Patents by Inventor Patrick Call

Patrick Call 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).

  • Publication number: 20220236147
    Abstract: Disclosed are methods and systems for analyzing exhaled breath aerosol particles present in the ambient environment using high flowrate aerosol collector systems and sensitive and specific nucleic acid analysis systems to determine if active spreaders of a respiratory disease are present in an indoor space. The disclosed systems and methods provide for a diagnostic test result in less than about 30 minutes.
    Type: Application
    Filed: January 27, 2022
    Publication date: July 28, 2022
    Applicant: Zeteo Tech, Inc.
    Inventors: Charles J. Call, George Bajszar, Patrick Call
  • Publication number: 20090268201
    Abstract: A handheld device for detecting the presence of biological and chemical airborne particles. The device collects a sample by drawing air in through a filter that allows air t pass through but collects particles in the air that are larger than the pore size of the filter, which may be selected to meet the user's needs. The filter is then subjected to an optical detection assembly that utilizes UV light directed on the filter and detects visible light emitted by any collected particles via a photomultiplier tube. Prior to collecting a sample, the filter is subjected to the optical detection assembly to generate a baseline reading, which is compared with the test results of the collected sample to determine the presence or absence of particles, such as mold.
    Type: Application
    Filed: May 1, 2007
    Publication date: October 29, 2009
    Inventor: Patrick Call
  • Publication number: 20080286741
    Abstract: A system for online courses. The system includes a database of course work items, including a set of one or more documents of an online textbook, with the documents being logically associated with first and second feedback modes. The system also includes functionality for providing the one or more documents to a first client device in response to a first user request and to a second client device in response to a second user request, with the one or more documents provided to the first client device logically associated with the first feedback mode and those provided to the second client device logically associated with the second feedback mode.
    Type: Application
    Filed: January 11, 2008
    Publication date: November 20, 2008
    Inventor: Patrick Call
  • Publication number: 20070196808
    Abstract: Various online educational systems, components, methods, and software are presented.
    Type: Application
    Filed: March 16, 2007
    Publication date: August 23, 2007
    Inventor: Patrick Call
  • Publication number: 20070048186
    Abstract: A method and apparatus for removing concentrated spots of collected particulates from an impact collection surface, and transferring those particulates into a container suitable for preparing a liquid sample. A jet of fluid can be utilized to remove and transfer the particulates. If a liquid jet is employed, care is taken to minimize the quantity of liquid to avoid unnecessarily diluting the sample. A mechanical scraper can alternatively be employed to remove and transfer the particulates into the container. The scraper can be rinsed with liquid or vibrated to remove the particulates. Alternatively, the portion of the surface containing a specific spot of particulates can be removed and placed into a container.
    Type: Application
    Filed: March 21, 2006
    Publication date: March 1, 2007
    Applicant: MesoSystems Technology, Inc.
    Inventors: Charles Call, Patrick Call, Vanessa Kenning, Eric Hanczyc, Andrew Kamholz
  • Patent number: 6729196
    Abstract: A portable sampling unit capable of separating particulates, including biological organisms, from gaseous fluids such as air. A combined particle impact collector and fan is used to both move fluid through the sampling unit and to collect particulates. In one embodiment, the combined particle impact collector is a disposable unit that is removed and replaced with a fresh unit after each sampling period. The disposable unit is placed in a rinse station, where a liquid sample is extracted for later analysis. Alternatively, a disposable detection unit is incorporated in the sampling unit to provide real time detection of chemical toxins and/or biological pathogens. Preferably, the detector unit includes micro-fluidic channels so that a minimum amount of sample and test reagents are required. In another embodiment, the combined impact collector is integral to the sampling unit, rather than a separate disposable item.
    Type: Grant
    Filed: February 1, 2001
    Date of Patent: May 4, 2004
    Assignee: MesoSystems Technology, Inc.
    Inventors: Christopher L. Moler, Trent Wetherbee, Patrick Call, Charles J. Call, Vanessa M. Kenning
  • Patent number: 6488900
    Abstract: A method and apparatus for purifying air to deactivate toxic chemical and biological species such as Sarin, mustard gas, phosgene, cyanogen chloride, Anthrax spores, E. coli bacteria, Salmonella bacteria, Hepatitis virus, and Norwalk virus. The apparatus comprises a reaction chamber coupled to a counterflow heat exchanger. Incoming contaminated air is directed through a heating side of a counterflow heat exchanger to preheat it. The air is further heated to a temperature of at least 200° C., which is sufficient to deactivate common biological toxic species. Optionally, the reaction chamber may include a catalyst on a surface area over which the heated air is directed, which enables a thermocatalytic reaction that is particularly effective in deactivating biological and chemical warfare agents, such as anthrax and Sarin.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: December 3, 2002
    Assignee: MesoSystems Technology, Inc.
    Inventors: Charles J. Call, Mike Powell, Seung-Ho Hong, Ezra Merrill, Alireza Shekarriz, Patrick Call
  • Publication number: 20010029793
    Abstract: A portable sampling unit capable of separating particulates, including biological organisms, from gaseous fluids such as air. A combined particle impact collector and fan is used to both move fluid through the sampling unit and to collect particulates. In one embodiment, the combined particle impact collector is a disposable unit that is removed and replaced with a fresh unit after each sampling period. The disposable unit is placed in a rinse station, where a liquid sample is extracted for later analysis. Alternatively, a disposable detection unit is incorporated in the sampling unit to provide real time detection of chemical toxins and/or biological pathogens. Preferably, the detector unit includes micro-fluidic channels so that a minimum amount of sample and test reagents are required. In another embodiment, the combined impact collector is integral to the sampling unit, rather than a separate disposable item.
    Type: Application
    Filed: February 1, 2001
    Publication date: October 18, 2001
    Applicant: MesoSystems Technology, Inc.
    Inventors: Christopher L. Moler, Trent Wetherbee, Patrick Call, Charles J. Call, Vanessa M. Kenning