pipe (12) having a plastic pipe wall (14) with a substantially rigid pipe stiffener (32) disposed inside the pipe and a substantially rigid collar (34) disposed about the pipe exteriorly of the pipe wall (1... | 10/17/2000 |
| 6039810 | High temperature vapor coating container A high temperature vapor coating container, including a hollow interior, resists distortion and cracking at a vapor coating temperature of at least about 1700° F. as a result of making the container of a nonmetallic material having a coefficient of therm... | 03/21/2000 |
| 5984377 | Bondable plastic piping adapter joint A plastic pipe joint between two dissimilar plastics, one being a non-glueable olefin or rubber and the other a glueable or solvent-weldable plastic. The joint consists of a glueable, plastic ferrule compression fitted over the end of an olefinic or other... | 11/16/1999 |
| 5967568 | Plastic pipe adaptor for a mechanical joint A plastic pipe adaptor (10) includes a length of pipe (12) having a plastic pipe wall (14) with a substantially rigid pipe stiffener (32) disposed inside the pipe and a substantially rigid collar (34) disposed about the pipe exteriorly of the pipe wall (1... | 10/19/1999 |
| 5794982 | Mechanical pipe joint with liners Methods for installing liners in metal pipes incorporating the embodiments of this invention are disclosed. Liner (30), pulled through the pipe, is cut back to the correct position in socket (22) and pin (36). Socket clamp (32) or pin clamp (42) is placed... | 08/18/1998 |
| 5775740 | Structure and process for jointing small-diameter thin metal tube and pressure rubber hose A joint structure for jointing a small-diameter thin metal tube and a pressure rubber hose, comprising: a joint portion having a joint end portion of a metal tube, which is given a double wall by fitting a short inner tube therein, and having a plurality ... | 07/07/1998 |
| 5671953 | Pipe end fittings An end fitting, particularly a pipe towing head, has an expandable element (44; 144) that is surrounded by a skirt (18) of a tubular body (14), so that a pipe end portion can be gripped between them. The element may have pipe gripping ribs which get less ... | 09/30/1997 |
| 5590914 | Field assembled gas riser A field assembled gas riser includes an adapter having plural inner grooves that receive the outer surface of a plastic gas line as it is plastically deformed by axial insertion of a stiffener into the gas line. The gas line is terminated at a desired loc... | 01/07/1997 |
| 5582435 | Resin pipe provided with retainer fitting A resin pipe provided with a retainer fitting at an end thereof having an open end portion. The open end portion has a small outer diameter portion adjacent the open end which is provided with a seal fixed onto an outer circumferential surface thereof, an... | 12/10/1996 |
| 5570496 | Hose coupling insertion method The present invention teaches a simple and convenient hose end expansion device which slides within the hose end and is then quickly expanded by means of mechanical or hydraulic pressure, thereby stretching the hose end to a larger diameter. The device is... | 11/05/1996 |
| 5486023 | Hose construction, coupling therefor and methods of making the same A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner... | 01/23/1996 |
| 5476291 | Hose coupling A coupling assembly for hoses fabricated of plastic and comprising one-piece male and multi-piece snap together female coupling section. The male section includes an externally threaded fitting and an integral hub adapted to fit over the end of a hose sec... | 12/19/1995 |
| 5430929 | Hose construction, coupling therefor and methods of making the same A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the coupling having an insert disposed in the one end of the tubular... | 07/11/1995 |
| 5413147 | Flexible hose and fitting assembly A fluid conveying hose, especially a refrigerant conveying hose, that exhibits improved resistance to permeation of the refrigerant while still affording desirable flexibility, and a fitting for such hose and methods of making the hose and the union betwe... | 05/09/1995 |
| 5393104 | Sanitary hose coupler The present invention is directed to a coupling for use with sanitary hose, including a hollow female coupler piece and a hollow male coupler piece, wherein the male coupler piece is threadedly connected into the female coupler piece, and wherein a first ... | 02/28/1995 |
| 5380050 | Hose construction, coupling therefore and methods of making the same A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner... | 01/10/1995 |
| 5356182 | Hose construction, coupling therefor and methods of making the same A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the coupling having an insert disposed in the one end of the tubular... | 10/18/1994 |
| 5326137 | Gas riser apparatus and method An improved gas riser comprises a pipe nipple, casing, adaptor sleeve, tube, and stiffener. The adaptor sleeve features an internal stop which accurately positions an end of the plastic tube before the tube is plastically deformed into grooves in an inter... | 07/05/1994 |
| 5297822 | Hose construction and coupling therefor A hose construction, coupling therefor and methods of making the same are provided, the hose construction comprising a tubular hose and a coupling secured to one end of the tubular hose, the inner peripheral surface of the tubular hose comprising an inner... | 03/29/1994 |
| 5295718 | End terminating means for plastic and rubber conduit Connectable connector fittings for positioning on the terminal ends of flexible conduits include a first member positioned on the exterior surface of the terminal end of a conduit, a second member is positioned on the interior surface of the terminal end ... | 03/22/1994 |
