Patents Represented by Law Firm Mazer Edward H.
  • Rotary drum filter
    Patent number: 4309288
    Abstract: An improved rotary filter is described. A baffle means is disposed between the filter drum and the filter cloth in substantial alignment with at least some of the circumferential openings in the filter drum to decrease the erosive effects on the filter cloth of fluid discharged through the circumferential openings in the filter drum.
    Type: Grant
    Filed: August 7, 1980
    Date of Patent: January 5, 1982
    Assignee: Exxon Research & Engineering Co.
    Inventors: Douglas G. Ryan, Derek J. Watridge