Supporting means for the purifying material

Patents Grantslast 30 patents

  • Information Patent Grant

    2869991

    • Patent number 2,869,991
    • Issue date Jan 20, 1959
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2788263

    • Patent number 2,788,263
    • Issue date Apr 9, 1957
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    2621112

    • Patent number 2,621,112
    • Issue date Dec 9, 1952
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...