Patents by Inventor A. David Woolfson
A. David Woolfson 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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Patent number: 11906486Abstract: A system for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress includes a first indentation means and a second indentation means, and means for urging the first indentation means and the second indentation means into the mattress with a predetermined force, and also includes laser means for projecting a laser line configured to map, preferably by photographic triangulation, the amplitude, shape, and time-dependency of the resultant deflection of the mattress surface between the first indentation means and the second indentation means. A method for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress is also provided.Type: GrantFiled: October 10, 2022Date of Patent: February 20, 2024Assignee: CHAPELGLADE LIMITEDInventors: Duncan Bain, John Bain, David Woolfson
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Publication number: 20230057583Abstract: A system for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress includes a first indentation means and a second indentation means, and means for urging the first indentation means and the second indentation means into the mattress with a predetermined force, and also includes laser means for projecting a laser line configured to map, preferably by photographic triangulation, the amplitude, shape, and time-dependency of the resultant deflection of the mattress surface between the first indentation means and the second indentation means. A method for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress is also provided.Type: ApplicationFiled: October 10, 2022Publication date: February 23, 2023Inventors: Duncan Bain, John Bain, David Woolfson
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Patent number: 11467076Abstract: A system for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress includes a first indentation means and a second indentation means, and means for urging the first indentation means and the second indentation means into the mattress with a predetermined force, and also includes laser means for projecting a laser line configured to map, preferably by photographic triangulation, the amplitude, shape, and time-dependency of the resultant deflection of the mattress surface between the first indentation means and the second indentation means. A method for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress is also provided.Type: GrantFiled: May 18, 2017Date of Patent: October 11, 2022Assignee: CHAPELGLADE LIMITEDInventors: Duncan Bain, John Bain, David Woolfson
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Publication number: 20210186227Abstract: An infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover, a resiliently deformable filling material, and a vent means in the cover, the vent means including a filter medium including a filter membrane for the removal of particles of microbial size, a strengthening layer of material for providing mechanical strength to the filter medium, and an adhesive layer, wherein the filter medium allows air flow therethrough but is substantially impermeable to liquid while maintaining a barrier to particles of microbial size; optionally, wherein the adhesive layer is formed from a plurality of dots of adhesive applied to the strengthening layer.Type: ApplicationFiled: July 25, 2019Publication date: June 24, 2021Inventors: David Woolfson, Sven Jürisoo, Lyane Lind, Sulev Pae
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Patent number: 11039692Abstract: A fire retardant cushioning device wherein the cushioning device comprises a main body formed of a fire retardant cover material which is assembled together from panels of fire retardant cover material with the panels being connected together by at least one welded seam extending about the edges of the panels of cover material to form a seamed fire retardant cover material comprising the main body of the cover and the seam(s); and wherein the construction of the cushioning device provides a fire retardant cushioning device having welded seam(s) whereby the welded seam(s) are configured such that they are flame retardant. A fire retardant, infection control cushioning device is also disclosed. The invention also provides a method of manufacturing the fire retardant cushioning device.Type: GrantFiled: April 9, 2018Date of Patent: June 22, 2021Assignee: Pneuma Pure I.P. LimitedInventors: Duncan Bain, David Woolfson
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Patent number: 10470584Abstract: The invention provides a system for using optical mapping for producing a 3 dimensional mapping of the characteristics of a body; the system comprising measuring the movement of at least one registration mark on a capture sheet along a predetermined axis and means for using this measurement of the movement of the at least one registration mark to provide an indicator of the characteristics of the body. The invention also provides an apparatus for measuring body characteristics and a method of measuring body characteristics.Type: GrantFiled: January 26, 2015Date of Patent: November 12, 2019Assignee: Chapelglade LimitedInventors: David Woolfson, Duncan Bain
