Patents by Inventor Stephen Neville Croft

Stephen Neville Croft 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).

  • Device for sterilizing a fluid
    Patent number: 7566885
    Abstract: A device (2) for sterilizing a fluid comprising a sterilization zone (4) having an outlet portion (10), comprising at least one aperture (16) through which the fluid may exit the device (2), wherein the sterilization zone (4) is arranged to be irradiated by a source of ultraviolet radiation (18) such that substantially all of the internal surfaces of the outlet portion (10) are directly irradiated by the source of ultraviolet radiation (18) and wherein the source of ultraviolet radiation (18) and the at least one aperture (16) are arranged such that substantially no ultraviolet radiation may be transmitted directly from the source of ultraviolet radiation (18) through the at least one aperture (16). Preferably the device (2) comprises a shower unit. There is also disclosed a method of sterilizing a fluid.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: July 28, 2009
    Inventors: Ian Stewart Helmore, Stephen Neville Croft