Patents by Inventor David J. Davies

David J. Davies 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: 11994067
    Abstract: An aircraft gas turbine engine includes a heat exchanger module, and a core engine including an intermediate-pressure compressor, a high-pressure compressor, a high pressure turbine, and a low-pressure turbine. The high-pressure compressor is connected to the high-pressure turbine by a first shaft, and the intermediate-pressure compressor is connected to the low-pressure turbine by a second shaft. The heat exchanger module includes a central hub and heat transfer elements extending radially from the central hub and spaced in a circumferential array, for transferring heat energy from a fluid within the heat transfer elements to an inlet airflow passing over the heat transfer elements prior to entry of the airflow into an inlet to the core engine. The gas turbine engine further includes a first electric machine connected to the first shaft and positioned downstream of the heat exchanger module, and a second electric machines connected to the second shaft.
    Type: Grant
    Filed: September 8, 2022
    Date of Patent: May 28, 2024
    Assignee: ROLLS-ROYCE PLC
    Inventors: Natalie C Wong, Jonathan A Cherry, Paul R Davies, David A Jones, Andrew J Newman, Benjamin J Sellers, Stephen J Bradbrook
  • Patent number: 8304073
    Abstract: A label for removable application to an article such as a beverage bottle includes a backing layer (2) comprising a laminate of a bi-axially oriented polyester such as PET (12) and a bi-axially oriented polypropylene (14). The polyester film (12) has a lower coefficient of thermal expansion than the polypropylene film (14). Consequently, when the label is heated, it will tend to curl and this effect can be used to assist in the removal of the label from the article in a hot washing bath during recycling of the article.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: November 6, 2012
    Assignee: Spear Group Holdings Limited
    Inventors: David J. Davies, Darren Hammonds
  • Publication number: 20090218307
    Abstract: A label for removable application to an article such as a beverage bottle includes a backing layer (2) comprising a laminate of a bi-axially oriented polyester such as PET (12) and a bi-axially oriented polypropylene (14). The polyester film (12) has a lower coefficient of thermal expansion than the polypropylene film (14). Consequently, when the label is heated, it will tend to curl and this effect can be used to assist in the removal of the label from the article in a hot washing bath during recycling of the article.
    Type: Application
    Filed: March 31, 2006
    Publication date: September 3, 2009
    Inventors: David J. Davies, Darren Hammonds
  • Publication number: 20030028392
    Abstract: A purchase item and inventorying system for garage sales is disclosed. The system includes a set of pricing labels for affixing pricing information including a monetary value denomination to articles available for sale, all of the pricing labels being individually removably affixed to a backing board. During use, remaining pricing labels are instantaneously viewable for determining inventory and aggregate pricing value of articles available for sale or sold. Each set of pricing labels is uniquely color coded for use by an assigned entity, group or family participating in the garage sale.
    Type: Application
    Filed: August 3, 2001
    Publication date: February 6, 2003
    Inventor: David J. Davies
  • Patent number: 4000870
    Abstract: The modular system for quickly converting aircraft passenger compartments into cargo compartments and vice versa comprises floor forming panels, each panel being a complete module of the system. The individual panels are lightweight, having quick connect and disconnect fittings for securing to the aircraft, whereby the panels form a cargo supporting floor. Each panel has conveyor elements to move the cargo, to guide the cargo on the panels, and to hold the cargo in place in the aircraft on the panels.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: January 4, 1977
    Assignee: Western Gear Corporation
    Inventor: David J. Davies