Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7332120 | Method for molding running board with step plate A process for making a molded running board assembly for installation on a vehicle includes blow molding the body of the running board and incorporating one or more additional components such as a step plate or a trim strip. The process involves placing the insert i... | 02/19/2008 |
| 7325383 | Bag making and filling method using double film A tubular film is flattened to form a continuous two-ply film in which the two side edges are continuously connected in the longitudinal direction. This two-ply film is curved into a tubular form, the two side edges are overlapped, and a vertical seal portion is for... | 02/05/2008 |
| 7297220 | Method and device for the production of curved thread-reinforced tubular structures A method for the production of curved thread-reinforced tubular structures composed of rubber layers and of strengthening layers and an accompanying device. In one aspect, the method includes the application of a first rubber layer to the circumference of mandrels d... | 11/20/2007 |
| 7241356 | Composite structure with one or several polyurethane layers, method for their manufacture and use thereof A composite structure is disclosed. The structure includes one or several polyurethane layers, a support layer, in particular a textile support layer, as well as an optional adhesive layer placed between these layers. The composite structure is characterized in that... | 07/10/2007 |
| 7138025 | Method for manufacturing a sealable bag having an integrated tray for use in vacuum packaging A method for manufacturing a bag for use in vacuum packaging comprises forming a first panel including a tray for retaining contents within the bag and a second panel. Optionally, the tray can include a plurality of ridges or protuberances for suspending contents su... | 11/21/2006 |
| 7132073 | Process for producing multilayered product The present invention is to provide a method of producing multilayer laminates comprising a polyamide and a fluorine-containing ethylenic polymer laminated together and being excellent in interlayer adhesion strength by multilayer coextrusion in an easy and simple m... | 11/07/2006 |
| 7128862 | Biaxially oriented multilayer polymer tube for medical devices A tubular extruded member particularly suitable for use in medical devices such as intravascular catheters and guide wires, wherein the extruded tubular member includes multiple layers having biaxial helical orientation in different directions. A counter-rotation ex... | 10/31/2006 |
| 7125466 | Method of preparing a molded cross vehicle beam A method of preparing a molded cross vehicle beam which includes a hollow blow molded thermoplastic rigid member that is integrally attached to a rigid support, e.g., a U-shaped metal plate, and at least one attachment element, is described. The rigid support (12... | 10/24/2006 |
| 7087130 | Method for manufacturing a sealable bag having an integrated zipper for use in vacuum packaging A method for manufacturing a bag for use in vacuum packaging comprises forming a first panel having a receiving feature and a second panel having an insertion feature, such that the insertion feature can be removably connected with the receiving feature, thereby for... | 08/08/2006 |
| 6964798 | Multi-layered polymer based thin film structure for medical grade products A multiple layer structure comprising a first and a second skin layer, each skin layer composed of a polypropylene containing polymer, and a radio frequency (“RF”) susceptible layer adhered to and between the first and second skin layers. The RF layer has a firs... | 11/15/2005 |
| 6916167 | Method and apparatus for extrusion blow molding of shapes with an even wall thickness and varying radii A method of extrusion blow molding is disclosed; the method allows the finished part to have consistent and even wall thickness within a broad range of local mold radii. This result is achieved without resorting to injection blow molding or other common techniques o... | 07/12/2005 |
| 6915820 | Automotive fluid tubing, especially for fuel and hydraulic fluid An automotive fluid tubing, especially for gasoline, diesel fuel or hydraulic fluid, and composed of metal can be provided with a tube coating of aluminum and then a polyamide 12 layer which is extruded onto the aluminum coating. The polyamide extruded layer greatly... | 07/12/2005 |
| 6849227 | Method of manufacturing furniture article A method of manufacturing a furniture component includes steps of molding a panel component of a flexible compliant plastic, the panel component having a continuous perimeter flange and further having flexible strips extending between portions of the perimeter flang... | 02/01/2005 |
