Patents by Inventor William G. England
William G. England has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230023192Abstract: Described herein is a an adsorbent and/or absorbent composition, a method of preparing the adsorbent and/or absorbent composition, and method of treating a fluid stream with the adsorbent and/or absorbent composition. Alumina and carbon are combined with polyacrylamide (PAM) powder and water in preferred proportions and impregnates such as Group 1A metal hydroxides. Group 7A salts of Group 1A metals optionally can be added.Type: ApplicationFiled: June 28, 2022Publication date: January 26, 2023Applicant: Purafil, Inc.Inventors: William G. England, Jayraj Nayan Joshi
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Publication number: 20220362696Abstract: A product and method of manufacturing and producing antimicrobial fibers using an antimicrobial additive material. The method comprising using various antimicrobial metals incorporated and embedded into an inorganic material as metal ions within the additive material that can be formulated into a masterbatch precursor material and processed to manufacture fine or synthetic fibers using standard manufacturing processes for use in applications from face masks and respirators to air filters for HVAC and higher efficiency HEPA applications.Type: ApplicationFiled: May 12, 2022Publication date: November 17, 2022Inventors: Donald Cho, William G. England, Anthony John Lawson, Gerrit Wijbenja, Mei Xin
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Publication number: 20220347621Abstract: A method for removing at least one odorous contaminant from a fluid stream by filtering the fluid stream with a filtration medium. The filtration medium includes a chemically modified activated carbon. The method is useful for removing one or more volatile organic compounds and/or one or more volatile thiol compounds, particularly terpenes (e.g., alpha-pinene and myrcene), nonanol, decanol, o-cymene, and benzaldehyde from the fluid stream. In some embodiments, the fluid stream is a cannabis grow house exhaust stream.Type: ApplicationFiled: August 12, 2020Publication date: November 3, 2022Applicant: PURAFIL, INC.Inventors: William G. England, Mei Xin
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Patent number: 11040307Abstract: A method for removing at least one contaminant from a fluid stream by filtering the fluid stream with a filtration medium. The filtration medium includes an impregnate. The impregnate includes a surfactant such as sulfamic acid. The medium has from about 0.1 to about 25% by weight of impregnate. The method is useful for removing one or more volatile organic compounds, particularly formaldehyde, from the fluid stream. In some embodiments, the method includes removing at least two volatile organic compound contaminants from the fluid stream.Type: GrantFiled: January 24, 2017Date of Patent: June 22, 2021Assignee: PURAFIL, INC.Inventor: William G. England
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Publication number: 20210101101Abstract: Described herein is a method for reducing corrosion of corrodible metals in machinery. More particularly, described herein is a method for removing corrosive gases and particulates from an air flow. A method of removing corrosive contaminants from a fluid stream employing a filter having a multi-layer filtration media is described herein. Also described herein is a method of increasing the operational lifetime of machinery by reducing corrosion in the machine.Type: ApplicationFiled: April 25, 2019Publication date: April 8, 2021Inventor: William G. England
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Patent number: 10857518Abstract: Dry-scrubbing media compositions, methods of preparation and methods of use are provided. The compositions contain activated alumina and magnesium oxide. Optionally, activated carbon and other impregnates, such as hydroxides of group 1A metals, are included. The compositions exhibit improved efficiency and capacity for the removal of compounds, such as hydrogen sulfide, from an air-stream. The compositions are particularly useful for reducing or preventing the release of toxic gaseous compounds from the areas such as landfills, petroleum storage areas, refineries, drinking water systems, sewage treatment facilities, swimming pools, hospital morgues, animal rooms, and pulp and paper production sites.Type: GrantFiled: February 25, 2015Date of Patent: December 8, 2020Assignee: PURAFIL, INC.Inventor: William G. England
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Publication number: 20200188835Abstract: A method for removing contaminants from a fluid stream. More particularly, described herein is a method for removing ammonia and acid gas from an air flow. A method of making a metal zeolite impregnated fiber filter is also described. Also described herein is a method of monitoring the continued usefulness of a zeolite impregnated fiber filter.Type: ApplicationFiled: August 23, 2018Publication date: June 18, 2020Applicant: Purafil, Inc.Inventor: William G. England
