Patents by Inventor Ksenia Alexander Landa

Ksenia Alexander Landa 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).

  • Grey glass composition and method of making same
    Patent number: 6403509
    Abstract: A high LTa, low UV and IR transmittance grey glass employing as its colorant portion iron (Fe2O3/FeO), erbium (Er2O3) and, optionally, titanium (TiO2). Enhanced effects are achieved by forming separate prebatch mixes, one of which includes rouge, metallic Si (optional), SiO and sand, the other including the remainder of ingredients, which after separate formation are then admixed to form the final, overall batch.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: June 11, 2002
    Assignee: Guardian Industries Corp.
    Inventors: Gary Seldon Cochran, Anthony Vincent Longobardo, Ksenia Alexander Landa, Leonid Mendel Landa
  • Grey glass composition and method of making same
    Publication number: 20010006927
    Abstract: A high LTa, low UV and IR transmittance grey glass employing as its colorant portion iron (Fe2O3/FeO), erbium (Er2O3) and, optionally, titanium (TiO2). Enhanced effects are achieved by forming separate prebatch mixes, one of which includes rouge, metallic Si (optional), SiO and sand, the other including the remainder of ingredients, which after separate formation are then admixed to form the final, overall batch.
    Type: Application
    Filed: February 23, 2001
    Publication date: July 5, 2001
    Applicant: Guardian Industries Corporation
    Inventors: Gary Seldon Cochran, Anthony Vincent Longobardo, Ksenia Alexander Landa, Leonid Mendel Landa
  • Grey glass composition and method of making same
    Patent number: 6235666
    Abstract: A high LTa, low UV and IR transmittance grey glass employing as its colorant portion iron (Fe2O3/FeO), erbium (Er2O3) and, optionally, titanium (TiO2). Enhanced effects are achieved by forming separate prebatch mixes, one of which includes rouge, metallic Si (optional), SiO and sand, the other including the remainder of ingredients, which after separate formation are then admixed to form the final, overall batch.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: May 22, 2001
    Assignee: Guardian Industries Corporation
    Inventors: Gary Seldon Cochran, Anthony Vincent Longobardo, Ksenia Alexander Landa, Leonid Mendel Landa