Patents by Inventor Vaclav Rayman

Vaclav Rayman 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).

  • Apparatus for supplying preheated coal charges to coking chambers
    Patent number: 4179340
    Abstract: Preheated coal charges are pneumatically transported from charging containers by means of a neutral carrier gas to a degassing separator, from which the coal charges, free of the carrier gas, are supplied by gravity to the coking chambers.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: December 18, 1979
    Assignee: Hutni project Praha, projekcni a inzenyrska
    Inventors: Jaroslav Limberg, Tomas Limberg, Vaclav Rayman