Patents by Inventor R. Melling

R. Melling 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).

  • MEPTAZINOL CARBAMATE PRODRUG SALTS
    Publication number: 20120165315
    Abstract: The present invention relates to salts of meptazinol carbamate prodrugs, and to their synthesis and use.
    Type: Application
    Filed: December 22, 2011
    Publication date: June 28, 2012
    Inventors: Paul McGee, R. Melling, Jean-Luc Coudret, A. Manage, Jean-Francois Camiaux, Colin Lindley
  • Transistorized invertor
    Patent number: 4298925
    Abstract: A transistorized invertor which is for inverting d.c. to one or more phases of a.c. and in which for the or each phase to be produced there is provided a current transformer primary in an output line of the invertor with the secondary of the current transformer in a base drive circuit for the invertor, the current transformer being effective to feed a proportion of the output current of the invertor back to the base drive circuit in order to provide base drive current for the base drive circuit.
    Type: Grant
    Filed: July 10, 1979
    Date of Patent: November 3, 1981
    Assignee: Plessey Handel und Investments AG
    Inventor: John R. Melling