Patents by Inventor Jan Waller

Jan Waller 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).

  • Process for combusting ammonia-containing gases which also contain hydrogen sulfide
    Patent number: 4394119
    Abstract: An ammonia-containing gas stream and a hydrogen sulfide-containing gas stream are combusted to a mixture of SO.sub.2 and H.sub.2 S in a ratio of substantially 1:2 in the thermal zone of a sulfur recovery unit by feeding said streams separately to a burner comprising a double-barrelled gun of two concentric tubes, the ammonia-containing gas stream being fed to the inner tube of the gun and the hydrogen sulfide-containing gas stream being fed to the outer tube.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: July 19, 1983
    Assignee: Shell Oil Company
    Inventors: Jan Waller, Philippus Loof