Patents by Inventor Craig J. Wojciechowski

Craig J. Wojciechowski 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: 20180207662
    Abstract: A spray gun includes a gun body having a front body portion and a spray cap assembly attached to the front body portion of the gun body. The spray cap assembly includes a nozzle assembly and a spray cap positioned over the nozzle assembly. The nozzle assembly includes a nozzle piece configured to attach to the front body portion of the gun body and an air flow guide surrounding the nozzle piece. The spray cap interfaces with the air flow guide. The air flow guide is configured to engage with the nozzle piece so that the air flow guide is prevented from moving past the nozzle piece.
    Type: Application
    Filed: January 22, 2018
    Publication date: July 26, 2018
    Inventors: Kirsten N. Norman, Craig J. Wojciechowski, Diane L. Olson, Dale C. Pemberton
  • Patent number: 9968954
    Abstract: A fluid sprayer comprises a fluid source, a spray tip, a pump, and an outlet check value assembly. The spray tip has a fluid outlet aperture, and the pump is disposed to pump fluid from the fluid source out the fluid outlet aperture. The outlet check valve is disposed between the pump and the spray tip, and includes a sealing element, a seat, and a polymer housing. The seat is aligned to receive the sealing element, and the polymer housing is overmolded about the seat.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: May 15, 2018
    Assignee: Graco Minnesota Inc.
    Inventors: Steven D. Becker, Craig J. Wojciechowski, Harold D. Johnson
  • Patent number: 9815077
    Abstract: A high pressure capable fluid sprayer includes a piston pump, a main pump housing, and a spray tip. The piston pump has a piston disposed to pump a fluid. The spray tip has an outlet aperture configured to atomize and spray the fluid. The main pump housing is formed of compliant plastic and rated for at least 1600 psi, defines a main pump chamber surrounding the piston, and is disposed to receive fluid from a fluid source.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: November 14, 2017
    Assignee: Graco Minnesota Inc.
    Inventors: Steven D. Becker, Craig J. Wojciechowski, Harold D. Johnson
  • Publication number: 20160339462
    Abstract: A fluid sprayer comprises a fluid source, a spray tip, a pump, and an outlet check value assembly. The spray tip has a fluid outlet aperture, and the pump is disposed to pump fluid from the fluid source out the fluid outlet aperture. The outlet check valve is disposed between the pump and the spray tip, and includes a sealing element, a seat, and a polymer housing. The seat is aligned to receive the sealing element, and the polymer housing is overmolded about the seat.
    Type: Application
    Filed: January 20, 2015
    Publication date: November 24, 2016
    Inventors: Steven D. Becker, Craig J. Wojciechowski, Harold D. Johnson
  • Publication number: 20160332178
    Abstract: A high pressure capable fluid sprayer includes a piston pump, a main pump housing, and a spray tip. The piston pump has a piston disposed to pump a fluid. The spray tip has an outlet aperture configured to atomize and spray the fluid. The main as pump housing is formed of compliant plastic and rated for at least 1600 psi, defines a main pump chamber surrounding the piston, and is disposed to receive fluid from a fluid source.
    Type: Application
    Filed: January 20, 2015
    Publication date: November 17, 2016
    Inventors: Steven D. Becker, Craig J. Wojciechowski, Harold D. Johnson
  • Patent number: 9174231
    Abstract: A fluid supply for a liquid sprayer includes a collapsible liner for holding the liquid; a cup for supporting the collapsible liner; a lid for connecting to the cup; and an air relief valve. The collapsible liner is secured relative to the lid and the cup. The lid includes an opening for connecting the lid to the pump.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: November 3, 2015
    Assignee: Graco Minnesota Inc.
    Inventors: Mark D. Shultz, Bradley H. Hines, Craig J. Wojciechowski
  • Publication number: 20120018545
    Abstract: The invention, generally (10), has an injection molded box (12), in which is mounted a small air compressor (14). The modular assembly (16) can be installed in place of the intake filters (18) on an HVLP spray system (20), with the filter componentry (18) being relocated to the air intake side (22) of the compressor package (16).
    Type: Application
    Filed: December 28, 2009
    Publication date: January 26, 2012
    Inventors: Diane L. Olson, Mark D. Shultz, Craig J. Wojciechowski
  • Patent number: D560271
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: January 22, 2008
    Assignee: Graco Minnesota Inc.
    Inventors: Timothy J. Kesti, Philip K. Snider, Dale C. Pemberton, Robert J. Gundersen, Craig J. Wojciechowski, Harold D. Johnson, Diane L. Olson, Jerry D. Horning
  • Patent number: D607968
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: January 12, 2010
    Assignee: Graco Minnesota Inc.
    Inventors: Craig J. Wojciechowski, Diane L. Olson, Katherine J. Grathwohl
  • Patent number: D692095
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: October 22, 2013
    Assignee: Graco Minnesota Inc.
    Inventors: Bradley H. Hines, Mariusz J. Luczak, William M. Blenkush, Mark D. Shultz, Pamela J. Muetzel, Craig J. Wojciechowski