Patents by Inventor Craig Joseph Wojciechowski

Craig Joseph 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).

  • Spray tip and method of manufacture
    Patent number: 11813619
    Abstract: A spray tip comprises a tip body, a tip piece, and a pre-orifice piece. The tip body has a fluid channel along a channel axis (AC). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage that terminates in an outlet orifice. The pre-orifice piece has an inlet passage, and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber therebetween.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: November 14, 2023
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson
  • SPRAY TIP AND METHOD OF MANUFACTURE
    Publication number: 20220184642
    Abstract: A spray tip comprises a tip body, a tip piece, and a pre-orifice piece. The tip body has a fluid channel along a channel axis (AC). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage that terminates in an outlet orifice. The pre-orifice piece has an inlet passage, and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber therebetween.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 16, 2022
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson
  • Spray tip and method of manufacture
    Patent number: 11292015
    Abstract: A spray tip comprises a tip body, a tip piece, and a pre-orifice piece. The tip body has a fluid channel along a channel axis (AC). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage that terminates in an outlet orifice. The pre-orifice piece has an inlet passage, and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber therebetween.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: April 5, 2022
    Assignee: Graco Minnesota Inc.
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson
  • SPRAY TIP AND METHOD OF MANUFACTURE
    Publication number: 20200139384
    Abstract: A spray tip comprises a tip body, a tip piece, and a pre-orifice piece. The tip body has a fluid channel along a channel axis (AC). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage that terminates in an outlet orifice. The pre-orifice piece has an inlet passage, and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber therebetween.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson
  • Spray tip and method of manufacture
    Patent number: 10525486
    Abstract: A spray tip (22) comprises a tip body (100), a tip piece (102), and a pre-orifice piece (104). The tip body has a fluid channel (114) along a channel axis (Ac). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage (124) that terminates in an outlet orifice (24). The pre-orifice piece has an inlet passage (112), and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber (106) therebetween.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: January 7, 2020
    Assignee: Graco Minnesota Inc.
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson
  • Spray tip and method of manufacture
    Patent number: 9675982
    Abstract: A spray tip comprises a tip body, a tip piece, and a pre-orifice piece. The tip body has a fluid channel along a channel axis (AC). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage that terminates in an outlet orifice. The pre-orifice piece has an inlet passage, and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber therebetween.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: June 13, 2017
    Assignee: Graco Minnesota Inc.
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson
  • SPRAY TIP AND METHOD OF MANUFACTURE
    Publication number: 20170072410
    Abstract: A spray tip comprises a tip body, a tip piece, and a pre-orifice piece. The tip body has a fluid channel along a channel axis (AC). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage that terminates in an outlet orifice. The pre-orifice piece has an inlet passage, and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber therebetween.
    Type: Application
    Filed: November 28, 2016
    Publication date: March 16, 2017
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson
  • SPRAY TIP AND METHOD OF MANUFACTURE
    Publication number: 20160228883
    Abstract: A spray tip (22) comprises a tip body (100), a tip piece (102), and a pre-orifice piece (104). The tip body has a fluid channel (114) along a channel axis (Ac). The tip piece is disposed within the fluid channel, and has a stepped, narrowing passage (124) that terminates in an outlet orifice (24). The pre-orifice piece has an inlet passage (112), and is disposed within the fluid channel, abutting and immediately upstream of the tip piece. The pre-orifice piece and the tip piece together define a turbulating chamber (106) therebetween.
    Type: Application
    Filed: September 16, 2014
    Publication date: August 11, 2016
    Applicant: GRACO MINNESOTA INC.
    Inventors: Steven Dale Becker, Diane Leigh Olson, Craig Joseph Wojciechowski, David John Thompson