Patents Assigned to Salco Products Incorporated
  • Vented hatch cover
    Patent number: 4819830
    Abstract: A vented hatch cover for an enclosed vessel having a shell member sized to overlie and cover a hatch opening defined by an upstanding coaming. It includes a peripheral seal to seal against coaming. The shell member has at least one air passage extending through it. A wall is integrally formed on the shell member and defines a plenum in communication with the air passage. The wall extends outward beyond the peripheral seal and there defines an air intake opening for admitting air to the plenum. An air filter is housed in the plenum.
    Type: Grant
    Filed: February 11, 1988
    Date of Patent: April 11, 1989
    Assignee: Salco Products Incorporated
    Inventor: Francis R. Schultz