Patents by Inventor Jerome Rest

Jerome Rest 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).

  • Device for preventing sewage backup in drain lines
    Patent number: 4432388
    Abstract: A device for automatically preventing the backup of sewage in a gravity discharge drain line consisting of an expansible bladder in conjunction with a reverse flow detector, means for inserting said device to a remote section in said drain line, a pressure source for expanding said bladder to a predetermined pressure to block reverse flow upon signal from said reverse flow detector, electrical and mechanical means for remote automatic operation of said device, said electrical and mechanical means containing elements for return of said device to normal standby position when the backup condition is rectified.In addition, the device contains a self cleaning feature and means for simulating a backup condition for checking the integrity of the device.
    Type: Grant
    Filed: January 7, 1982
    Date of Patent: February 21, 1984
    Inventor: Jerome Rest