Patents by Inventor Heidi Grecsek

Heidi Grecsek 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).

  • Chromatographic interface for thermal desorption systems
    Patent number: 7552618
    Abstract: Disclosed are systems and methods that include a thermal desorption unit, a chromatographic column, and an interface device between the unit and the column. The interface device controls the fluid flowing into the column, such as by providing additional carrier gas to maintain a substantially constant gas flow or velocity, by proving a controlled temperature increase, or by venting a portion of the gas received from the thermal desorption unit, thereby removing the dependence on the thermal desorption unit for such control. In some embodiments, the interface is a chromatographic injector. In certain embodiments, a transfer line from the desorption unit is coupled to the same port of the interface device as the chromatographic column. In some of these embodiments, this is accomplished by employing a special adaptor.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: June 30, 2009
    Assignee: PerkinElmer LAS, Inc.
    Inventors: Andrew Tipler, Heidi Grecsek, Frank DeLorenzo, Giuseppe Coppola
  • Chromatographic Interface for Thermal Desorption Systems
    Publication number: 20080041137
    Abstract: Disclosed are systems and methods that include a thermal desorption unit, a chromatographic column, and an interface device between the unit and the column. The interface device controls the fluid flowing into the column, such as by providing additional carrier gas to maintain a substantially constant gas flow or velocity, by proving a controlled temperature increase, or by venting a portion of the gas received from the thermal desorption unit, thereby removing the dependence on the thermal desorption unit for such control. In some embodiments, the interface is a chromatographic injector. In certain embodiments, a transfer line from the desorption unit is coupled to the same port of the interface device as the chromatographic column. In some of these embodiments, this is accomplished by employing a special adaptor.
    Type: Application
    Filed: October 22, 2007
    Publication date: February 21, 2008
    Inventors: Andrew Tipler, Heidi Grecsek, Frank DeLorenzo, Giuseppe Coppola
  • Chromatographic interface for thermal desorption systems
    Patent number: 7284410
    Abstract: Disclosed are systems and methods that include a thermal desorption unit, a chromatographic column, and an interface device between the unit and the column. The interface device controls the fluid flowing into the column, such as by providing additional carrier gas to maintain a substantially constant gas flow or velocity, by proving a controlled temperature increase, or by venting a portion of the gas received from the thermal desorption unit, thereby removing the dependence on the thermal desorption unit for such control. In some embodiments, the interface is a chromatographic injector. In certain embodiments, a transfer line from the desorption unit is coupled to the same port of the interface device as the chromatographic column. In some of these embodiments, this is accomplished by employing a special adaptor.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: October 23, 2007
    Assignee: PerkinElmer LAS, Inc.
    Inventors: Andrew Tipler, Heidi Grecsek, Frank DeLorenzo, Giuseppe Coppola
  • Chromatographic interface for thermal desorption systems
    Publication number: 20050284209
    Abstract: Disclosed are systems and methods that include a thermal desorption unit, a chromatographic column, and an interface device between the unit and the column. The interface device controls the fluid flowing into the column, such as by providing additional carrier gas to maintain a substantially constant gas flow or velocity, by proving a controlled temperature increase, or by venting a portion of the gas received from the thermal desorption unit, thereby removing the dependence on the thermal desorption unit for such control. In some embodiments, the interface is a chromatographic injector. In certain embodiments, a transfer line from the desorption unit is coupled to the same port of the interface device as the chromatographic column. In some of these embodiments, this is accomplished by employing a special adaptor.
    Type: Application
    Filed: June 29, 2005
    Publication date: December 29, 2005
    Inventors: Andrew Tipler, Heidi Grecsek, Frank DeLorenzo, Giuseppe Coppola