Patents by Inventor David DEMARATOS

David DEMARATOS 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: 11381030
    Abstract: A method for reducing the effect of electromagnetic interference (EMI), providing EMI protection to a connector assembly, using at least one vertical disk ferrule. The method includes steps of providing a flared portion, first portion, of a wire shield to at least a vertical disk ferrule, or affixing between two of said vertical disk ferrules. Further, one of a step of providing a ferrule having a face which contacts a metallic connector housing directly; or providing the flared portion of the wire shield which contacts said metallic connector housing directly; wherein said EMI is conducted from said metallic connector housing to said ferrule or flared portion, further conducting said EMI to said flared portion of the wire shield, further conducting said EMI through a second portion of said wire shield, further conducting said EMI to ground; said EMI being generated by at least the metallic connector housing.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: July 5, 2022
    Assignee: J.S.T. CORPORATION
    Inventors: David Demaratos, Joshua Taylor
  • Patent number: 11339823
    Abstract: A sealing system and a method for sealing a metal fastener and members having dissimilar metals for a header connector or a connector device from electrolyte in an area where, in the header connector or the connector device, certain dissimilar metals may be in contact. The metal fastener and other adjoining or abutting dissimilar metals are sealed by a non-conductive seal from electrolyte, thereby protecting the metal fastener and the other adjoining or abutting dissimilar metals from galvanic corrosion and subsequently protecting the integrity of the header connector or the connector device.
    Type: Grant
    Filed: April 14, 2019
    Date of Patent: May 24, 2022
    Assignee: J.S.T. CORPORATION
    Inventor: David Demaratos
  • Patent number: 11245218
    Abstract: A method for improving clearance and creepage in a male high voltage connector assembly using a male terminal position assurance (TPA) device. The male high voltage connector assembly is highly suitable for high voltage electrical terminals, which are larger terminals. The method includes a step of allowing a clearance and creepage or electrical path to extend from at least a high voltage electrical terminal to a male outer housing of the high voltage connector assembly. When the TPA device is inserted and locked within a male inner housing of the high voltage connector assembly, the clearance and creepage or electrical path extends from the high voltage electrical terminal along at least a surface of the TPA device and to the male outer housing of the high voltage connector assembly. The male TPA device includes wing-like shape members with intermediate members that extend substantially and respectively downward from the wing-like shape members.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: February 8, 2022
    Assignee: J.S.T. CORPORATION
    Inventors: David Demaratos, Frank Holub
  • Publication number: 20220021153
    Abstract: A manufacturing method for assembling a high voltage vertical disk ferrule, the ferrule being stamped and having a vertical disk-like structure, which is not necessarily round or does not necessarily have any roundness. The high voltage disk ferrule has an opening residing and traveling over the wire core and/or a wire braided shield, to which an end portion of the wire braided shield is affixed thereto the ferrule, or between two ferrules, such that a portion of the wire braided shield is flared and substantially perpendicular to the direction along which the wire core extends. The high voltage vertical disk ferrule slides over the core insulation, towards the outer insulation when the wire is pushed. The end portion/flared portion of the braided shield and the high voltage vertical disk ferrule, or the end portion/flared portion of the braided shield between at least two high voltage vertical disk ferrules are soldered, welded, or brazed together.
    Type: Application
    Filed: July 2, 2021
    Publication date: January 20, 2022
    Applicant: J.S.T. CORPORATION
    Inventors: David DEMARATOS, Josh TAYLOR
  • Publication number: 20220021152
    Abstract: A high voltage vertical disk ferrule, and method for assembling thereof, the ferrule being stamped and having a vertical disk-like structure, which is not necessarily round or does not necessarily have any roundness. The high voltage vertical disk ferrule has an opening residing and traveling over the wire core and/or a wire braided shield, to which an end portion of the wire braided shield is affixed to the ferrule, or between two ferrules, such that a portion of the wire braided shield is flared and substantially perpendicular to the direction along which the wire core extends. The high voltage vertical disk slides over the core insulation, and towards the outer insulation when the wire is pushed. The wire braided shield develops a natural spring force against the ferrule, and causes it to be accordioned, pleated, or folded against itself, and therefore pushes the vertical disk ferrule forward.
