Patents by Inventor Marin Cvyatkov Marinov

Marin Cvyatkov Marinov 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).

  • Push and turn nut for quick faucet installation
    Patent number: 8231318
    Abstract: A nut and an assembly including such a nut are described herein, wherein the nut includes an outer shell having an outer surface, an inner circumferential surface having a inwardly extending flange, and an upper rim portion; and an insert piece having an upper outwardly extending portion and a plurality of downwardly extending projections, wherein each of the projections has an outer surface and an inner surface, a portion of the inner surfaces of the projections is configured to engage a nut-receiving surface and the outer portion of the projections is configured to engage the inner circumferential surface of the first outer shell such that upon a pushing action of a user the inwardly extending flange on the outer shell presses upwardly on the upper outwardly extending portion of the insert piece so that the portion of the inner surfaces of the projections configured to receive a nut-receiving surface moves outwardly and upon removal of the pushing action, portion of the inner surfaces of the projections con
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: July 31, 2012
    Assignee: AS IP Holdco, L.L.C.
    Inventors: Walter Pitsch, Marin Cvyatkov Marinov
  • Push and Turn Nut for Quick Faucet Installation
    Publication number: 20100272503
    Abstract: A nut and an assembly including such a nut are described herein, wherein the nut includes an outer shell having an outer surface, an inner circumferential surface having a inwardly extending flange, and an upper rim portion; and an insert piece having an upper outwardly extending portion and a plurality of downwardly extending projections, wherein each of the projections has an outer surface and an inner surface, a portion of the inner surfaces of the projections is configured to engage a nut-receiving surface and the outer portion of the projections is configured to engage the inner circumferential surface of the first outer shell such that upon a pushing action of a user the inwardly extending flange on the outer shell presses upwardly on the upper outwardly extending portion of the insert piece so that the portion of the inner surfaces of the projections configured to receive a nut-receiving surface moves outwardly and upon removal of the pushing action, portion of the inner surfaces of the projections con
    Type: Application
    Filed: February 12, 2010
    Publication date: October 28, 2010
    Applicant: AS IP Holdco, L.L.C.
    Inventors: Walter Pitsch, Marin Cvyatkov Marinov
  • Spout arm
    Patent number: D442265
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: May 15, 2001
    Assignee: American Standard International Inc.
    Inventors: Marin Cvyatkov Marinov, Walter Pitsch
  • Spout
    Patent number: D442266
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: May 15, 2001
    Assignee: American Standard International Inc.
    Inventors: Marin Cvyatkov Marinov, Walter Pitsch
  • Spout arm
    Patent number: D478155
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: August 5, 2003
    Assignee: American Standard International Inc.
    Inventors: Marin Cvyatkov Marinov, Walter Pitsch