Patents by Inventor Stanley Merjan

Stanley Merjan 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).

  • Piling
    Patent number: 7073980
    Abstract: A pile comprising a tapered steel tube of convex polygonal cross-section driven into the ground and then filled with concrete provides high load carrying capacity even in cohesive soils.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: July 11, 2006
    Inventors: Stanley Merjan, John Dougherty
  • Piling
    Publication number: 20040115008
    Abstract: A pile comprising a tapered steel tube of convex polygonal cross-section driven into the ground and then filled with concrete provides high load carrying capacity even in cohesive soils.
    Type: Application
    Filed: December 8, 2003
    Publication date: June 17, 2004
    Inventors: Stanley Merjan, John Dougherty
  • Piling
    Publication number: 20030014929
    Abstract: A pile comprising a hollow steel bottom portion of convex polygonal cross-section having at least four substantially equal sides. This bottom portion is driven into the ground and is then filled with concrete.
    Type: Application
    Filed: September 12, 2002
    Publication date: January 23, 2003
    Inventors: Stanley Merjan, John Dougherty
  • Composite pile with tapering lower portion and method for driving pile into granular soil
    Patent number: 6468003
    Abstract: A pile includes a tapered bottom section of polygon-shaped steel tubing and a top cylindrical section of steel tubing spliced together with a transition ring to form a composite pile, which, after being driven, is filled with concrete.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: October 22, 2002
    Inventors: Stanley Merjan, John Dougherty
  • Composite pile with tapering lower portion and method for driving pile into granular soil
    Publication number: 20020048493
    Abstract: A pile consisting of a tapered bottom section of polygon-shaped steel tubing and a top cylindrical section of steel tubing spliced together to form a composite pile, which, after being driven, is filled with concrete.
    Type: Application
    Filed: September 7, 2001
    Publication date: April 25, 2002
    Inventors: Stanley Merjan, John Dougherty
  • Composite pile with tapering lower portion and method for driving pile into granular soil
    Patent number: 6309143
    Abstract: A pile consisting of a tapered bottom section of polygon-shaped steel tubing and a top cylindrical section of steel tubing spliced together to form a composite pile, which, after being driven, is filled with concrete.
    Type: Grant
    Filed: March 25, 1999
    Date of Patent: October 30, 2001
    Inventors: Stanley Merjan, John Dougherty
  • Pile driving
    Patent number: 4725167
    Abstract: A screw-on splicer for use in driving composite pipe-shell piles and a screw-on tip for shell piles. Each has an outer diameter at least about 2 inches greater than the O.D. of the shell. An enlarged tip for shell piles, comprises a mass of concrete encased in a non-tapered corrugated shell and having a corrugated shell socket for receiving the shell stem.
    Type: Grant
    Filed: February 19, 1986
    Date of Patent: February 16, 1988
    Inventor: Stanley Merjan
  • Pile driving
    Patent number: 4462716
    Abstract: Shell piles having driving tips are driven with a pipe mandrel having a shoulder for engaging the top of the shell.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: July 31, 1984
    Inventor: Stanley Merjan
  • Piles
    Patent number: 4293242
    Abstract: During the driving of a pile having an enlarged tip, uplift capacity is provided by pouring concrete into the annular space around the pile stem.
    Type: Grant
    Filed: September 29, 1978
    Date of Patent: October 6, 1981
    Inventor: Stanley Merjan
  • Piling
    Patent number: 4199277
    Abstract: A concrete pile fitted with a special slightly tapered concrete tip of larger area. The tip has a central open socket for receiving concrete poured in after the pile is in place.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: April 22, 1980
    Inventor: Stanley Merjan
  • Piling
    Patent number: 4132082
    Abstract: A concrete pile fitted with a special slightly tapered concrete tip of larger area. The tip has a central open socket for receiving concrete poured in after the pile is in place.
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: January 2, 1979
    Inventor: Stanley Merjan
  • Pile driving mandrel
    Patent number: 3984992
    Abstract: An expansible pile driving mandrel made up of two arcuate segments, each having a chordal stiffening web and a hydraulic cylinder carried by the web of one segment and passing the web of the other.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: October 12, 1976
    Inventor: Stanley Merjan