Patents by Inventor Christopher W. Frederick

Christopher W. Frederick 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).

  • Patent number: 10713121
    Abstract: Systems and methods for migrating a metadata server are provided. A source metadata server is transferred to a new metadata server. During the migration process, only one of the metadata servers is active. Over time, data is transferred to the new metadata server until the new metadata server is fully synchronized with the source metadata server. Then metadata service process is terminated on the source metadata server and started on the new metadata server. The new metadata server transitions to read/write and normal file system operations are resumed at the new metadata server.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: July 14, 2020
    Assignee: EMC IP HOLDING COMPANY LLC
    Inventors: Shrinand Javadekar, Deepak Bobbarjung, Christopher W. Frederick
  • Patent number: 5551102
    Abstract: There is provided a mobile decontamination unit which includes a shower compartment. The shower compartment has a shower head and a drain located therein. There is a means for providing water to the shower head. There is a storage tank connected to the drain to store contaminated water from the shower compartment. There is a waiting compartment, that is preferably maintained under positive pressure, connected to the shower compartment. There is a means for maintaining the shower compartment at a negative air pressure. In another aspect of the invention, there is provided a mobile decontamination unit which includes a shower compartment. The shower compartment has a shower head and a drain located therein. There are means for providing water to the shower heads and means for heating the water before it reaches the shower heads. A storage tank is connected to the drains for storing contaminated water.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: September 3, 1996
    Inventors: Craig Stewart, Christopher W. A. Fredericks