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Publication number: 20190307260Abstract: A fire retardant cushioning device wherein the cushioning device comprises a main body formed of a fire retardant cover material which is assembled together from panels of fire retardant cover material with the panels being connected together by at least one welded seam extending about the edges of the panels of cover material to form a seamed fire retardant cover material comprising the main body of the cover and the seam(s); and wherein the construction of the cushioning device provides a fire retardant cushioning device having welded seam(s) whereby the welded seam(s) are configured such that they are flame retardant. A fire retardant, infection control cushioning device is also disclosed. The invention also provides a method of manufacturing the fire retardant cushioning device.Type: ApplicationFiled: April 9, 2018Publication date: October 10, 2019Inventors: Duncan Bain, David Woolfson
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Publication number: 20190277740Abstract: A system for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress includes a first indentation means and a second indentation means, and means for urging the first indentation means and the second indentation means into the mattress with a predetermined force, and also includes laser means for projecting a laser line configured to map, preferably by photographic triangulation, the amplitude, shape, and time-dependency of the resultant deflection of the mattress surface between the first indentation means and the second indentation means. A method for simultaneously measuring the indentation hardness properties, span properties, and resilience properties of a mattress is also provided.Type: ApplicationFiled: May 18, 2017Publication date: September 12, 2019Inventors: Duncan Bain, John Bain, David Woolfson
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Patent number: 10023896Abstract: A system for checking interior air contamination, the system including a sealed device including twin ports, a sampling device including a pump to extract at least some of the air from the interior of the sealed device, and a microbial detect to determine if the air contains contaminants. The twin ports are removably engageable with the sampling device to allow a circuit of air between the pump unit and the sealed device, such that air extracted from one of the twin ports by the pump is returned to the other of the twin ports, allowing no escape of the air to the environment. The sealed device is sealed to prevent, except through the twin ports, exterior air to flow into the sealed device and the air from the interior to flow out.Type: GrantFiled: July 10, 2013Date of Patent: July 17, 2018Assignee: Pneuma Pure Holdings LimitedInventors: Duncan Bain, David Woolfson
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Patent number: 10016442Abstract: Pharmaceutical gel compositions containing estrogen for vaginal administration, as well as a method of making the same, are disclosed.Type: GrantFiled: June 16, 2006Date of Patent: July 10, 2018Assignee: Allergan Pharmaceuticals International LimitedInventors: David Woolfson, Karl Malcolm
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Publication number: 20170340580Abstract: A moist, layered bioadhesive patch includes one or more polymers. A method of producing a monolayered film and a method of drying said film is provided. Additionally, there is provided a method of producing bioadhesive, layered patches by combining layers of the monolayered film to obtain a desired thickness of the patch. Patches according to the invention may be used as such, or for delivering pharmaceutically active compounds, such as in a drug delivery system.Type: ApplicationFiled: August 21, 2017Publication date: November 30, 2017Inventors: Paul A. MCCARRON, Ryan F. DONELLY, David WOOLFSON
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Publication number: 20170020301Abstract: The invention provides a system for using optical mapping for producing a 3 dimensional mapping of the characteristics of a body; the system comprising measuring the movement of at least one registration mark on a capture sheet along a pre-determined axis and means for using this measurement of the movement of the at least one registration mark to provide an indicator of the characteristics of the body. The invention also provides an apparatus for measuring body characteristics and a method of measuring body characteristics.Type: ApplicationFiled: January 26, 2015Publication date: January 26, 2017Inventors: David Woolfson, Duncan Bain
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Patent number: 9549746Abstract: A microprotrusion array for use in transport of a material across a biological barrier, wherein said array comprises a plurality of microprotusions composed of a swellable polymer composition.Type: GrantFiled: September 29, 2008Date of Patent: January 24, 2017Assignee: THE QUEEN'S UNIVERSITY OF BELFASTInventors: A. David Woolfson, Desmond Ian John Morrow, Anthony Morrissey, Ryan F. Donnelly, Paul A. McCarron
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Patent number: 9427400Abstract: The present invention provides improved intravaginal drug delivery devices, i.e., intravaginal rings, useful for the prophylactic administration of an antimicrobial compound, e.g., Dapivirine, to a human. The intravaginal rings of the invention address previous stability issues by utilizing a platinum catalyst (e.g., in the form of a platinum-siloxane complex) for the cross-linking reaction. The vaginal rings surprisingly achieve relatively high and steady release rates in vivo with a matrix ring containing a relatively small loading dose. While the matrix rings of the present invention have in vivo the steady release rates associated with reservoir rings, they are easier and less expensive to manufacture. The present invention also provides methods of blocking DNA polymerization by an HIV reverse transcriptase enzyme, methods of preventing HIV infection in a female human, methods of treating HIV infection in a female human, and methods of preparing platinum-catalyzed intravaginal rings.Type: GrantFiled: October 11, 2013Date of Patent: August 30, 2016Assignee: International Partnership For MicrobicidesInventors: Karl Malcolm, David Woolfson, Joseph Romano
