# US 2014/0151284 A1 · Water pitcher with filter > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0151284 A1 - Document ID: US20140151284A1 - Status: Published application - Kind: A1 - Application number: 14/095,059 - Filed: 2013-12-03 - Published: 2014-06-05 - Earliest claimed: 2012-12-04 - Assignees: Whirlpool Corporation - Applicants: Whirlpool Corporation - Inventors: NIHAT O. CUR; JAMES W. KENDALL; GINGER ELAYNE PATERA; MARK M. SENNINGER - Web page: https://patentgrep.com/patent/US20140151284A1 ## CPC - B01D 15/10: characterised by constructional or operational features - B01D 35/30: Filter housing constructions - C02F 1/003: {using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices (C02F9/20 takes precedence)} - C02F 1/281: {using inorganic sorbents} - C02F 1/283: {using coal, charred products, or inorganic mixtures containing them} - C02F 1/42: by ion-exchange (ion-exchange in general B01J) - C02F 1/68: by addition of specified substances, e.g. trace elements, for ameliorating potable water (medicinal water A61K) - C02F 1/76: with halogens or compounds of halogens {(C02F1/4674 takes precedence)} - C02F 5/10: using organic substances - C02F 2101/20: Heavy metals or heavy metal compounds - C02F 2101/306: {Pesticides} - C02F 2101/322: {Volatile compounds, e.g. benzene} - C02F 2303/185: The treatment agent being halogen or a halogenated compound - C02F 2307/04: as part of a pitcher or jug - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - C02F: TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE (separation in general B01D; special arrangements on waterborne vessels of installations for treating water, waste water or sewage, e.g. for producing fresh water, B63J; adding materials to water to prevent corrosion C23F; treating radioactively-contaminated liquids G21F9/04; regeneration of reactants for recirculation into processes, see the relevant places for the processes) ## Abstract A water pitcher system that includes a water receiving aperture configured to allow water to be delivered into an interior water storage volume defined by a base and at least one upwardly extending wall extending upward from the base. The at least one upwardly extending wall includes an inner fluid facing wall section having an inner fluid facing surface and an outer user facing wall section having an exterior, user facing surface where the inner fluid facing wall section and the outer user facing wall section are each composites of a plastic substrate and a glass layer, typically deposited by vapor deposition or blow-molding, onto the plastic substrate. The inner fluid facing surface and the outer user facing surface are the glass layers. ## Claims ### Claim 1 A liquid pitcher comprising: a liquid receiving aperture configured to allow a liquid to be delivered into an interior liquid storage volume defined by at least one upwardly extending wall extending upward from a base; wherein the at least one upwardly extending wall comprises an inner fluid facing wall section having an inner fluid facing surface and an outer user facing wall section having an outer user facing surface wherein the inner fluid facing wall section comprises a material chosen from the group consisting of glass, stainless steel, gold, silver, and mixtures thereof, and the outer user facing wall section comprises a material chosen from the group consisting of glass, plastic, and stainless steel; and wherein the inner fluid facing surface and the outer user facing surface are not both glass unless the glass is blow molded or vapor deposited as a layer onto another media chosen from the group consisting of a plastic, a metal, and mixtures thereof thereby forming a composite material with glass layer on at least one of the inner fluid facing wall section and the outer user facing wall section. ### Claim 2 (depends on 1) The liquid pitcher of claim 1, wherein at least one of the inner fluid facing wall section and outer user facing wall section are a composite having a glass layer on a substrate and the glass layer is the inner fluid facing surface or the outer user facing surface. ### Claim 3 (depends on 2) The liquid pitcher of claim 2, wherein each of the inner fluid facing wall section and the outer user facing wall section are a composite having a glass layer on a substrate and the glass layer is the inner fluid facing surface and the outer user facing surface. ### Claim 4 (depends on 3) The liquid pitcher of claim 3, wherein the substrate is a plastic substrate having a surface and wherein the glass layer is layered onto the surface of the plastic substrate by blow-molding or vapor depositing the glass onto the substrate. ### Claim 5 (depends on 1) The liquid pitcher of claim 1, wherein the inner fluid facing wall section and the outer user facing wall section are part of the same upwardly extending wall such that the liquid pitcher is a single walled liquid pitcher where the at least one upwardly extending wall is a composite wherein the inner fluid facing surface is glass engaged to a plastic substrate on a first side of the plastic substrate and wherein the outer user facing surface is glass engaged to the plastic substrate on a second side of the plastic substrate. ### Claim 6 (depends on 1) The liquid pitcher of claim 1, wherein the inner fluid facing wall section and the outer user facing wall section are different and define an airspace therebetween such that the liquid pitcher forms a double-walled pitcher. ### Claim 7 (depends on 2) The liquid pitcher of claim 2, wherein the inner fluid facing surface is part of a first upwardly extending wall section and the outer user facing surface is part of a second upwardly extending wall section that are different and define an airspace therebetween such that the liquid pitcher forms a double-walled pitcher. ### Claim 8 (depends on 3) The liquid pitcher of claim 3, wherein the inner fluid facing surface is part of a first upwardly extending wall section and the outer user facing surface is part of a second upwardly extending wall section that are different sections of the at least one upwardly extending wall and define an airspace therebetween such that the liquid pitcher forms a double-walled pitcher. ### Claim 9 (depends on 1) The liquid pitcher of claim 1 further comprising a handle engaged with the at least one upwardly extending wall. ### Claim 10 (depends on 1) The liquid pitcher of claim 1 further comprising a gravity-driven liquid filtering system comprising at least one fluid treatment medium wherein the gravity-driven filtering system is positioned within the liquid receiving aperture of the pitcher defined by an upper rim of the at least one upwardly extending wall distal from the bottom of the liquid