Patents by Inventor Alfred Freilich

Alfred Freilich 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).

  • Method of making a nickle high-chromium base brazing filler metal
    Patent number: 4712603
    Abstract: A nickel based high melting point, homogeneous, ductile brazing foil composition consists essentially of about 17 to 20 atom percent chromium, about 4 to 10 atom percent boron, about 10 to 16 atom percent silicon, the balance being nickel and incidental impurities. The composition is such that the total of nickel and chromium ranges from about 74 to 84 atom percent.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: December 15, 1987
    Assignee: Allied Corporation
    Inventors: Debasis Bose, Alfred Freilich
  • Nickel high-chromium base brazing filler metal for high temperature applications
    Patent number: 4658537
    Abstract: A nickel based high melting point, homogeneous, ductile brazing foil composition consists essentially of about 17 to 20 atom percent chromium, about 4 to 10 atom percent boron, about 10 to 16 atom percent silicon, the balance being nickel and incidental impurities. The composition is such that the total of nickel and chromium ranges from about 74 to 84 atom percent.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: April 21, 1987
    Assignee: Allied Corporation
    Inventors: Debasis Bose, Alfred Freilich
  • Nickel high-chromium base brazing filler metal for high temperature applications
    Patent number: 4543135
    Abstract: A nickel based high melting point, homogeneous, ductile brazing foil composition consists essentially of about 17 to 20 atom percent chromium, about 4 to 10 atom percent boron, about 10 to 16 atom percent silicon, the balance being nickel and incidental impurities. The composition is such that the total of nickel and chromium ranges from about 74 to 84 atom percent.
    Type: Grant
    Filed: November 15, 1982
    Date of Patent: September 24, 1985
    Assignee: Allied Corporation
    Inventors: Debasis Bose, Alfred Freilich
  • Method for making iron-metalloid amorphous alloys for electromagnetic devices
    Patent number: 4298409
    Abstract: An amorphous metal alloy which is at least 90 percent amorphous and consists essentially of a composition having the formula Fe.sub.a B.sub.b Si.sub.c C.sub.d wherein "a", "b", "c" and "d" are atomic percentages ranging from about 80.0 to 82.0, 12.5 to 14.5, 2.5 to 5.0 and 1.5 to 2.5, respectively, with the proviso that the sum of "a", "b", "c" and "d" equals 100, is annealed at a temperature ranging from 380.degree.-410.degree. C. The resulting alloy has decreased high frequency core losses and increased low field permeability; is particularly suited for high frequency applications.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: November 3, 1981
    Assignee: Allied Chemical Corporation
    Inventors: Nicholas J. DeCristofaro, Alfred Freilich, Davidson M. Nathasingh
  • Method of enhancing the magnetic properties of an Fe.sub.a B.sub.b Si.sub.c .sub.d amorphous alloy
    Patent number: 4249969
    Abstract: An amorphous metal alloy which is at least 90% amorphous having enhanced magnetic properties and consisting essentially of a composition having the formula Fe.sub.a B.sub.b Si.sub.c C.sub.d wherein "a", "b", "c" and "d" are atomic percentages ranging from about 80.0 to 82.0, 12.5 to 14.5, 2.5 to 5.0 and 1.5 to 2.5, respectively, with the proviso that the sum of "a", "b", "c" and "d" equals 100.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: February 10, 1981
    Assignee: Allied Chemical Corporation
    Inventors: Nicholas J. DeCristofaro, Alfred Freilich, Davidson M. Nathasingh
  • Iron-metalloid amorphous alloys for electromagnetic devices
    Patent number: 4219355
    Abstract: An amorphous metal alloy which is at least 90% amorphous having enhanced magnetic properties and consisting essentially of a composition having the formula Fe.sub.a B.sub.b Si.sub.c C.sub.d wherein "a", "b", "c" and "d" are atomic percentages ranging from about 80.0 to 82.0, 12.5 to 14.5, 2.5 to 5.0 and 1.5 to 2.5, respectively, with the proviso that the sum of "a", "b", "c" and "d" equals 100.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: August 26, 1980
    Assignee: Allied Chemical Corporation
    Inventors: Nicholas J. DeCristofaro, Alfred Freilich, Davidson M. Nathasingh
  • Glass-forming alloys with improved filament strength
    Patent number: 4152146
    Abstract: Replacing iron with small amounts of molybdenum, i.e., about 1 to 8 atom percent, in a glass-forming alloy consisting essentially of about 9 to 24 atom percent boron, the balance essentially iron and incidental impurities, results in substantial improvement in filament strength.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: May 1, 1979
    Assignee: Allied Chemical Corporation
    Inventors: Alfred Freilich, Sheldon Kavesh