Patents by Inventor Robert W. Duyckinck

Robert W. Duyckinck 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).

  • Two stage transition input section for dust collectors
    Patent number: 5030261
    Abstract: An improved gas stream inlet construction for industrial dust collectors such as fabric filter type collectors that includes a first transition section in which an incoming high velocity gas stream is reduced in velocity and delivered to a second transition section in a second flow direction substantially perpendicular to the incoming first flow direction and wherein it is further reduced in velocity and is delivered therefrom in a third flow direction substantially perpendicular to both the first and second flow directions.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: July 9, 1991
    Inventors: Giambattista Giusti, Robert W. Duyckinck
  • Gas inlet construction for fabric filter dust collections
    Patent number: 4883510
    Abstract: An improved gas stream inlet construction for industrial dust collecting apparatus such as fabric type gas filters that includes at least one velocity reducing transition section employing a selectively positioned expanded metal grid as a flow diverting and gas stream diffusing device located at the exit port thereof.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: November 28, 1989
    Inventors: Giambattista Giusti, Robert W. Duyckinck
  • Multi stage gas inlet construction for dust collectors
    Patent number: 4883509
    Abstract: An improved gas stream inlet construction for industrial gas treating apparatus such as fabric type dust collectors that includes two series arranged velocity reducing transition sections employing expanded metal grids as flow diverting and gas stream diffusing device as the exit ports therefrom.
    Type: Grant
    Filed: February 12, 1988
    Date of Patent: November 28, 1989
    Inventors: Giambattista Giusti, Robert W. Duyckinck
  • Analytic sieving apparatus
    Patent number: 4681676
    Abstract: Improved sieving apparatus for size analysis of dry powder having a sample chamber floored by a sieving screen and an underlying fines chamber adapted to be mated in fluid communication therewith. Disposed beneath the screen is a jet emitting rotor of selective configuration adapted to emit an upwardly directed air jet curtain to repeatedly sweep the underside of the screen to both improve the screening action and to reduce the required time therefore.
    Type: Grant
    Filed: March 28, 1985
    Date of Patent: July 21, 1987
    Assignee: Mikropul Corporation
    Inventors: Alfred J. Heidinger, Robert W. Duyckinck
  • Carbon black mill
    Patent number: 4600156
    Abstract: This invention relates to an apparatus for enhancing the fineness of oversized particulate matter entrained in a gas stream by impact with rapidly rotating hammer surfaces and more particularly to an apparatus for reducing the size of minor fractions of oversized particulates entrained in a gas borne stream of particulates, such as carbon black or the like.
    Type: Grant
    Filed: March 13, 1984
    Date of Patent: July 15, 1986
    Inventor: Robert W. Duyckinck
  • Particulate classifying apparatus
    Patent number: 4523990
    Abstract: Apparatus for classifying carrier gas borne particulates including a chamber having a classifying rotor suspended therewithin fed by a jet pump induced transport path of carrier gas in the periphery of said chamber.
    Type: Grant
    Filed: March 13, 1984
    Date of Patent: June 18, 1985
    Assignee: Mikropul Corporation
    Inventor: Robert W. Duyckinck
  • Filter bag assembly
    Patent number: 4073632
    Abstract: An improved filter bag mounting assembly for fabric type dust collectors compositely constituted of a selectively shaped mounting and filter media supporting member adapted for removable insertion in a complementally sized receiving aperture in a tube sheet, a filter media sheathed retainer assembly terminally connected at one end, in releasably latched gas tight relation to the mounting member and a closure plug disposed in the other terminal end of said media sheathed retainer and secured thereto in releasable gas tight latched relation.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: February 14, 1978
    Assignee: United States Filter Corporation
    Inventors: Thomas V. Reinauer, Robert W. Duyckinck, Frank B. Handwork
  • Pulse jet and venturi liner
    Patent number: 3942962
    Abstract: A removably insertable liner of elastically deformable material sized to be disposed within and in interfacially engaged relation with the inner surface of a rigid venturi element.
    Type: Grant
    Filed: May 8, 1974
    Date of Patent: March 9, 1976
    Assignee: U.S. Filter Company
    Inventor: Robert W. Duyckinck