with bell or tube siphons

Patents Grantslast 30 patents

  • Information Patent Grant

    3082433

    • Patent number 3,082,433
    • Issue date Mar 26, 1963
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    2234567

    • Patent number 2,234,567
    • Issue date Mar 11, 1941
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1985119

    • Patent number 1,985,119
    • Issue date Dec 18, 1934
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1812774

    • Patent number 1,812,774
    • Issue date Jun 30, 1931
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    1543799

    • Patent number 1,543,799
    • Issue date Jun 30, 1925
    • E03 - WATER SUPPLY SEWERAGE