Patents by Inventor David I. Dejong

David I. Dejong 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).

  • Dip tube connectors and pump systems using the same
    Patent number: 10646888
    Abstract: A pump system may include a blown-in dip tube connected to a valve body and having a connection which may include an improved blown-in dip tube connector having one or more of a lip for sealing with a blown-in dip tube, a seal ring configured to mate with a blown-in dip tube and seal therewith, a dip tube lock for mating with a blown-in dip tube, or an o-ring for providing an improved seal with a blown-in dip tube.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: May 12, 2020
    Assignee: Silgan Dispensing Systems Corporation
    Inventors: Robert J. Good, David I. Dejong