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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 |
| 7875173 | Ozone generator retrofit apparatus for jetted tubs, spas, and other water circulation facilities Retrofit apparatus for retrofitting an ozone generator to a spa, hot tub, recreational fountain, or similar facility, and a method for treating biofilms therein, are disclosed. Fittings inserted into water and air circulating lines associated with such water holding... | 01/25/2011 |
| 7395571 | Cleaning of a submerged surface A pressure type pool cleaner includes a head propelled forwardly over a surface. Different portions of water pumped to the head inducts debris into a cleaner system, and is ejected via a thrust nozzle onto a deflector and thence along a thrust line to thrust the hea... | 07/08/2008 |
| 7363878 | Waste extraction system A waste extraction system (10) for an aquaculture tank (12) includes a first conduit (18) having a first end (20) and a distant second end, with a second conduit (22) disposed within the conduit (18). The second conduit (... | 04/29/2008 |
| 7350821 | Method and system for purging a dispensed fluid within a fluid dispensing system including a filter-free connector apparatus A connector apparatus is provided which is configured to replace a separation module in a system for dispensing a fluid. When it is desired to purge the system of a dispensed fluid, the connector apparatus, having the same configuration of an inlet and an outlet as ... | 04/01/2008 |
| 7347935 | Combination inline dispenser and non-fitted cartridge An inline dispenser and purification device combination comprising an inline dispenser having fluid ports directly mateable to the ports of a fitted cartridge and a universal cartridge having no ports for connection with the fluid ports of the inline dispenser and a... | 03/25/2008 |
| 7347945 | Method and an installation for separating out multiphase effluents The invention relates to a method and to an installation for separating out an effluent made up of a multi-phase fluid mixture. According to the invention, said installation includes gravity separator means whose geometrical separation characteristics can be adjuste... | 03/25/2008 |
| 7347934 | Biocide A two part biocide composition containing metal ions and bromine donor for killing microorganisms in a body of water and a method of killing microorganisms in a body of water by placing both metal ions and a bromine in the body of water to allow use of lower concent... | 03/25/2008 |
| 7341662 | Distribution and collection headers for a filter bed A filtration vessel has an inlet for inflow into the filtration vessel of liquid media to be filtered, a body of filter media in the filtration vessel, and a drain to receive filtered liquid media for take off from the filtration vessel. The inlet is configured to i... | 03/11/2008 |
| 7338607 | Filter canister, system containing filter canister, and their use A filter canister including a frame; a sheet of flexible fabric material that allows the flow of water therethrough, the sheet of flexible fabric material being connected to the frame in a manner defining an internal zone whereby substantially all fluid entering the... | 03/04/2008 |
| 7335299 | Dual filter A dual filter apparatus and a process of making a dual filter apparatus that minimizes disruption to the normal flow pattern through the filter apparatus by forming a porous medium suitable to carry a fluid activator and placing an activator proximate the porous fil... | 02/26/2008 |
| 7334743 | Fog generating system and method of installing same A fog generating system (20) includes a fluid feed conduit (22) and extension tube assemblies (26) spaced along the conduit (22). The assemblies (26) include nozzle fittings (40) coupled to extension tubes (32). Misti... | 02/26/2008 |
| 7316776 | Aquarium filtration system with bio-reactor An improved aquarium filtration system is provided which includes a bio-reactor chamber. The bio-reactor chamber includes a plurality of bio-balls which have a high surface area for collecting bacteria for biological filtration. The bio-reactor includes one or more ... | 01/08/2008 |
| 7316775 | Air-powered filter arrangement A filter including a filter housing having a spillway and a pneumatic intake assembly that draws water from an aquarium into the filter housing. The filter housing being configured to internally mount to the aquarium. The filter housing having first and second chamb... | 01/08/2008 |
| 7316751 | Cleaner with high pressure cleaning jets A swimming pool cleaner discharges water jets under the cleaner body, directed toward its center from its sides, to agitate and lift debris toward one or more vacuum intake openings, to greatly enhance the cleaning ability of the cleaner. The suspended dirt and debr... | 01/08/2008 |
| 7313840 | Induction liquid pump and magnetic tank scrubber An induction liquid pump includes a power unit and a circulation unit that are oppositely mountable to a tank with a plurality of fixation units. The liquid pump power unit includes a power induction unit to produce a variable magnetic field. The submersible liquid ... | 01/01/2008 |
| 7314571 | Methods and systems for removing floating solid waste from the surface of a watercourse A floating pond skimmer is coupled by a fluid conduit to a remote filter/aerating apparatus. The skimmer sucks a mixture of solids and water, grinds/chops the solids, and pumps the reduced solids and water through the conduit to the filter/aerating apparatus which s... | 01/01/2008 |
| 7311819 | Aquarium filter The present invention is an aquarium filter that treats water mechanically, chemically and biologically, provides maximum and uniform circulation and aeration of water, prevents channeling, reduces surface debris, reduces leaking and clogging, maximizes the viewable... | 12/25/2007 |
| 7311822 | Aquarium The present invention provides a compact design and provides an improved viewable area. In an exemplary embodiment, the present invention comprises a container having a height, a depth and a width. The container comprises a main cavity, a lower cavity, at least one ... | 12/25/2007 |
| 7311823 | Pool filter cleaning device A pool filter cleaning device (1) which allows a person to thoroughly clean a filter cartridge (15) quickly and easily with minimal amount of splash back. The pool filter cleaning device (1) is comprised of a handle (2), an angled head se... | 12/25/2007 |
