Patents Assigned to Baker Manufacturing
  • Hydrant design
    Patent number: 6178988
    Abstract: A hydrant valve assembly including a spool member having at least one spool seal which is at times under extremely high pressure tending to cause the seal to be displaced from an associated recess, the spool member forming venting passages in the seal recess to alleviate seal pressure, the invention also including a new wet pipe design and a new collar design.
    Type: Grant
    Filed: December 11, 1998
    Date of Patent: January 30, 2001
    Assignee: Baker Manufacturing
    Inventor: Stephen D. Royle