Patents by Inventor Greg Paulin

Greg Paulin 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).

  • Check Valve For A Self-Priming Pump
    Publication number: 20100313972
    Abstract: A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.
    Type: Application
    Filed: August 23, 2010
    Publication date: December 16, 2010
    Applicant: ENVIROTECH PUMPSYSTEMS, INC.
    Inventors: Greg Paulin, James G. Shaw, James C. Harmon, James Northrup
  • Check valve for a self-priming pump
    Patent number: 7784489
    Abstract: A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.
    Type: Grant
    Filed: August 9, 2006
    Date of Patent: August 31, 2010
    Assignee: EnviroTech Pumpsystems, Inc.
    Inventors: Greg Paulin, James G. Shaw, James C. Harmon, James Northrup
  • Low-profile impeller bolt
    Publication number: 20070036660
    Abstract: An impeller for a self-primer pump is structured for attachment to the terminal end of a drive shaft by means of a bolt that is configured to provide a low profile such that the eye of the impeller is rendered capable of processing larger solids that are entrained in fluid.
    Type: Application
    Filed: August 7, 2006
    Publication date: February 15, 2007
    Inventor: Greg Paulin
  • Check valve for a self-priming pump
    Publication number: 20070036665
    Abstract: A check valve of the flapper type structured for use in a self-primer pump is structured for attachment to the pump casing in a manner that facilitates servicing of the check valve, and includes securement means that are positioned external to the casing and a flapper that is located through an opening of the casing in a manner that enables the servicing of the valve without dropping the flapper or the hardware into the interior of the pump.
    Type: Application
    Filed: August 9, 2006
    Publication date: February 15, 2007
    Inventors: Greg Paulin, James Shaw, James Harmon, James Northrup