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Publication number: 20150250740Abstract: A moist, layered bioadhesive patch includes one or more polymers. A method of producing a monolayered film and a method of drying said film is provided. Additionally, there is provided a method of producing bioadhesive, layered patches by combining layers of the monolayered film to obtain a desired thickness of the patch. Patches according to the invention may be used as such, or for delivering pharmaceutically active compounds, such as in a drug delivery system.Type: ApplicationFiled: April 20, 2015Publication date: September 10, 2015Inventors: Paul A. MCCARRON, Ryan F. DONELLY, David WOOLFSON
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Publication number: 20150176047Abstract: The invention provides a system for checking the interior of hermetically sealed cushioning devices for contamination, comprising a hermetically sealed cushioning device (1, 2) having a port (3) adapted to allow extraction of air from interior of the cushioning device (1, 2), and means for analysing said extracted air to determine if it contains contaminants. The system comprises a sampling device for extracting a sample of air from inside a sealed cushioning device, the sampling device having a nozzle (23) removably engageable with a sealable port (3) on the sealed cushioning device (1, 2). The invention also provides a cushioning device (1, 2) comprising a port (3) adapted for connection to a cushioning device and removeably engageable with a sampling device.Type: ApplicationFiled: July 10, 2013Publication date: June 25, 2015Applicant: PNEUMA PURE I.P. LIMITEDInventors: Duncan Bain, David Woolfson
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System for determining individual user anthropometric characteristics related to mattress preference
Patent number: 9033901Abstract: A measuring device to aid mattress selection has an upstanding frame with a plurality of vertically space-apart horizontal illuminated strips. A camera mounted in front of the frame takes front view and side view images of a person standing in front of the illuminated strips. These images are delivered to an associated computer having means to determine the body mass distribution and the spine curvature of the person based on the images of the strips taken by the camera and in particular based on those portions of the image of the illuminated strips blocked by the person standing in front of the illuminated strips. This information can then be used to aid in appropriate mattress selection for the person.Type: GrantFiled: September 20, 2010Date of Patent: May 19, 2015Inventors: David Woolfson, Duncan Bain, Lee Hubbard -
Publication number: 20150107026Abstract: An infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover and having a deformable filling material, may comprise a liquid impermeable air permeable microbial barrier vent. The vent includes an oleophobic expanded polytetrafluoroethylene (PTFE) membrane extending past the perimeter of the aperture and a nonwoven layer extending past the perimeter of the aperture. A gasket may be bonded to the PTFE membrane, the nonwoven layer and the cover to form a liquid impermeable seal rendering the infection control bedding product liquid impermeable.Type: ApplicationFiled: December 22, 2014Publication date: April 23, 2015Applicant: PNEUMA PURE I.P. LIMITEDInventors: William Navan, David Woolfson
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Patent number: 8950028Abstract: An infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover and having a deformable filling material, may comprise a liquid impermeable air permeable microbial barrier vent. The vent includes an oleophobic expanded polytetrafluoroethylene (PTFE) membrane extending past the perimeter of the aperture and a nonwoven layer extending past the perimeter of the aperture. A gasket may be bonded to the PTFE membrane, the nonwoven layer and the cover to form a liquid impermeable seal rendering the infection control bedding product liquid impermeable.Type: GrantFiled: October 21, 2013Date of Patent: February 10, 2015Assignee: Pneuma Pure I.P. LimitedInventors: William Navan, David Woolfson
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Publication number: 20140196215Abstract: An infection control bedding product such as a pillow, duvet, mattress, cushion or such like having a sealed cover and having a deformable filling material, may comprise a liquid impermeable air permeable microbial barrier vent. The vent includes an oleophobic expanded polytetrafluoroethylene (PTFE) membrane extending past the perimeter of the aperture and a nonwoven layer extending past the perimeter of the aperture. A gasket may be bonded to the PTFE membrane, the nonwoven layer and the cover to form a liquid impermeable seal rendering the infection control bedding product liquid impermeable.Type: ApplicationFiled: October 21, 2013Publication date: July 17, 2014Applicant: Pneuma Pure I.P. LimitedInventors: William Navan, David Woolfson