Patents by Inventor Joseph F. Welk

Joseph F. Welk 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).

  • Closure for container for holding biological samples
    Patent number: 8631953
    Abstract: A closure for a container, e.g., a tube, for a sample, e.g., a biological sample. The closure comprises a cap having a first opening and a second opening, the first opening capable of communicating with the mouth of a container, the second opening sealed by an exterior seal, and intermediate the first opening and the exterior seal, an interior seal. The invention also provides an assembly comprising the closure of this invention and a container. The invention also provides a method for preparing the closure.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: January 21, 2014
    Assignee: Abbott Laboratories
    Inventors: Erin Kim Pavlovic, Keith A. Haapala, Joseph F. Welk
  • Method of preparing a closure for container for holding biological samples
    Patent number: 8034272
    Abstract: A closure for a container, e.g., a tube, for a sample, e.g., a biological sample. The closure comprises a cap having a first opening and a second opening, the first opening capable of communicating with the mouth of a container, the second opening sealed by an exterior seal, and intermediate the first opening and the exterior seal, an interior seal. The invention also provides an assembly comprising the closure of this invention and a container. The invention also provides a method for preparing the closure.
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: October 11, 2011
    Assignee: Abbott Laboratories
    Inventors: Erin Kim Pavlovic, Keith Haapala, Joseph F. Welk
  • CLOSURE FOR CONTAINER FOR HOLDING BIOLOGICAL SAMPLES
    Publication number: 20090273121
    Abstract: A closure for a container, e.g., a tube, for a sample, e.g., a biological sample. The closure comprises a cap having a first opening and a second opening, the first opening capable of communicating with the mouth of a container, the second opening sealed by an exterior seal, and intermediate the first opening and the exterior seal, an interior seal. The invention also provides an assembly comprising the closure of this invention and a container. The invention also provides a method for preparing the closure.
    Type: Application
    Filed: July 9, 2009
    Publication date: November 5, 2009
    Applicant: ABBOTT LABORATORIES
    Inventors: Erin Kim Pavlovic, Keith A. Haapala, Joseph F. Welk