Patents by Inventor Charles William Merten

Charles William Merten 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 and method for the volumetric measurement and dispensing of liquids
    Patent number: 7111757
    Abstract: Devices and methods for accurate volumetric measurement and dispensing of any liquid, regardless of that liquid's density and vapor pressure, are disclosed. This invention employs devices and methods which are used to eliminate free volume from a variable volume chamber. A desired volume of liquid can be measured accurately within the volume range of the chamber. These devices and methods are suitable for volumetric measurement and dispensing of any liquid, regardless of density or vapor pressure.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: September 26, 2006
    Inventors: Thomas Matthew O'Brien, Charles William Merten