    Type: Application
    Filed: November 23, 2020
    Publication date: January 20, 2022
    Applicant: J.S.T. CORPORATION
    Inventors: David DEMARATOS, Josh TAYLOR
  • Publication number: 20220021161
    Abstract: A method for reducing the effect of electromagnetic interference (EMI), providing EMI protection to a connector assembly, using at least one vertical disk ferrule. The method includes steps of providing a flared portion, first portion, of a wire shield to at least a vertical disk ferrule, or affixing between two of said vertical disk ferrules. Further, one of a step of providing a ferrule having a face which contacts a metallic connector housing directly; or providing the flared portion of the wire shield which contacts said metallic connector housing directly; wherein said EMI is conducted from said metallic connector housing to said ferrule or flared portion, further conducting said EMI to said flared portion of the wire shield, further conducting said EMI through a second portion of said wire shield, further conducting said to ground; said EMI being generated by at least the metallic connector housing.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 20, 2022
    Applicant: J.S.T. CORPORATION
    Inventors: David DEMARATOS, Joshua TAYLOR
  • Patent number: 11183804
    Abstract: A connector position assurance (CPA) member for assuring the engagement of a first connector housing with a second connector housing. The CPA member includes terminals which can conduct electricity through a conductor in the second connector housing when the CPA member is at a full-lock position, due to a closed electrical circuit. The terminals of the CPA member cannot conduct electricity through the conductor in the second connector housing when the CPA member is at a pre-lock position due to an open electrical circuit.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: November 23, 2021
    Assignee: J.S.T. CORPORATION
    Inventor: David Demaratos
  • Patent number: 11133619
    Abstract: A method for improving clearance and creepage in a high voltage connector assembly using a female terminal position assurance (TPA) device. The female housing in this invention is highly suitable for high voltage electrical terminals, which are larger terminals. The female TPA device in this invention includes two frontward extending members, while the female housing includes a front portion for terminals to reside. With the above-described characteristics of this invention, the creepage and the clearance of an electrical path between one terminal to another terminal are advantageously increased. The electrical path one of the a electric high voltage electrical terminal to another high voltage electrical terminal extending along the front portion of the female housing and between the front downward extending members of the frontward extending members of the female TPA device.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: September 28, 2021
    Assignee: J.S.T. CORPORATION
    Inventor: David Demaratos
  • Patent number: 10923860
    Abstract: A connector assembly for connecting to a device which, when in operation, experiences reduced or suppressed EMI. The EMI flow path, generated by, e.g., at least a battery cable assembly or the like, housed within at least a male connector assembly or a female connector assembly, is conducted through at least an electrically conductive housing and an electrically conductive seal.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: February 16, 2021
    Assignee: J.S.T. CORPORATION
    Inventor: David Demaratos
  • Patent number: 10923847
    Abstract: A male terminal position assurance (TPA) device for a male connector assembly, preferably for a high voltage connector assembly. The male TPA has a substantially wing-like shaped upper member that respectively locks terminals inside a male inner housing, and further has a flexible arm member, in a lower member thereof, that locks the male TPA device in the male inner housing. The male TPA device does not lock inside the male inner housing if it detects that the corresponding terminal has not been fully inserted or installed into the male inner housing. The male inner housing includes a primarily lock for locking the terminal, while the male TPA device, when in full-lock position, provides for a secondary lock for locking the terminal inside the inner housing. When in the full-lock position inside the male inner housing, the male TPA device assures that the necessary retention forces are provided to ensure that the terminal remains fully locked within the male connector assembly.
