Patents by Inventor Charlie Zhang

Charlie Zhang 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: 11931913
    Abstract: A cutting tool includes a base with a table surface and a cutting platform. The cutting platform is suspended above the table surface and includes a blade housing. The blade housing includes a blade holder with a linear blade. The blade holder is slidably connected through the base housing. A housing column is configured on the base of the cutting tool. A handle raises and lowers the blade. A guide rail is pivotally connected to the table surface by at least one releasable guide rail connector. The guide rail is releasably locked with respect to the blade at a plurality of angles.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: March 19, 2024
    Assignee: D-CUT PRODUCTS, INC.
    Inventor: Charlie Zhang
  • Publication number: 20230333001
    Abstract: Systems and methods for flow cytometry. The methods comprise: labeling cells of a sample with Raman tags; causing the sample to flow through a microfluidic channel of a flow cytometer through which a laser beam passes; detecting Raman signals emitted from the Raman tags while being illuminated by the laser beam; and determining characteristics of the cells based on the detected Raman signals.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 19, 2023
    Inventors: Kotaro Hiramatsu, Ryo Nishiyama, Keisuke Goda, Kosuke Dodo, Shintaro Kawamura, Mikiko Sodeoka, Hideyusi Suzuki, Charlie Zhang, William Yang Terziyan
  • Publication number: 20230118139
    Abstract: A cutting tool includes a base having a table surface. The table surface has a circular turntable and a cutting platform connected with respect to the circular turntable. The cutting platform is rotatable about an axis of the circular turntable. At least one connector releasably locks the cutting platform to the turntable at a number of positions about the axis. A blade housing and blade are suspended above the cutting platform. A handle is attached to the cutting tool to raise and lower the blade. The handle is rotatably supported by a cam integrated with the blade housing.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 20, 2023
    Applicant: D-CUT PRODUCTS, INC.
    Inventor: Charlie ZHANG
  • Publication number: 20230123685
    Abstract: A cutting tool includes a base with a table surface and a cutting platform. The cutting platform is suspended above the table surface and includes a blade housing. The blade housing includes a blade holder with a linear blade. The blade holder is slidably connected through the base housing. A housing is configured on the base of the cutting tool. The housing includes a housing platform and a housing cover, which are supported by two housing side pieces. A handle raises and lowers the blade. A guide rail is pivotally connected to the table surface by at least one releasable guide rail connector. The guide rail is releasably locked with respect to the blade at a plurality of angles.
    Type: Application
    Filed: March 10, 2022
    Publication date: April 20, 2023
    Applicant: D-CUT PRODUCTS, INC.
    Inventor: Charlie ZHANG
  • Publication number: 20230122285
    Abstract: A cutting tool includes a base with a table surface and a cutting platform. The cutting platform is suspended above the table surface and includes a blade housing. The blade housing includes a blade holder with a linear blade. The blade holder is slidably connected through the base housing. A housing column is configured on the base of the cutting tool. A handle raises and lowers the blade. A guide rail is pivotally connected to the table surface by at least one releasable guide rail connector. The guide rail is releasably locked with respect to the blade at a plurality of angles.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 20, 2023
    Applicant: D-CUT PRODUCTS, INC.
    Inventor: Charlie ZHANG
  • Patent number: 10994435
    Abstract: A portable tool for scoring a surface of a flexible building material. The tool includes a base receiving a hinged guide for securing the flexible building material. A platform with a blade is slidable relative to the base from a starting position to an end position to score the flexible building material.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: May 4, 2021
    Assignee: D-CUT PRODUCTS, INC.
    Inventor: Charlie Zhang
  • Patent number: 10814510
    Abstract: A cutting tool for cutting flexible building materials, such as, for example, rubber or vinyl baseboards, chair rails and crown molding, at an angle. The cutting tool includes a pair of risers moveably connected near a center of a base with a hinge connection. A blade holder and blade positioned between the risers and moveable from a starting position to a cutting position. The blade can be set to a range of angles relative to the base by rotating the risers and locking the risers in an angle relative to the base.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: October 27, 2020
    Assignee: D-CUT PRODUCTS, INC.
    Inventor: Charlie Zhang
  • Patent number: 10434672
    Abstract: A cutting tool for cutting building materials at a range of angles from vertical and/or horizontal and with an additional adjustment mechanism for adjusting the cutting angle up or down by a small angle. More specifically, this invention relates to a cutting tool including a base, a support surface, and a cutting platform, where the cutting platform can be set at a plurality of angles to the base including, but not limited to, angles of 22.5°, 30°, 45°, and 90°, and the support surface can be angled slightly up or down by a small amount, for example 1° or 2°, to slightly adjust an angle of the cut.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 8, 2019
    Assignee: D-CUT PRODUCTS, INC.
    Inventor: Charlie Zhang
  • Publication number: 20190105790
    Abstract: A portable tool for scoring a surface of a flexible building material. The tool includes a base receiving a hinged guide for securing the flexible building material. A platform with a blade is slidable relative to the base from a starting position to an end position to score the flexible building material.
    Type: Application
    Filed: October 11, 2018
    Publication date: April 11, 2019
    Applicant: D-Cut Products, Inc.
    Inventor: Charlie ZHANG
  • Publication number: 20190030739
    Abstract: A cutting tool for cutting flexible building materials, such as, for example, rubber or vinyl baseboards, chair rails and crown molding, at an angle. The cutting tool includes a pair of risers moveably connected near a center of a base with a hinge connection. A blade holder and blade positioned between the risers and moveable from a starting position to a cutting position. The blade can be set to a range of angles relative to the base by rotating the risers and locking the risers in an angle relative to the base.
