Patents by Inventor Peter Manchak

Peter Manchak 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).

  • Sludge treatment with CaO or CaC.sub.2 and recovery of CaO therefrom
    Patent number: 5242601
    Abstract: A process for treating contaminated sludges such as municipal sewage sludge, industrial waste sludge and riverbottom sludge with calcium oxide (CaO) and/or calcium carbide (CaC.sub.2) with reclaiming and recycling of calcium oxide (CaO) from the reaction materials. The process is also applicable for dechlorinating PCB contaminated sludges.
    Type: Grant
    Filed: June 6, 1991
    Date of Patent: September 7, 1993
    Assignee: Alternative Technologies For Waste, Inc.
    Inventors: Frank Manchak, Jr., Frank Manchak, III, Peter Manchak