| 7310833 | Swimming pool lift and transfer bar A lift is provided to facilitate access to swimming pools and spas. The lift includes a base and a mast extending therefrom. An arm pivotally connects to the mast. A seat assembly connects to the arm. An overhead support is positioned above the seat assembly. A firs... | 12/25/2007 |
| 7309421 | Floating skimmer for cleaning the surface of a body of liquid A skimmer device for cleaning the surface of a body of liquid having a housing with a front and rear opening. Disposed within the housing is at least one float, a removable tray, and a battery powered motor with an attached propeller. Attached to the exterior of the... | 12/18/2007 |
| 7303084 | Compositions, devices, and methods for use in environmental remediation What is disclosed are compositions, devices, and methods for use in environmental remediation. The compositions are for use in a variety of environmental remediation barriers including fiber rolls, mats or blankets, and berms. Applications for the use of the composi... | 12/04/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7300576 | Pool cleaning system and safety skimmer A swimming pool cleaning system includes a pump, a first tube coupling a suction port of the pump in fluid communication with a main drain or mobile cleaning device which draws water and settled debris from the bottom of the pool, and a skimming device including an ... | 11/27/2007 |
| 7293314 | Turbine drive apparatus and method suited for suction powered swimming pool cleaner A method and apparatus for enabling a pool cleaner to travel through a water pool to collect dirt and other debris from the water and/or pool containment wall. The cleaner defines a suction passageway having an inlet open to pool water and an outlet adapted to be co... | 11/13/2007 |
| 7294278 | Method for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 11/13/2007 |
| 7291260 | Skimmer guard for a swimming pool A skimmer for a pool includes a skimmer guard that is installed by friction only, and without the use of separate fasteners. The skimmer guard includes a perforated plate which acts as a strainer, preventing debris from the pool from entering the skimmer. The skimme... | 11/06/2007 |
| 7276169 | Method for filtering water in an aquarium, a water cultivation tank and similar water bonds, and corresponding filtering system A method for filtering the water of an aquarium, a water cultivation tank or similar water bonds, by means of a filtering system comprising a closed vessel and defining a chamber, a filtering body housed in the chamber, a circulation pump having a suction duct, comm... | 10/02/2007 |
| 7276157 | Swimming pool strainer A swimming pool strainer formed of a substantially U-shaped housing including an end panel with a pair of spaced side panels perpendicularly extending therefrom. Positioned between the side panels are a plurality of spacer dowels that enhance the structural integrit... | 10/02/2007 |
| 7273547 | External type filtration device The present invention relates to a filtering apparatus including a filter device externally hitched on a wall surface of an aquarium. A water pump pumps water stored in the aquarium into the filter device. The filter device is formed so that the water pumped from th... | 09/25/2007 |
| 7273546 | Disposable filter bag for a pool cleaner An improved disposable filter bag for use with a pool cleaner of the type disclosed, for example, in U.S. Pat. Nos. 5,863,425; 4,558,479; and 3,822,754. The filter bag is formed from a porous filter material having marginal seams formed by direct welding to form a r... | 09/25/2007 |
| 7270749 | Pump system A pumping system comprising: (a) an inlet adapted for connection with a supply of low pressure water; (b) a filtration unit in fluid communication with the inlet, wherein the filtration unit filters impurities from the low pressure water so as to discharge a flow of... | 09/18/2007 |
| 7267328 | Aeration of wastewater ponds using airlift pumps The subject of this invention is a submerged airlift pump using multiple concentric pipes with diameters that increase as they near the water surface. Water initially accelerated into the lowest pipe section is progressively decelerated in subsequent pipe sections, ... | 09/11/2007 |
| 7264713 | Apparatus, system and method for remediation of contamination An apparatus, system and method for removing and treating contaminated materials on a bottom of a body of water and introducing growth packets to revitalize the treated bottom of the body of water. The structure may comprise a vessel with an open face. The vessel ma... | 09/04/2007 |
| 7264714 | Protein skimmer A protein skimmer for use in purification of water by culture of fish or other water organisms in a reservoir, aquarium or (2) with a circulation system comprising one or more discharge tubes (4) for water from the reservoir (2) to a pump (5 | 09/04/2007 |
| 7264720 | Pool filter with a pre-filtering unit The invention relates to a pool filter comprising a housing, which can be supported on a ground side on the base, a longitudinal axis and a transversal axis, and a water inlet, a channel outlet and a pool outlet which are embodied in the housing wall thereof. A flow... | 09/04/2007 |
| 7255786 | Skimmer with rotatable filter cartridge for spas and pools A pool/spa skimmer includes a housing, a face plate, and a flexible weir gate. The housing and plate are dimensioned to allow water to flow in a vertical column. The interior of the housing has a curved wall so that when a column of water passes through the open gat... | 08/14/2007 |
| 7255192 | Actuated tether A self-actuating robot or vehicle tether capable of moving itself, remaining free while traversing around obstacles, and free itself is disclosed. In a preferred embodiment of the invention, a valve is mounted to the tether or robot. An inflow conduit attached to or... | 08/14/2007 |
| 7255797 | Composition including potassium monopersulfate and a halogen A product including potassium monopersulfate and a halogen is presented. The product is useful for treatment of aquatic facilities such as swimming pools. While it was known that using a combination of potassium monopersulfate and halogen is effective for sanitizing... | 08/14/2007 |
| 7252762 | Filter housing arrangement with cartridge guides An aquarium filter arrangement including a filter housing and a filter cartridge positionable within a filter chamber of the filter housing. The filter arrangement includes a hinged cover connected to the filter housing. The hinged cover is designed to collect conde... | 08/07/2007 |
