Patents by Inventor Zvi Nisenholz

Zvi Nisenholz 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).

  • PROCESS FOR MANUFACTURING HIGH DENSITY BORON CARBIDE
    Publication number: 20140056795
    Abstract: The invention provides a process for manufacturing high density boron carbide by pressureless sintering, enabling to create sintered products of complex shapes and high strength. The robust process of the invention enables to employ low-cost raw powders.
    Type: Application
    Filed: November 1, 2013
    Publication date: February 27, 2014
    Applicant: Rafael-Armament Development Authority Ltd.
    Inventors: Shimshon Bar-ziv, Yehoshua Hachamo, David Gorni, Zohar Ophir, Itamar Gutman, Joseph Frey, Zvi Nisenholz
  • PROCESS FOR MANUFACTURING HIGH DENSITY BORON CARBIDE
    Publication number: 20120107211
    Abstract: A process for manufacturing high density boron carbide by pressureless sintering, enabling to create sintered products of complex shapes and high strength. The process comprises mixing raw boron carbide powder with carbon precursor, such as a polysaccharide, compacting the mixture to create an object of the desired shape, and finally carbonizing and sintering the object at higher temperatures.
    Type: Application
    Filed: January 9, 2012
    Publication date: May 3, 2012
    Applicant: RAFAEL-ARMAMENT DEVELOPMENT AUTHORITY LTD.
    Inventors: Shimshon Bar-ziv, Yehoshua Hachamo, David Gorni, Zohar Ophir, Itamar Gutman, Joseph Frey, Zvi Nisenholz
  • Process for manufacturing high density boron carbide
    Patent number: 8110165
    Abstract: A process for manufacturing high density boron carbide by pressureless sintering, enabling to create sintered products of complex shapes and high strength. The process comprises mixing raw boron carbide powder with carbon precursor, such as a polysaccharide, compacting the mixture to create an object of the desired shape, and finally carbonizing and sintering the object at higher temperatures.
    Type: Grant
    Filed: June 17, 2005
    Date of Patent: February 7, 2012
    Assignee: Rafael-Armament Development
    Inventors: Shimshon Bar-Ziv, Yehoshua Hachamo, David Gorni, Zohar Ophir, Itamar Gutman, Joseph Frey, Zvi Nisenholz
  • Process for Manufacturing High Density Boron Carbide
    Publication number: 20080279747
    Abstract: A process for manufacturing high density boron carbide by pressureless sintering, enabling to create sintered products of complex shapes and high strength. The process comprises mixing raw boron carbide powder with carbon precursor, such as a polysaccharide, compacting the mixture to create an object of the desired shape, and finally carbonizing and sintering the object at higher temperatures.
    Type: Application
    Filed: June 17, 2005
    Publication date: November 13, 2008
    Applicant: Rafael-Armament Development Authority Ltd.
    Inventors: Shimshon Bar-Ziv, Yehoshua Hachamo, David Gorni, Zohar Ophir, Itamar Gutman, Joseph Frey, Zvi Nisenholz