Patents by Inventor Robert H. Lazebnik

Robert H. Lazebnik 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).

  • Barrel fan with enclosed motor
    Patent number: 6474956
    Abstract: A barrel fan for the heavy duty circulation of air at the floor level consisting of a cylindrical tubular housing having a guarded rotating propeller blade therein. The blade is driven by a belt connected to an electric motor located on the lower exterior portion of the housing preferably shielded by a skirt in ventilating communication with the housing interior for motor cooling purposes. The motor is pivotally mounted and a spring interposed between the motor and housing maintains the tension within the belt.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: November 5, 2002
    Assignee: Airmaster Fan Company
    Inventors: James L. Davis, Robert H. Lazebnik, Stanley J. Riske
  • Barrel fan with enclosed motor
    Publication number: 20020106286
    Abstract: A barrel fan for the heavy duty circulation of air at the floor level consisting of a cylindrical tubular housing having a guarded rotating propeller blade therein. The blade is driven by a belt connected to an electric motor located on the lower exterior portion of the housing preferably shielded by a skirt in ventilating communication with the housing interior for motor cooling purposes. The motor is pivotally mounted and a spring interposed between the motor and housing maintains the tension within the belt.
    Type: Application
    Filed: February 2, 2001
    Publication date: August 8, 2002
    Inventors: James L. Davis, Robert H. Lazebnik, Stanley J. Riske
  • Low profile shrouded fan system
    Patent number: 4657478
    Abstract: A belt-driven fan characterized by its concise axial relationship of components. A shroud includes a planar apron and a tubular throat intersecting the apron. Linear support members attached to the apron support an electric motor and blade assembly bearing structure. The motor is mounted upon a bracket attached to the support members for selective assembly thereon between operating and shipping positions and with the bracket in the shipping position the electric motor is primarily located within the shroud throat.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: April 14, 1987
    Assignee: Airmaster Fan Company
    Inventors: Robert H. LaZebnik, Frank E. Breining, Martin J. Toland