Patents by Inventor David Crowsley

David Crowsley 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).

  • Peristaltic pump and pumphead therefor
    Patent number: 9822775
    Abstract: A peristaltic pumphead comprising a pumphead housing accommodating a pumping tube, an end of the tube being provided with an end fitting having a through passage and an abutment shoulder and a threaded shank extending from the abutment shoulder into the tube the tube end abutting the abutment shoulder and being accommodated in an opening, in the pumphead housing, the abutment shoulder abutting the housing at the opening, and the end fitting being engaged by a retaining element to retain the abutment shoulder against the housing.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: November 21, 2017
    Assignee: Watson-Marlow Limited
    Inventor: David Crowsley
  • PERISTALTIC PUMP AND PUMPHEAD THEREFOR
    Publication number: 20140294634
    Abstract: A peristaltic pumphead comprising a pumphead housing accommodating a pumping tube, an end of the tube being provided with an end fitting having a through passage and an abutment shoulder and a threaded shank extending from the abutment shoulder into the tube the tube end abutting the abutment shoulder and being accommodated in an opening, in the pumphead housing, the abutment shoulder abutting the housing at the opening, and the end fitting being engaged by a retaining element to retain the abutment shoulder against the housing.
    Type: Application
    Filed: May 29, 2012
    Publication date: October 2, 2014
    Applicant: Watson-Marlow Limited
    Inventor: David Crowsley
  • Pump
    Patent number: D710901
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: August 12, 2014
    Assignee: Watson Marlow Limited
    Inventors: Steven Brokenshire, David Crowsley, Oliver Warren
  • Combined pump unit and pump cartridge assembly
    Patent number: D730408
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: May 26, 2015
    Assignee: Watson-Marlow Limited
    Inventors: Steven Brokenshire, David Crowsley, Oliver Warren
  • Pump cartridge
    Patent number: D735241
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: July 28, 2015
    Assignee: Watson-Marlow Limited
    Inventors: Steven Brokenshire, David Crowsley, Oliver Warren
  • Pump cartridge
    Patent number: D766988
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: September 20, 2016
    Assignee: WATSON-MARLOW LIMITED
    Inventors: David Crowsley, Darren Green
  • Pump drive unit
    Patent number: D766989
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: September 20, 2016
    Assignee: WATSON-MARLOW LIMITED
    Inventors: David Crowsley, Darren Green
  • Pump drive unit and cartridge
    Patent number: D766990
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: September 20, 2016
    Assignee: WATSON-MARLOW LIMITED
    Inventors: David Crowsley, Darren Green
  • Fluid pump
    Patent number: D871455
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: December 31, 2019
    Assignee: Watson-Marlow Limited
    Inventor: David Crowsley
  • Pumphead
    Patent number: D951433
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: May 10, 2022
    Assignee: Watson-Marlow Limited
    Inventor: David Crowsley