Patents by Inventor James Cristina

James Cristina 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).

  • STERILIZING CHROMATOGRAPHY COLUMNS
    Publication number: 20240100450
    Abstract: If one sterilizes pre-packed, plastic chromatography columns with an appropriate level of gamma irradiation, the resulting sterile chromatography columns maintain sufficient packing media function and maintain column mechanical properties and pressure ratings.
    Type: Application
    Filed: February 6, 2018
    Publication date: March 28, 2024
    Applicant: Repligen Corporation
    Inventors: James Ronald Peyser, Dana Cristina Pentia
  • Plank precision spacing device
    Patent number: 8096091
    Abstract: The present invention is a plank precision spacing device comprised of a sheet component and a pluralty of clamp components with a flattened upper surface perpendicular to the sheet component, and a gripping component and protuberances which engage siding planks. The clamp component further includes a lip which is angled outward. The plank precision spacing device eliminates the need to measure and chalk a line for each siding plank, reducing installation time and labor costs.
    Type: Grant
    Filed: March 8, 2010
    Date of Patent: January 17, 2012
    Inventor: James Cristina
  • Plank Precision Spacing Device
    Publication number: 20100229488
    Abstract: The present invention is a plank precision spacing device comprised of a sheet component and a pluralty of clamp components with a flattened upper surface perpendicular to the sheet component, and a gripping component and protuberances which engage siding planks. The clamp component further includes a lip which is angled outward. The plank precision spacing device eliminates the need to measure and chalk a line for each siding plank, reducing installation time and labor costs.
    Type: Application
    Filed: March 8, 2010
    Publication date: September 16, 2010
    Inventor: James Cristina