| 6641694 | Angioplasty balloon with thin-walled taper and method of making the same An angioplasty balloon and method of manufacture are provided. The balloon has a working length and a taper each having a substantially equivalent thickness. This allows the balloon to be steered easily through vasculature to the site of a stenosis prior ... | 11/04/2003 |
| 6579401 | Method for forming a polymeric container system for pressurized fluids An apparatus for forming a polymeric pressure vessel includes two, coaxial plastic extruders separated by a hole-forming laser and connected to a variable die, a vacuum/blow molding apparatus, a fusing device, a braiding mechanism, and an overcoat applica... | 06/17/2003 |
| 6521305 | Cushioning device with improved flexible barrier membrane Products in the form of cushioning devices made from flexible membranes employing at least one layer including thermoplastic urethane and at least one layer of a copolymer of ethylene and vinyl alcohol are inflatable to a relatively high pressure. The cus... | 02/18/2003 |
| 6266943 | Separable laminated container and associated technology A separable laminated container (A) of the present invention comprises an outer layer (1) made of synthetic resin and having an air suction hole (10) and an inner layer (2) made of synthetic resin and separably laminated on the inside of the outer layer, ... | 07/31/2001 |
| 6245183 | Process for manufacturing tubing having a metal layer with an external surface overlaying by multiple plastic layers bonded thereto A multi-layer tube comprises a metal tube having an outer surface and a zinc layer bonded to the metal tube outer surface, wherein the zinc layer is selected from the group consisting of zinc plating, zinc nickel alloys, zinc cobalt alloys, zinc aluminum ... | 06/12/2001 |
| 6171423 | Method for fabricating composite pressure vessels A process for fabricating a composite vessel includes the steps of: A) preforming (e.g., by winding fiber and at least one thermoplastic substance onto a thermoplastic liner) a thermoplastic shell which has at least one opening for access to the interior;... | 01/09/2001 |
| 5976298 | Method of producing multilayer thermoplastic pipe For the production of a multilayer pipe of thermoplastic material, in particular polyolefine, an extrusion equipment is provided, extruding at least one tube in a direction of production. A calibrating arrangement for forming a pipe of externally profiled... | 11/02/1999 |
| 5972143 | Angiographic catheter with unitary body and tip sections and method for making same from a continuous feedstock A method of manufacturing angiographic catheters comprises providing a length of elastomeric tube of a predetermined outer diameter and braiding multiple strands of wire wrapping about its exterior. A plastic bonding agent is extruded onto the entire leng... | 10/26/1999 |
| 5738742 | Method for making angiographic catheters A method of manufacturing angiographic catheters comprises providing a length of elastomeric tube of a predetermined outer diameter and braiding multiple strands of wire wrapping about its exterior. A bonding agent is applied to the wire wrapping in circu... | 04/14/1998 |
| 5641445 | Apparatus and method for extruding multi-layered fuel tubing An extrusion die for extruding at least two layers of polymers at substantially different temperatures wherein a first die has portions connected to a second die and portions spaced from the second die. Insulation is provided between the first and second ... | 06/24/1997 |
| 5637366 | Polyester-containing biaxially-oriented polypropylene films and method of making the same Polyester-containing multilayer biaxially-oriented polypropylene films are provided. According to the invention, a two- or three-layer polyester-containing cap layer is bonded to a monoaxially oriented polypropylene core, followed by orientation of the re... | 06/10/1997 |
| 5595623 | Method for making a barrier film with improved extensibility for cheese packaging A method for making a film which is useful in the packaging of newly formed blocks of cheese and demonstrates flexibility, extensibility, and improved sealing strength comprises extruding an ethylene vinyl acetate/very low density polyethylene sealing lay... | 01/21/1997 |
| 5591390 | Method of manufacturing packaging and wrapping film A method of manufacturing a multilayer heat-shrinkable, puncture-resistant biaxially oriented film is disclosed. The method includes a double bubble orientation step and extruding a primary tube that includes at least one substantially linear ethylene hom... | 01/07/1997 |
| 5580405 | Extrusion of laminate pipes An extrusion assembly for extrusion of a triple walled (plastic/metal/plastic) pipe includes a first extrusion apparatus, for extruding an inner plastics layer of the pipe, having an extruder with a coaxial outer extrusion sleeve and inner extrusion die, ... | 12/03/1996 |
