Patents by Inventor Andrew Dougherty

Andrew Dougherty 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).

  • Patent number: 11889790
    Abstract: A hydraulically powered implement is designed for use in connection with a tractor that has a hydraulic pump that supplies pressurized hydraulic fluid to the implement. The implement includes a variable displacement hydraulic motor, an operative element driven by the hydraulic motor, a speed sensor configured to measure the rotational speed of the operative element and output a speed signal representative of the measured speed, a shift module that adjusts the displacement of the hydraulic motor in response to a shift command signal, and a controller. The controller sends the shift command signal to the shift module in response to speed signal output by the speed sensor.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: February 6, 2024
    Assignee: Dougherty Forestry Manufacturing, Ltd. Co.
    Inventors: Patrick Devon Dougherty, James Andrew Dougherty
  • Patent number: 11699238
    Abstract: A local extension method for segmentation of anatomical treelike structures includes receiving an initial segmentation of 3D image data including an initial treelike structure. A target point in the 3D image data is defined, and a region of interest based on the target point is extracted to create a sub-image. Highly tubular voxels are detected in the sub-image, and a spillage-constrained region growing is performed using the highly tubular voxels as seed points. Connected components are extracted from the results of the region growing. The extracted components are pruned to discard components not likely to be connected to the initial treelike structure, keeping only candidate components likely to be a valid sub-tree of the initial treelike structure. The candidate components are connected to the initial treelike structure, thereby extending the initial segmentation in the region of interest.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: July 11, 2023
    Assignee: Veran Medical Technologies, inc.
    Inventors: Mark Hunter, Andrew Dougherty
  • Publication number: 20220092791
    Abstract: Method and processes for segmentation of lungs lobes from CT image data are disclosed. Lobe segmentation relies on other segmentations, including the lungs, the lung airways and vasculature. Segmentation methods and processes begin with the acquisition of 3-D image data such as from a high resolution CT scan of a patient's lungs or at least a region thereof. The image is then processed to provide a segmentation mask from which the components are extracted to identify the lungs and airway. Lung vasculature and lobes are identified by similar processes.
    Type: Application
    Filed: December 6, 2021
    Publication date: March 24, 2022
    Applicant: Veran Medical Technologies, Inc.
    Inventors: Andrew Dougherty, Mark Hunter
  • Patent number: 11130138
    Abstract: A tooth for use on a rotating element has a base attached to the rotating element and a cutter assembly removably attached to the base. The cutter assembly has an upper ramp surface and a blade. In another aspect, the tooth has a base attached to the rotating element and the base includes one or more base tab and slot elements. The tooth also includes a cutter assembly that has one or more cutter assembly tab and slot elements. Each of the one or more cutter assembly tab and slot elements is configured for a mating engagement with a corresponding one of the one or more base tab and slot elements. In another aspect, a rotary drum for use on a vegetation cutting machine includes a plurality of teeth that each have a base attached to the rotary drum and a cutter assembly removably attached to the base.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: September 28, 2021
    Assignee: Dougherty Forestry Manufacturing, Ltd. Co.
    Inventors: Patrick Dougherty, James Andrew Dougherty
  • Publication number: 20210105958
    Abstract: A tooth for use on a rotating element has a base attached to the rotating element and a cutter assembly removably attached to the base. The cutter assembly has an upper ramp surface and a blade. In another aspect, the tooth has a base attached to the rotating element and the base includes one or more base tab and slot elements. The tooth also includes a cutter assembly that has one or more cutter assembly tab and slot elements. Each of the one or more cutter assembly tab and slot elements is configured for a mating engagement with a corresponding one of the one or more base tab and slot elements. In another aspect, a rotary drum for use on a vegetation cutting machine includes a plurality of teeth that each have a base attached to the rotary drum and a cutter assembly removably attached to the base.
    Type: Application
    Filed: October 11, 2019
    Publication date: April 15, 2021
    Applicant: Dougherty Forestry Manufacturing, Ltd. Co.
    Inventors: Patrick Dougherty, James Andrew Dougherty
  • Publication number: 20200265584
    Abstract: A local extension method for segmentation of anatomical treelike structures includes receiving an initial segmentation of 3D image data including an initial treelike structure. A target point in the 3D image data is defined, and a region of interest based on the target point is extracted to create a sub-image. Highly tubular voxels are detected in the sub-image, and a spillage-constrained region growing is performed using the highly tubular voxels as seed points. Connected components are extracted from the results of the region growing. The extracted components are pruned to discard components not likely to be connected to the initial treelike structure, keeping only candidate components likely to be a valid sub-tree of the initial treelike structure. The candidate components are connected to the initial treelike structure, thereby extending the initial segmentation in the region of interest.
    Type: Application
    Filed: May 4, 2020
    Publication date: August 20, 2020
    Applicant: Veran Medical Technologies, Inc.
    Inventors: Mark Hunter, Andrew Dougherty
  • Patent number: 10643333
    Abstract: A local extension method for segmentation of anatomical treelike structures includes receiving an initial segmentation of 3D image data including an initial treelike structure. A target point in the 3D image data is defined, and a region of interest based on the target point is extracted to create a sub-image. Highly tubular voxels are detected in the sub-image, and a spillage-constrained region growing is performed using the highly tubular voxels as seed points. Connected components are extracted from the results of the region growing. The extracted components are pruned to discard components not likely to be connected to the initial treelike structure, keeping only candidate components likely to be a valid sub-tree of the initial treelike structure. The candidate components are connected to the initial treelike structure, thereby extending the initial segmentation in the region of interest.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: May 5, 2020
    Assignee: Veran Medical Technologies
    Inventors: Andrew Dougherty, Mark Hunter
  • Patent number: 10573008
    Abstract: A method of extending a segmentation of an image using navigated image data from a navigation system includes tracking, with the navigation system, at least one of a traveled path and a position of an imaging device relative to an initial segmentation of 3D image data including an initial treelike structure. Navigated image data including image data including at least one 2D or 3D image is captured with the imaging device. A point from the navigated image data corresponding to a potential airway structure is obtained by the navigation system. The initial segmentation of 3D image data is extended by the navigation system using the point obtained from the navigated image data.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: February 25, 2020
    Assignee: Veran Medical Technologies, Inc
    Inventors: Andrew Dougherty, Mark Hunter
  • Publication number: 20090287064
    Abstract: A computer implemented method for cognitive testing, specifically for dementia-related afflictions. The method is administered on a computer workstation in an interactive, web-based format and screens the cognitive abilities of the patient. The method includes evaluation of five areas of cognitive domain including visuospatial skills and executive function by means of a clock face test, memory, verbal fluency, attention, and orientation, all of which are essential for indications of dementia, including Alzheimer's disease and other cognitive afflictions. The method does not require administration by a trained professional, but rather, is administered in a web browser either from a server to the workstation via the Internet or locally at the workstation.
    Type: Application
    Filed: May 15, 2008
    Publication date: November 19, 2009
    Applicant: MEDICAL INTERACTIVE EDUCATION, LLC
    Inventors: John H. Dougherty, Jr., Andrew Dougherty
  • Patent number: D884036
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: May 12, 2020
    Assignee: Dougherty Forestry Manufacturing, Ltd. Co.
    Inventors: Patrick Dougherty, James Andrew Dougherty