Patents by Inventor Brian Weltman

Brian Weltman 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).

  • Pressure activated trap primer and water hammer combination
    Patent number: 7882851
    Abstract: A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to said discharging end and attachable to plumbing tubing, an inlet port connected to said inlet and attachable to plumbing tubing, an insert plug within said pipe positioned at said discharging end and at said inlet, said insert plug substantially tubular with opposing flats, and having a longitudinal cylindrical bore and a latitudinal threaded through bore, a port bolt within a portion of said insert plug and a portion of said inlet port, said port bolt substantially tubular and having a longitudinal cylindrical bore and a latitudinal through bore distributor aligned with the insert plug longitudinal cylindrical bore, and a check piston within said pipe and slidingly engageable with said insert plug and said outlet port wherein said check piston engages slidably responsive to water pressure changes at said inlet port and an integral air gap outlet.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: February 8, 2011
    Inventor: Brian Weltman
  • Pressure activated trap primer and water hammer combination
    Patent number: 7520292
    Abstract: A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to said discharging end and attachable to plumbing tubing, an inlet port connected to said inlet and attachable to plumbing tubing, an insert plug within said pipe positioned at said discharging end and at said inlet, said insert plug substantially tubular with opposing flats, and having a longitudinal cylindrical bore and a latitudinal threaded through bore, a port bolt within a portion of said insert plug and a portion of said inlet port, said port bolt substantially tubular and having a longitudinal cylindrical bore and a latitudinal through bore distributor aligned with the insert plug longitudinal cylindrical bore, and a check piston within said pipe and slidingly engageable with said insert plug and said outlet port wherein said check piston engages slidably responsive to water pressure changes at said inlet port.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: April 21, 2009
    Inventor: Brian Weltman
  • Pressure activated trap primer and water hammer combination
    Publication number: 20080128028
    Abstract: A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to said discharging end and attachable to plumbing tubing, an inlet port connected to said inlet and attachable to plumbing tubing, an insert plug within said pipe positioned at said discharging end and at said inlet, said insert plug substantially tubular with opposing flats, and having a longitudinal cylindrical bore and a latitudinal threaded through bore, a port bolt within a portion of said insert plug and a portion of said inlet port, said port bolt substantially tubular and having a longitudinal cylindrical bore and a latitudinal through bore distributor aligned with the insert plug longitudinal cylindrical bore, and a check piston within said pipe and slidingly engageable with said insert plug and said outlet port wherein said check piston engages slidably responsive to water pressure changes at said inlet port.
    Type: Application
    Filed: May 17, 2005
    Publication date: June 5, 2008
    Inventor: Brian Weltman
  • Pressure activated trap primer and water hammer combination
    Publication number: 20070209707
    Abstract: A water hammer arrestor and drain trap primer valve includes a hollow pipe having a closed end, a discharging end, an inlet, an outlet port connected to said discharging end and attachable to plumbing tubing, an inlet port connected to said inlet and attachable to plumbing tubing, an insert plug within said pipe positioned at said discharging end and at said inlet, said insert plug substantially tubular with opposing flats, and having a longitudinal cylindrical bore and a latitudinal threaded through bore, a port bolt within a portion of said insert plug and a portion of said inlet port, said port bolt substantially tubular and having a longitudinal cylindrical bore and a latitudinal through bore distributor aligned with the insert plug longitudinal cylindrical bore, and a check piston within said pipe and slidingly engageable with said insert plug and said outlet port wherein said check piston engages slidably responsive to water pressure changes at said inlet port and an integral air gap outlet.
    Type: Application
    Filed: April 6, 2007
    Publication date: September 13, 2007
    Inventor: Brian Weltman
  • Combination water hammer arrestor and drain trap primer
    Patent number: D595391
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: June 30, 2009
    Inventor: Brian Weltman
  • Combination water hammer arrestor and drain trap primer
    Patent number: D601231
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: September 29, 2009
    Inventor: Brian Weltman