    Type: Application
    Filed: October 2, 2018
    Publication date: January 31, 2019
    Applicant: D-CUT PRODUCTS, INC.
    Inventor: Charlie ZHANG
  • Publication number: 20190030747
    Abstract: A cutting tool for cutting building materials at a range of angles from vertical and/or horizontal and with an additional adjustment mechanism for adjusting the cutting angle up or down by a small angle. More specifically, this invention relates to a cutting tool including a base, a support surface, and a cutting platform, where the cutting platform can be set at a plurality of angles to the base including, but not limited to, angles of 22.5°, 30°, 45°, and 90°, and the support surface can be angled slightly up or down by a small amount, for example 1° or 2°, to slightly adjust an angle of the cut.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 31, 2019
    Applicant: D-CUT PRODUCTS, INC.
    Inventor: Charlie ZHANG
  • Patent number: 10086524
    Abstract: A cutting tool for cutting flexible building materials, such as, for example, rubber or vinyl baseboards, chair rails and crown molding, at an angle. The cutting tool includes a pair of risers moveably connected near a center of a base with a hinge connection. A blade holder and blade positioned between the risers and moveable from a starting position to a cutting position. The blade can be set to a range of angles relative to the base by rotating the risers and locking the risers in an angle relative to the base.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: October 2, 2018
    Assignee: D-CUT PRODUCTS, INC.
    Inventor: Charlie Zhang
  • Publication number: 20180207734
    Abstract: A portable, non-power operated cutting tool for cutting siding materials in a straight fashion without splintering or cracking. The cutting tool including a base with a cutting platform rotably connected to the base allowing the cutting platform to be set to cut siding at a range of angles from 0° to 180°.
    Type: Application
    Filed: January 23, 2018
    Publication date: July 26, 2018
    Inventor: Charlie ZHANG
  • Publication number: 20180200913
    Abstract: A cutting tool for cutting materials with a straight perpendicular cut, an angled cut, a length-wise cut, and/or a notched cut. The cutting tool including a base, a pair of supports, a cam pivotally connected to the pair of supports, and a blade holder and a blade positioned between the cam and the base, where the blade holder and the blade are slideable from a first cutting position to a second cutting position for cutting notches and other shapes into the flooring materials.
    Type: Application
    Filed: August 24, 2017
    Publication date: July 19, 2018
    Inventor: Charlie ZHANG
  • Publication number: 20170312930
    Abstract: A cutting tool for cutting sheets of materials, such as, for example, sheets of building materials. The cutting tool includes a working table with a support surface. The working table includes a slot extending through the support surface. The cutting tool further includes a handle and blade pivotally engaged with respect to the working table between an open position and a closed position. The cutting tool further includes a guide rail that can be connected to the base in a plurality of positions relative to a cutting plane of the blade include a parallel position and a perpendicular position.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 2, 2017
    Applicant: D-CUT PRODUCTS, INC.
    Inventor: Charlie ZHANG
  • Publication number: 20160263759
    Abstract: A cutting tool for cutting flexible building materials, such as, for example, rubber or vinyl baseboards, chair rails and crown molding, at an angle. The cutting tool includes a pair of risers moveably connected near a center of a base with a hinge connection. A blade holder and blade positioned between the risers and moveable from a starting position to a cutting position. The blade can be set to a range of angles relative to the base by rotating the risers and locking the risers in an angle relative to the base.
    Type: Application
    Filed: April 29, 2016
    Publication date: September 15, 2016
    Applicant: D-CUT PRODUCTS, INC.
    Inventor: Charlie Zhang
  • Publication number: 20160144522
    Abstract: A cutting tool for cutting flexible building materials, such as, for example, rubber or vinyl baseboards, chair rails and crown molding, at an angle. The cutting tool includes a base connected to a pair of risers with a hinge connection and a blade holder and blade positioned between the risers. The blade can be set to a range of angles relative to the base by rotating the risers.
    Type: Application
    Filed: February 2, 2016
    Publication date: May 26, 2016
    Inventor: Charlie ZHANG
  • Patent number: 9180600
    Abstract: A cutting tool for cutting sheets of building materials, such as, for example, laminate baseboards, chair rails and crown molding, at an angle. The cutting tool includes a base connected to a cutting platform with a hinge connection. The cutting platform further includes a blade that can be moved downward on the cutting platform to cut the building material. The hinge connection allows the cutting platform to be angled relative to the base to cut the building material at a range of angles from 0°, vertical, to 60° or more.
    Type: Grant
    Filed: December 7, 2012
    Date of Patent: November 10, 2015
    Assignee: D-Cut Products, Inc.
    Inventor: Charlie Zhang
  • Publication number: 20150151444
    Abstract: A portable, non-power operated cutting tool for cutting sheets of building materials in a straight fashion without splintering or cracking. The cutting tool includes a base, a blade holder with a blade, a handle with an eccentric cam rotatably connected to the base, and a support arm to hold the building material against the base, where the blade holder moves between an open position and a closed position by rotating the eccentric cam.
    Type: Application
    Filed: February 3, 2015
    Publication date: June 4, 2015
    Applicant: D-Cut Products, Inc.
    Inventor: Charlie ZHANG
  • Publication number: 20150143969
    Abstract: A cutting tool for cutting sheets of building materials, such as, for example, laminate baseboards, chair rails and crown molding, at an angle. The cutting tool includes a base connected to a cutting platform with a hinge connection. The cutting platform can be set to a range of angles relative to the base by a cutting platform actuator. The cutting platform further includes a blade that can be moved downward on the cutting platform to cut the building material.
    Type: Application
    Filed: February 3, 2015
    Publication date: May 28, 2015
    Inventor: Charlie ZHANG