5392805Frost-resistant hydrant1995-02-28Chrysler137/218 5022429Valve assembly for plumbing fixture1991-06-11Rollini et al. 4909270Anti-siphon frost free faucet1990-03-20Enterante, Sr. et al. Primary Examiner: LEE, KEVIN L Attorney, Agent or Firm: ...
What's the difference between a regular sillcock, a frost-free sillcock, and a yard hydrant? Sillcock: Here we illustrate first a conventional sillcock or hose bibb intended to be mounted on the exterior wall of a building, supplied by building cold water (usually) piping. This is NOT...