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Patent number: 10151683Abstract: A method and apparatus for monitoring and reporting corrosion in terms recognized as conforming to an industry standard includes coating a substrate with a corrodible metallic substance of predetermined thickness, passing a current through the metallic substance, and generating a signal when electrical continuity is broken due to corrosion of the metallic substance. In one embodiment the apparatus includes a printed circuit board onto which the coated substrate is mounted, a power source for applying an electrical current across the coated substrate, and a display (such as a light or LCD panel) for providing an indication/alert that electrical continuity has been broken due to corrosion of the metallic substance.Type: GrantFiled: December 23, 2015Date of Patent: December 11, 2018Assignee: PURAFIL INC.Inventors: William G. England, Matthew Potts
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Publication number: 20170216769Abstract: A method for removing at least one contaminant from a fluid stream by filtering the fluid stream with a filtration medium. The filtration medium includes an impregnate. The impregnate includes a surfactant such as sulfamic acid. The medium has from about 0.1 to about 25% by weight of impregnate. The method is useful for removing one or more volatile organic compounds, particularly formaldehyde, from the fluid stream. In some embodiments, the method includes removing at least two volatile organic compound contaminants from the fluid stream.Type: ApplicationFiled: January 24, 2017Publication date: August 3, 2017Applicant: Purafil, Inc.Inventor: William G. England
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Publication number: 20160178549Abstract: A method and apparatus for monitoring and reporting corrosion in terms recognized as conforming to an industry standard includes coating a substrate with a corrodible metallic substance of predetermined thickness, passing a current through the metallic substance, and generating a signal when electrical continuity is broken due to corrosion of the metallic substance. In one embodiment the apparatus includes a printed circuit board onto which the coated substrate is mounted, a power source for applying an electrical current across the coated substrate, and a display (such as a light or LCD panel) for providing an indication/alert that electrical continuity has been broken due to corrosion of the metallic substance.Type: ApplicationFiled: December 23, 2015Publication date: June 23, 2016Applicant: Purafil, Inc.Inventors: William G. England, Matthew Potts
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Patent number: 9370763Abstract: A high capacity filtration media, method of preparing the media, and method of treating a fluid stream with the media are provided. The media contain a porous substrate impregnated with high concentrations of a permanganate. Preferably, the media includes a porous substrate impregnated with at least about 8% permanganate by weight. The media can optionally contain sodium bicarbonate. Improved capacity for the removal of undesirable compounds such as ethylene, formaldehyde, hydrogen sulfide and methyl mercaptan are achieved.Type: GrantFiled: July 15, 2015Date of Patent: June 21, 2016Assignee: PURAFIL, INC.Inventor: William G. England
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Publication number: 20160041085Abstract: A method for passively monitoring corrosive factors in an environment includes locating an apparatus in an environment. The apparatus includes at least one corrosion classification coupon and a temperature and humidity logging device. The apparatus is maintained in the environment for a period of time and then removed from the environment. The at least one corrosion classification coupon and the temperature and humidity logging device are analyzed to determine whether one or more of corrosive gases, temperature changes or humidity changes were present in the environment during the period of time. The temperature and humidity logging device may be an electronic temperature and humidity logging device. The analysis may be performed by an off-site vendor.Type: ApplicationFiled: March 12, 2014Publication date: February 11, 2016Applicant: PURAFIL, INC.Inventor: William G. England
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Publication number: 20150314262Abstract: A high capacity filtration media, method of preparing the media, and method of treating a fluid stream with the media are provided. The media contain a porous substrate impregnated with high concentrations of a permanganate. Preferably, the media includes a porous substrate impregnated with at least about 8% permanganate by weight. The media can optionally contain sodium bicarbonate. Improved capacity for the removal of undesirable compounds such as ethylene, formaldehyde, hydrogen sulfide and methyl mercaptan are achieved.Type: ApplicationFiled: July 15, 2015Publication date: November 5, 2015Applicant: PURAFIL, INC.Inventor: William G. England
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Patent number: 9108142Abstract: A high capacity filtration media, method of preparing the media, and method of treating a fluid stream with the media are provided. The media contain a porous substrate impregnated with high concentrations of a permanganate. Preferably, the media includes a porous substrate impregnated with at least about 8% permanganate by weight. The media can optionally contain sodium bicarbonate. Improved capacity for the removal of undesirable compounds such as ethylene, formaldehyde, hydrogen sulfide and methyl mercaptan are achieved.Type: GrantFiled: July 19, 2013Date of Patent: August 18, 2015Assignee: PURAFIL, INC.Inventor: William G. England
