Patents by Inventor Charles Engelstein

Charles Engelstein 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: 11018394
    Abstract: A top loading battery holder that is arranged in direct contact with a surface (e.g., circuit board) to allow for a battery to be arranged directly within the holder and in electrical contact with the surface. The battery holder can include a housing that is configured to at least substantially surround a battery that is arranged therein and a plurality of a flanges and/or protrusions that are configured to extend inwardly from the housing to aid in securing the battery within the housing.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: May 25, 2021
    Assignee: MEMORY PROTECTION DEVICES, INC.
    Inventors: Thomas Blaha, Charles Engelstein
  • Publication number: 20190273229
    Abstract: A top loading battery holder that is arranged in direct contact with a surface (e.g., circuit board) to allow for a battery to be arranged directly within the holder and in electrical contact with the surface. The battery holder can include a housing that is configured to at least substantially surround a battery that is arranged therein and a plurality of a flanges and/or protrusions that are configured to extend inwardly from the housing to aid in securing the battery within the housing.
    Type: Application
    Filed: May 16, 2019
    Publication date: September 5, 2019
    Inventors: Thomas BLAHA, Charles ENGELSTEIN
  • Patent number: 10333116
    Abstract: A top loading battery holder that is arranged in direct contact with a surface (e.g., circuit board) to allow for a battery to be arranged directly within the holder and in electrical contact with the surface. The battery holder can include a housing that is configured to at least substantially surround a battery that is arranged therein and a plurality of a flanges and/or protrusions that are configured to extend inwardly from the housing to aid in securing the battery within the housing.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: June 25, 2019
    Assignee: MEMORY PROTECTION DEVICES, INC.
    Inventors: Thomas Blaha, Charles Engelstein
  • Publication number: 20180198100
    Abstract: A top loading battery holder that is arranged in direct contact with a surface (e.g., circuit board) to allow for a battery to be arranged directly within the holder and in electrical contact with the surface. The battery holder can include a housing that is configured to at least substantially surround a battery that is arranged therein and a plurality of a flanges and/or protrusions that are configured to extend inwardly from the housing to aid in securing the battery within the housing.
    Type: Application
    Filed: January 11, 2017
    Publication date: July 12, 2018
    Inventors: Thomas BLAHA, Charles ENGELSTEIN
  • Patent number: 9192059
    Abstract: A battery holder for attachment to a printed circuit board includes a base, a positive conductor, a negative conductor and a top. The base is to be fixed to the printed circuit board and the two conductors are fixed to the base. The top includes a window for viewing the polarity of the battery and is selectively attached to the base by a series of latches.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: November 17, 2015
    Assignee: MEMORY PROTECTION DEVICES, INC.
    Inventors: Thomas Blaha, Charles Engelstein
  • Publication number: 20120251864
    Abstract: A battery holder for attachment to a printed circuit board includes a base, a positive conductor, a negative conductor and a top. The base is to be fixed to the printed circuit board and the two conductors are fixed to the base. The top includes a window for viewing the polarity of the battery and is selectively attached to the base by a series of latches.
    Type: Application
    Filed: April 1, 2011
    Publication date: October 4, 2012
    Inventors: Thomas Blaha, Charles Engelstein
  • Patent number: 4495257
    Abstract: A battery holder for a cylinder cell is provided with a casing which receives the cell against its bottom and constrains the cell in a peripheral barrier with resilient contacts at its ends. The holder optionally has terminals projecting through its bottom for printed circuit board mounting or flat terminals with eyelets projecting from the top of the holder. A snap-on cover, which facilitates removal of the battery, can be provided.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: January 22, 1985
    Assignee: Memory Protection Devices, Inc.
    Inventors: Charles Engelstein, David L. Kassel, Harry Goodman
  • Patent number: 4487820
    Abstract: A battery holder for a coin cell provided with a casing which receives the coin cell against its bottom and laterally constrains the cell by a peripheral barrier wall. One pole of the cell is engaged by an electrical contact extending across the casing bottom, and the other pole of the cell is engaged by another electrical contact extending across the cell in resilient contact with the other pole thereof.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: December 11, 1984
    Assignee: Memory Protection Devices, Inc.
    Inventors: Charles Engelstein, David L. Kassel, Harry Goodman