Patents Assigned to ALTI, LLC
  • Patent number: 11493409
    Abstract: A sampling device comprising a filter to remove particulates greater than about 10 microns, a dryer active to remove water vapor present in the air sample, a chemical scrubber active to remove contaminants from the air sample, a cold trap to capture analytes which is configurable to be put into fluid communication with a spectroscopic analyzer. A method of obtaining and analyzing a sample utilizing the device is also disclosed.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: November 8, 2022
    Assignee: ALTI LLC
    Inventor: James McChesney Hargrove
  • Patent number: 11280775
    Abstract: A cavity ring down measurement system comprising a light source in optical communication with a detector through an optical cavity wherein the detector is in electronic communication through a gating circuit with a first integrating circuit and a second integrating circuit, controlled to obtain a ring up signal simultaneous with a ring down signal of a plurality of ON-OFF cycles over a single period of time. A process to utilize the system is also disclosed.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: March 22, 2022
    Assignee: ALTI, LLC
    Inventors: James McChesney Hargrove, John Hargrove