Patents by Inventor Georgi Krastev Petrov

Georgi Krastev Petrov 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).

  • Fluid filter element for circular locking engagement with a filter support
    Patent number: 10926203
    Abstract: A fluid filter element for circular locking engagement with a filter support, the fluid filter element including a filter medium arranged about a longitudinal axis, first and second end caps arranged at opposite cylindrical ends of the filter medium and sealed thereto, at least one locking protrusion located on the second end cap for rotatably locking the fluid filter to the filter support and at least one releasable retainer located on the second end cap and associated with at the at least one locking protrusion for retaining the at least one locking protrusion in locking engagement with the filter support and being operative, when released, to allow rotatable unlocking of the fluid filter element.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: February 23, 2021
    Assignee: A.L. FILTER CO., LTD.
    Inventors: Veselin Stefanov Vichev, Georgi Krastev Petrov
  • FLUID FILTER ELEMENT FOR CIRCULAR LOCKING ENGAGEMENT WITH A FILTER SUPPORT
    Publication number: 20200179840
    Abstract: A fluid filter element for circular locking engagement with a filter support, the fluid filter element including a filter medium arranged about a longitudinal axis, first and second end caps arranged at opposite cylindrical ends of the filter medium and sealed thereto, at least one locking protrusion located on the second end cap for rotatably locking the fluid filter to the filter support and at least one releasable retainer located on the second end cap and associated with at the at least one locking protrusion for retaining the at least one locking protrusion in locking engagement with the filter support and being operative, when released, to allow rotatable unlocking of the fluid filter element.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 11, 2020
    Applicant: A.L. FILTER CO., LTD.
    Inventors: Veselin Stefanov VICHEV, Georgi Krastev Petrov