Patents by Inventor Sam Camardello

Sam Camardello 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).

  • White emitting persistent phosphor
    Patent number: 8506843
    Abstract: This disclosure features a persistent phosphor having the following formula I: Sra,Cab,BacAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp??I where a and b each range from about 0.3 to about 0.7; c is between about 0 and about 0.1; 0.75?a+b+c+y+z?1.3; y is between about 0.0005 and about 0.1; RE is any rare earth element alone or in combination; z is between about 0.0005 and about 0.15; m is between about 0.0005 and about 0.30; n is between about 0 and about 0.10; o is between about 0 and about 0.01; p is between about 0 and about 0.10 and d ranges from about 3.945 to about 4.075. Once the persistent phosphor has been excited it appears white in an absence of ambient light. Also featured is an article of manufacture that includes the phosphor.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: August 13, 2013
    Assignee: General Electric Company
    Inventors: Alok Srivastava, Holly Ann Comanzo, Sam Camardello, William W. Beers
  • WHITE EMITTING PERSISTENT PHOSPHOR
    Publication number: 20120153227
    Abstract: This disclosure features a persistent phosphor having the following formula I: Sra,Cab,BacAl2-m-n-o-pOd:Euy,REz,Bm,Znn,Coo,Scp??I where a and b each range from about 0.3 to about 0.7; c is between about 0 and about 0.1; 0.75?a+b+c+y+z?1.3; y is between about 0.0005 and about 0.1; RE is any rare earth element alone or in combination; z is between about 0.0005 and about 0.15; m is between about 0.0005 and about 0.30; n is between about 0 and about 0.10; o is between about 0 and about 0.01; p is between about 0 and about 0.10 and d ranges from about 3.945 to about 4.075. Once the persistent phosphor has been excited it appears white in an absence of ambient light. Also featured is an article of manufacture that includes the phosphor.
    Type: Application
    Filed: December 17, 2010
    Publication date: June 21, 2012
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Alok SRIVASTAVA, Holly Ann Comanzo, Sam Camardello, William W. Beers