Patents by Inventor Robert C. Lancaster

Robert C. Lancaster 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: 10006341
    Abstract: A compressor assembly is disclosed. The compressor assembly may have a compressor housing. The compressor assembly may also have a compressor impeller disposed within the compressor housing. Further, the compressor assembly may have a bearing housing attached to the compressor housing. The compressor assembly may also have a diffuser ring disposed between the compressor housing and the bearing housing. In addition, the compressor assembly may have at least one tab. The tab may extend radially outward from the diffuser ring. The tab may be configured to engage with a recess in the compressor housing. The compressor assembly may also have at least one fastener. The fastener may be configured to attach the diffuser ring and the compressor housing.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: June 26, 2018
    Assignee: Caterpillar Inc.
    Inventors: Richard E. Annati, Robert C. Lancaster, David R. Adair
  • Patent number: 7908298
    Abstract: Processing list data to form calculated lists wherein the calculated data set is derived from data members and/or nested list members that are then calculated to produce the resulting final calculated data set. Each data member in the list typically has at least one data member identifier and at least one calculate attribute. The calculating process uses the calculate attribute to determine the final calculated data set of the list. The final calculated list can be used alone and additionally nested into other lists or as members of a list structure.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: March 15, 2011
    Inventor: Robert C Lancaster
  • Patent number: D338569
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: August 24, 1993
    Assignee: RFL Products, Inc.
    Inventor: Robert C. Lancaster