    Type: Grant
    Filed: April 20, 2019
    Date of Patent: February 16, 2021
    Assignee: J.S.T. CORPORATION
    Inventors: David Demaratos, Frank Holub
  • Patent number: 10892579
    Abstract: A female terminal position assurance (TPA) device provides essential secondary locks resulting in much higher retention forces in assuring that the terminals remain locked inside a female housing. The female TPA device also provides the needed detection if the terminals are not fully inserted or installed inside the female housing so that if such a detection is made, the secondary locks provided by the female TPA device do not occur. That is, once it is detected that the terminals have been fully inserted into the female housing and that the primary locks for the terminals inside the female housing have occurred, the female TPA device is able to be inserted into the female housing and thereby provide the secondary locks for the terminals for a much higher assurance that the terminals remain locked inside the female housing. The female TPA device further includes multiple locks with the female housing, while the female TPA device is in a pre-lock position or a full-lock position inside the female housing.
    Type: Grant
    Filed: April 20, 2019
    Date of Patent: January 12, 2021
    Assignee: J.S.T. CORPORATION
    Inventor: David Demaratos
  • Patent number: 10804655
    Abstract: A method for reducing the effect of electromagnetic interference (EMI) to provide EMI protection to a connector assembly having at least one electrically conductive seal, a female connector assembly, and a male connector assembly. The method for reducing the effect of the EMI in the connector assembly includes the steps of: conducting the EMI, generated by at least a wire housed within the connector assembly (or other source), to a corresponding wire shielding that respectively surrounds the wire and to a corresponding crimped ferrule that surrounds the wire shielding; conducting the EMI through the female connector assembly and through the male connector assembly; and ultimately conducting the EMI to a housing of a device onto which the conductor assembly is connected or mounted.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: October 13, 2020
    Assignee: J.S.T. CORPORATION
    Inventor: David Demaratos
  • Publication number: 20200280150
    Abstract: A method for reducing the effect of electromagnetic interference (EMI) to provide EMI protection to a connector assembly having at least one electrically conductive seal, a female connector assembly, and a male connector assembly. The method for reducing the effect of the EMI in the connector assembly includes the steps of: conducting the EMI, generated by at least a wire housed within the connector assembly (or other source), to a corresponding wire shielding that respectively surrounds the wire and to a corresponding crimped ferrule that surrounds the wire shielding; conducting the EMI through the female connector assembly and through the male connector assembly; and ultimately conducting the EMI to a housing of a device onto which the conductor assembly is connected or mounted.
    Type: Application
    Filed: June 20, 2019
    Publication date: September 3, 2020
    Applicant: J.S.T. CORPORATION
    Inventor: David DEMARATOS
  • Publication number: 20200274281
    Abstract: A method for improving clearance and creepage in a high voltage connector assembly using a female terminal position assurance (TPA) device. The female housing in this invention is highly suitable for high voltage electrical terminals, which are larger terminals. The female TPA device in this invention includes two frontward extending members, while the female housing includes a front portion for terminals to reside. With the above-described characteristics of this invention, the creepage and the clearance of an electrical path between one terminal to another terminal are advantageously increased. The electrical path one of the a electric high voltage electrical terminal to another high voltage electrical terminal extending along the front portion of the female housing and between the front downward extending members of the frontward extending members of the female TPA device.
    Type: Application
    Filed: April 22, 2020
    Publication date: August 27, 2020
    Applicant: J.S.T. CORPORATION
    Inventor: David DEMARATOS
  • Publication number: 20200274297
    Abstract: A connector assembly for connecting to a device which, when in operation, experiences reduced or suppressed EMI. The EMI flow path, generated by, e.g., at least a battery cable assembly or the like, housed within at least a male connector assembly or a female connector assembly, is conducted through at least an electrically conductive housing and an electrically conductive seal.
