Patents by Inventor Tan Calvin

Tan Calvin 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).

  • Publication number: 20240157538
    Abstract: A hand-held power tool, in particular a screwdriver, includes: an elongate housing in which a drive unit having at least one drive motor for driving a tool receptacle is arranged, the tool receptacle being designed to accommodate an insertion tool; and an activation unit for activating the drive motor, the drive motor being activated by the insertion tool which is located in the tool receptacle acting upon, in particular along a longitudinal axis of the elongate housing, a workpiece to be worked on. The activation unit has a first activation element for activating the drive motor at a first speed and a second activation element for activating the drive motor at a second speed, the first speed being less than the second speed.
    Type: Application
    Filed: March 15, 2022
    Publication date: May 16, 2024
    Inventors: Yen Tiong Tan, Khoo Ming Yang Calvin, Han Hoong Sebastian Chin
  • Patent number: 9970661
    Abstract: This invention relates to portable cooking stoves and in particular, to lightweight, flat-packable stoves that are easily deployed into the cooking arrangement and that have an integrated cooking chamber. The integrated food chamber should be capable of holding sufficient water to be boiled for a drink, or to heat sufficient food to provide for a hot meal for one person. The cooking stoves of the present invention are intended primarily for outdoor leisure pursuits such as backpacking, hiking and camping, as well as serving humanitarian and military dismounted soldier needs.
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: May 15, 2018
    Assignee: Standard Brands (UK) Limited
    Inventor: Tan Calvin
  • Publication number: 20160195276
    Abstract: This invention relates to portable cooking stoves and in particular, to lightweight, flat-packable stoves that are easily deployed into the cooking arrangement and that have an integrated cooking chamber. The integrated food chamber should be capable of holding sufficient water to be boiled for a drink, or to heat sufficient food to provide for a hot meal for one person. The cooking stoves of the present invention are intended primarily for outdoor leisure pursuits such as backpacking, hiking and camping, as well as serving humanitarian and military dismounted soldier needs.
    Type: Application
    Filed: April 17, 2014
    Publication date: July 7, 2016
    Inventor: Tan Calvin