Patents by Inventor Bernard Fields

Bernard Fields 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).

  • Method of estimating a cumulative exposure to a compound of a gas and apparatus therefor
    Patent number: 5013668
    Abstract: A method of estimating a cumulative exposure to a component of a gas which comprises contacting a liquid reagent held by surface tension in a reservoir with a body of the gas through a conduit into which substantially only diffusional migration of the component from the body of gas occurs.
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: May 7, 1991
    Assignee: Imperial Chemical Industries PLC
    Inventor: Bernard Fields