| 5470518 | Process and apparatus for controlling the gap width of a reclosable closure profile for a thermoplastic container A process and apparatus for forming a reclosable closure profile, wherein the configuration of the closure profile is mechanically altered for controlling the width of the gap in a groove member by passing the closure profile, while still hot enough to be... | 11/28/1995 |
| 5468440 | Process of making oriented film or structure Applications of isotactic polypropylene resin compositions produced from metallocene catalyst wherein the resins yield articles with comparable shear modulus and heat distortion temperature values to those of conventional polypropylene, but in which the f... | 11/21/1995 |
| 5437827 | Making a heat recoverable article A polymeric tube is extruded; one or more strands are wrapped around the tube, the strands having a polymeric core and a high strength helical fiber cover; a second tube extruded thereon; at least one of the tubes is cross linked; subsequently the composi... | 08/01/1995 |
| 5435865 | Process for manufacturing an automotive trim piece having a polymeric skin mounted to a substrate A process for manufacture of an automotive trim piece having a polymeric skin fastened to substrate. The polymer, for example, polyvinyl chloride has the property that upon cooling to a relatively rigid state the polymer shrinks. The process includes a st... | 07/25/1995 |
| 5417997 | Process of making reinforced porous pipe A method and apparatus for continuously manufacturing a reinforced, flexible, porous, tubular pipe. The reinforced, flexible porous tubular pipe comprises an extruded porous inner layer, spiral wound open mesh webbing surrounding the porous inner layer, a... | 05/23/1995 |
| 5409559 | Making a laminated tubular body A method and apparatus for continuously forming a laminated tubular body, disclosing the joining of opposite longitudinal edges of a strip of sheet material (5) to form a tubular body, extruding a hollow plastics lining member (1) within the body, expandi... | 04/25/1995 |
| 5380385 | Process for the manufacture of a flexible polymeric structure by extrusion and the flexible structure manufactured therefrom Process for the manufacture of a flexible polymeric structure comprising a sealant barrier, consisting of a multilayer film a few microns thick, oriented longitudinally, in a continuous manner, whereby all of the components of said flexible structure are ... | 01/10/1995 |
| 5373870 | Method for making a flexible tubular structure by continuous extrusion, having a single layer barrier film a few microns thick, and the extruded flexible tubular structure manufactured therefrom Process for the manufacture of a flexible tubular structure comprising a sealant barrier, consisting of a monolayer film a few microns thick, oriented longitudinally, in a continuous manner, whereby all of the components of said flexible structure are int... | 12/20/1994 |
| 5358580 | Process for manufacturing hose having reinforcement incorporated therein and apparatus therefor A hose manufacturing process and a method therefor capable of leading to an increase in production efficiency and productivity and improving configurational and dimensional stability of the hose. A die is provided for co-extruding a flexible synthetic res... | 10/25/1994 |
| 5350471 | Production of cross-laminated film from tube A cross-oriented multi-layer laminated plastic film is produced by first providing a flattened tubular plastic film having a outer plastic film layer with a first melting temperature and an inner plastic film layer with a second melting temperature lower ... | 09/27/1994 |
| 5320788 | Process for producing a plastic casing reinforced against tensile force A process for forming a plastic casing having reinforcing elements to resist tensile forces by simultaneously extruding the plastic casing and the reinforcing elements which are in a molten form and then twisting the extruded casing and elements to impart... | 06/14/1994 |
| 5310438 | Process for making low cost drip irrigation lines using plastic extrusion and film blowing techniques A low cost drip irrigation line is made by molding a drip emitter having an elongated labyrinthine channel formed in the depth of the emitter body. A plastic film is extruded and passed through a film die with an air injection tube at one end forming a pl... | 05/10/1994 |
| 5298713 | Process for welding thermoplastic materials with projection of hot gas The process of welding at least two elements of thermoplastic materials includes the step of heating, for projection on the welding area, a flow of projection gas comprising at least 20% helium, the balance consisting of a neutral gas or a mixture of neut... | 03/29/1994 |