pitcher. ### Claim 11 (depends on 10) The liquid pitcher of claim 10, wherein the gravity-driven liquid filtering system is a gravity-driven water filtering system and the at least one fluid treatment medium is a gravity-driven water treatment medium that allows for a water flow rate of at least about one liter per minute of flow through the water treatment medium. ### Claim 12 (depends on 11) The liquid pitcher of claim 11, wherein the gravity-driven water treatment medium allows for a water flow rate of at least about two liter per minute of flow through the water treatment medium. ### Claim 13 (depends on 12) The liquid pitcher of claim 12, wherein the water treatment medium reduces chlorine taste and odor components (CTO) per NSF 42 to a minimum of 60 gallons. ### Claim 14 (depends on 13) The liquid pitcher of claim 13 further comprising a lid that is threadably engaged to an upper portion of the at least one upwardly extending wall and defines the liquid receiving aperture therein and the gravity-driven liquid filtering system is positioned within and frictionally engaged with the liquid receiving aperture. ### Claim 15 (depends on 14) The liquid pitcher of claim 14, wherein the gravity-driven liquid filtering system comprises: a bottom portion having at least one treated fluid outlet, an upper perimeter, and a bottom portion side wall that defines an interior volume of the bottom portion and wherein the bottom portion side wall is a shaped surface configured to frictionally engage a plurality of differently sized fluid vessel openings and still allow treated fluid to be delivered to the interior of a fluid vessel through the at least one treated fluid outlets; a filter comprising the water treatment medium positioned within the filter wherein the filter is operably engaged with the bottom portion and having a fluid intake location and a fluid outgoing location that delivers treated fluid to the interior volume of the bottom portion and out of the at least one treated fluid outlet of the bottom portion; a top portion having an interior volume defined by at least one wall, at least one fluid inlet and a bottom perimeter defining an opening and wherein the top portion is configured to received fluid from at least one fluid inlet and the bottom perimeter defines an opening that is configured to allow fluid from the at least one inlet to flow into contact with the intake surface of the fluid filter; and wherein the fluid filter is configured to be removably engaged by hand without the use of tools from the bottom portion and the fluid filter, the bottom portion and the top portion are each configured to be removably engaged and disengaged to allow for replacement of the filter and reassembly of the overall gravity-driven liquid system filtering by hand and without the use of tools. ### Claim 16 A water pitcher system comprising: a water receiving aperture configured to allow water to be delivered into an interior water storage volume defined by a base and at least one upwardly extending wall extending upward from the base; wherein the at least one upwardly extending wall comprises an inner fluid facing wall section having a fluid facing surface and an outer user facing wall section having an exterior, user facing surface wherein the inner fluid facing wall section and the outer user facing wall section are each composites of a plastic substrate and a glass layer deposited onto the plastic substrate and the inner fluid facing surface and the outer user facing surface are the glass layers. ### Claim 17 (depends on 16) The water pitcher of claim 16 further comprising a gravity-driven water filtering system comprising at least one water treatment medium wherein the gravity-driven water filtering system is positioned within the water receiving aperture of the pitcher defined by an upper rim of the at least one upwardly extending wall distal from the bottom of the water pitcher. ### Claim 18 (depends on 16) The water pitcher of claim 16 further comprising a gravity-driven water filtering system comprising at least one water treatment medium and wherein the at least one fluid treatment medium is a gravity-driven water treatment medium that allows for a water flow rate of at least about one liter per minute of flow through the water treatment medium. ### Claim 19 (depends on 16) The water pitcher of claim 16 further comprising a gravity fluid treatment device comprising: a bottom portion having at least one treated fluid outlet, an upper perimeter, and a side wall that defines an interior of the bottom portion and wherein the bottom portion side wall is a shaped surface that is configured to frictionally engage a plurality of differently sized fluid vessel openings and still allow treated fluid to be delivered to the interior of a fluid vessel through the at least one treated fluid outlets; a filter comprising the water treatment medium positioned within the filter wherein the filter is operably engaged with the bottom portion and having a fluid intake location and a fluid outgoing location that delivers treated fluid to the interior volume of the bottom portion and out of the at least one treated fluid outlet of the bottom portion; a top portion having an interior volume defined by at least one wall, at least one fluid inlet and a bottom perimeter defining an opening and wherein the top portion is configured to received fluid from at least one fluid inlet and the bottom perimeter defines an opening that is configured to allow fluid from the at least one inlet to flow into contact with an intake surface of the fluid filter; and wherein the fluid filter is configured to be removably engaged by hand without the use of tools from the bottom portion and the fluid filter, the bottom portion and the top portion are each configured to be removably engaged and disengaged to allow for replacement of the filter and reassembly of the overall gravity fluid treatment device by hand and without the use of tools. ### Claim 20 A method of making a water pitcher comprising the step of: forming a layer of glass on at least an interior water facing surface and an exterior, user facing surface of at least one upwardly extending plastic wall of a water pitcher wherein the at least one upwardly extending plastic wall from is either a single upwardly extending plastic wall or a dual upwardly extending plastic wall having an airspace between plastic wall layers wherein the at least one upwardly extending plastic wall extends upward from a base of the water pitcher and define an interior water receiving volume and the layer of glass is formed by blow molding or vapor depositing the glass onto at least the interior water facing surface and the exterior, user facing surface.