    Type: Application
    Filed: August 8, 2019
    Publication date: August 27, 2020
    Applicant: J.S.T. CORPORATION
    Inventor: David DEMARATOS
  • Publication number: 20200274282
    Abstract: A male terminal position assurance (TPA) device for a male connector assembly, preferably for a high voltage connector assembly. The male TPA has a substantially wing-like shaped upper member that respectively locks terminals inside a male inner housing, and further has a flexible arm member, in a lower member thereof, that locks the male TPA device in the male inner housing. The male TPA device does not lock inside the male inner housing if it detects that the corresponding terminal has not been fully inserted or installed into the male inner housing. The male inner housing includes a primarily lock for locking the terminal, while the male TPA device, when in full-lock position, provides for a secondary lock for locking the terminal inside the inner housing. When in the full-lock position inside the male inner housing, the male TPA device assures that the necessary retention forces are provided to ensure that the terminal remains fully locked within the male connector assembly.
    Type: Application
    Filed: April 20, 2019
    Publication date: August 27, 2020
    Applicant: J.S.T. CORPORATION
    Inventors: David DEMARATOS, Frank HOLUB
  • Publication number: 20200274280
    Abstract: A female terminal position assurance (TPA) device provides essential secondary locks resulting in much higher retention forces in assuring that the terminals remain locked inside a female housing. The female TPA device also provides the needed detection if the terminals are not fully inserted or installed inside the female housing so that if such a detection is made, the secondary locks provided by the female TPA device do not occur. That is, once it is detected that the terminals have been fully inserted into the female housing and that the primary locks for the terminals inside the female housing have occurred, the female TPA device is able to be inserted into the female housing and thereby provide the secondary locks for the terminals for a much higher assurance that the terminals remain locked inside the female housing. The female TPA device further includes multiple locks with the female housing, while the female TPA device is in a pre-lock position or a full-lock position inside the female housing.
    Type: Application
    Filed: April 20, 2019
    Publication date: August 27, 2020
    Applicant: J.S.T. CORPORATION
    Inventor: David DEMARATOS
  • Publication number: 20200274303
    Abstract: A method for shielding and grounding a connector assembly from electromagnetic interference (EMI) including at least one of a step of directing the EMI to at least an electrically conducting seal, and a step of directing the EMI to at least a male/female joint stamped shield. The EMI, generated by, e.g., at least a battery cable assembly or the like, housed within at least a male connector assembly or a female connector assembly of the connector assembly, has a flow path that is conducted through at least the electrically conductive seal and the male/female joint stamped shield of the connector assembly.
    Type: Application
    Filed: September 26, 2019
    Publication date: August 27, 2020
    Applicant: J.S.T. CORPORATION
    Inventor: David DEMARATOS
  • Publication number: 20200274283
    Abstract: A method for improving clearance and creepage in a male high voltage connector assembly using a male terminal position assurance (TPA) device. The male high voltage connector assembly is highly suitable for high voltage electrical terminals, which are larger terminals. The method includes a step of allowing a clearance and creepage or electrical path to extend from at least a high voltage electrical terminal to a male outer housing of the high voltage connector assembly. When the TPA device is inserted and locked within a male inner housing of the high voltage connector assembly, the clearance and creepage or electrical path extends from the high voltage electrical terminal along at least a surface of the TPA device and to the male outer housing of the high voltage connector assembly. The male TPA device includes wing-like shape members with intermediate members that extend substantially and respectively downward from the wing-like shape members.
    Type: Application
    Filed: April 21, 2020
    Publication date: August 27, 2020
    Applicant: J.S.T. CORPORATION
    Inventors: David DEMARATOS, Frank HOLUB
  • Publication number: 20200049191
    Abstract: A sealing system and a method for sealing a metal fastener and members having dissimilar metals for a header connector or a connector device from electrolyte in an area where, in the header connector or the connector device, certain dissimilar metals may be in contact. The metal fastener and other adjoining or abutting dissimilar metals are sealed by a non-conductive seal from electrolyte, thereby protecting the metal fastener and the other adjoining or abutting dissimilar metals from galvanic corrosion and subsequently protecting the integrity of the header connector or the connector device.
    Type: Application
    Filed: April 14, 2019
    Publication date: February 13, 2020
    Applicant: J.S.T. CORPORATION
    Inventor: David DEMARATOS