Patents by Inventor Norman Barta

Norman Barta 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).

  • Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration
    Patent number: 8557115
    Abstract: The present invention is directed to an alternative compact portable filtration device that can be used in remote locations and includes a single filtration cartridge that provides redundant filtration of the fluid (water). In particular, the device is a dual stage ultrafilter cartridge (apparatus) that is constructed and designed to provide a portable device that can be used in the field, such as during camping or military assignment, and offers two filtration stages (redundant filtration) within a single housing.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: October 15, 2013
    Assignee: Nephros, Inc.
    Inventors: Gregory R. Collins, James Summerton, Norman Barta
  • Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs
    Patent number: 8343347
    Abstract: The present invention is directed to an alternative compact portable filtration device that can be used in remote locations and includes a single filtration cartridge that provides redundant filtration of the fluid (water). In particular, the device is a dual stage ultrafilter cartridge (apparatus) that is constructed and designed to provide a portable device that can be used in the field, such as during camping or military assignment, and offers two filtration stages (redundant filtration) within a single housing.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: January 1, 2013
    Assignee: Nephros, Inc.
    Inventors: Gregory R. Collins, James Summerton, Norman Barta
  • DUAL STAGE ULTRAFILTER DEVICES IN THE FORM OF PORTABLE FILTER DEVICES, SHOWER DEVICES, AND HYDRATION
    Publication number: 20120261315
    Abstract: The present invention is directed to an alternative compact portable filtration device that can be used in remote locations and includes a single filtration cartridge that provides redundant filtration of the fluid (water). In particular, the device is a dual stage ultrafilter cartridge (apparatus) that is constructed and designed to provide a portable device that can be used in the field, such as during camping or military assignment, and offers two filtration stages (redundant filtration) within a single housing.
    Type: Application
    Filed: May 11, 2012
    Publication date: October 18, 2012
    Applicant: Nephros, Inc.
    Inventors: Gregory R. Collins, James Summerton, Norman Barta
  • Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs
    Publication number: 20090283460
    Abstract: The present invention is directed to an alternative compact portable filtration device that can be used in remote locations and includes a single filtration cartridge that provides redundant filtration of the fluid (water). In particular, the device is a dual stage ultrafilter cartridge (apparatus) that is constructed and designed to provide a portable device that can be used in the field, such as during camping or military assignment, and offers two filtration stages (redundant filtration) within a single housing.
    Type: Application
    Filed: May 15, 2009
    Publication date: November 19, 2009
    Inventors: Gregory R. Collins, James Summerton, Norman Barta
  • Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs
    Patent number: 7534349
    Abstract: The present invention is directed to an alternative compact portable filtration device that can be used in remote locations and includes a single filtration cartridge that provides redundant filtration of the fluid (water). In particular, the device is a dual stage ultrafilter cartridge (apparatus) that is constructed and designed to provide a portable device that can be used in the field, such as during camping or military assignment, and offers two filtration stages (redundant filtration) within a single housing.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: May 19, 2009
    Assignee: Nephros, Inc.
    Inventors: Gregory R. Collins, James Summerton, Norman Barta
  • DUAL STAGE ULTRAFILTER DEVICES IN THE FORM OF PORTABLE FILTER DEVICES, SHOWER DEVICES, AND HYDRATION PACKS
    Publication number: 20070163943
    Abstract: The present invention is directed to an alternative compact portable filtration device that can be used in remote locations and includes a single filtration cartridge that provides redundant filtration of the fluid (water). In particular, the device is a dual stage ultrafilter cartridge (apparatus) that is constructed and designed to provide a portable device that can be used in the field, such as during camping or military assignment, and offers two filtration stages (redundant filtration) within a single housing.
    Type: Application
    Filed: August 31, 2006
    Publication date: July 19, 2007
    Applicant: Nephros, Inc.
    Inventors: Gregory Collins, James Summerton, Norman Barta