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Publication number: 20150182945Abstract: Dry-scrubbing media compositions, methods of preparation and methods of use are provided. The compositions contain activated alumina and magnesium oxide. Optionally, activated carbon and other impregnates, such as hydroxides of group 1A metals, are included. The compositions exhibit improved efficiency and capacity for the removal of compounds, such as hydrogen sulfide, from an air-stream. The compositions are particularly useful for reducing or preventing the release of toxic gaseous compounds from the areas such as landfills, petroleum storage areas, refineries, drinking water systems, sewage treatment facilities, swimming pools, hospital morgues, animal rooms, and pulp and paper production sites.Type: ApplicationFiled: February 25, 2015Publication date: July 2, 2015Inventor: William G. England
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Patent number: 8992867Abstract: Dry-scrubbing media compositions, methods of preparation and methods of use are provided. The compositions contain activated alumina and magnesium oxide. Optionally, activated carbon and other impregnates, such as hydroxides of group 1A metals, are included. The compositions exhibit improved efficiency and capacity for the removal of compounds, such as hydrogen sulfide, from an air-stream. The compositions are particularly useful for reducing or preventing the release of toxic gaseous compounds from the areas such as landfills, petroleum storage areas, refineries, drinking water systems, sewage treatment facilities, swimming pools, hospital morgues, animal rooms, and pulp and paper production sites.Type: GrantFiled: March 25, 2009Date of Patent: March 31, 2015Assignee: Purafil, Inc.Inventor: William G. England
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Patent number: 8586502Abstract: Dry-scrubbing media compositions, methods of preparing same, and methods of use are provided. The compositions contain activated alumina and potassium carbonate. Optionally, activated carbon and other impregnates, such as sulfates of group 1A metals, are included in the compositions. The compositions exhibit improved efficiency and capacity for the removal of compounds such as chlorine or sulfur dioxide from an air-stream. The compositions are particularly useful for reducing or preventing the release of toxic gaseous compounds from the areas such as petroleum storage areas, refineries, drinking water systems, sewage treatment facilities, swimming pools, hospital morgues, animal rooms, and pulp and paper production sites.Type: GrantFiled: April 18, 2012Date of Patent: November 19, 2013Assignee: Purafil, Inc.Inventor: William G. England
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Publication number: 20130302234Abstract: A high capacity filtration media, method of preparing the media, and method of treating a fluid stream with the media are provided. The media contain a porous substrate impregnated with high concentrations of a permanganate. Preferably, the media includes a porous substrate impregnated with at least about 8% permanganate by weight. The media can optionally contain sodium bicarbonate. Improved capacity for the removal of undesirable compounds such as ethylene, formaldehyde, hydrogen sulfide and methyl mercaptan are achieved.Type: ApplicationFiled: July 19, 2013Publication date: November 14, 2013Inventor: William G. England
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Patent number: 8420038Abstract: A method for removing at least one contaminant from a fluid stream includes filtering the fluid stream with a filtration medium. The filtration medium includes an impregnate. The impregnate includes an organic amine and an inorganic metal salt. The inorganic metal salt includes magnesium oxide, calcium oxide or combinations thereof. The medium has from about 0.1 to about 25% by weight of impregnate. The impregnate contains from about 0.1 to about 5% by weight organic amine, and the organic amine includes aqueous urea, solid urea, melamine or mixtures thereof. The impregnate contains from about 0.1 to about 5% by weight metal salt. The impregnate optionally further includes a surfactant such as polyacrylic acid. In some embodiments, the method includes removing at least two contaminants from the fluid stream.Type: GrantFiled: August 17, 2012Date of Patent: April 16, 2013Assignee: Purafil, Inc.Inventor: William G. England
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Patent number: 8343401Abstract: A method for forming a filtration media from waste media includes combining the waste media with a binder to form a dry mixture, adding a liquid composition to the dry mixture to form a slurry, and extruding the slurry to form a filtration media. The waste media may include fines or oversized media resulting from a prior media production process that have been subjected to a hydration process. The waste media may be ground and sized prior to combining it with the binder. The binder may include clay, cellulose materials, and combinations thereof. The liquid composition may include water and optionally one or more additional additives selected from the group consisting of permanganates, acids, bases, amines and combinations thereof. In one embodiment, the slurry is extruded into a honeycomb matrix.Type: GrantFiled: April 5, 2011Date of Patent: January 1, 2013Assignee: Purafil, Inc.Inventor: William G. England