for domestic or space-heating systems

Patents Grantslast 30 patents

  • Information Patent Grant

    Energy-storing temperature control material and preparation method...

    • Patent number 11,946,246
    • Issue date Apr 2, 2024
    • QILU UNIVERSITY OF TECHNOLOGY
    • Letian Qi
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Diffuser plates and diffuser plate assemblies

    • Patent number 11,566,816
    • Issue date Jan 31, 2023
    • Rheem Manufacturing Company
    • Reza Khatami
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Diffuser plates and diffuser plate assemblies

    • Patent number 11,199,340
    • Issue date Dec 14, 2021
    • Rheem Manufacturing Company
    • Reza David Khatami
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Diffuser plates and diffuser plates assemblies

    • Patent number 10,502,451
    • Issue date Dec 10, 2019
    • Rheem Manufacturing Company
    • Reza David Khatami
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Composite storage tank module and arrangement

    • Patent number 10,364,993
    • Issue date Jul 30, 2019
    • Leif Jilken
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3929425

    • Patent number 3,929,425
    • Issue date Dec 30, 1975
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3848666

    • Patent number 3,848,666
    • Issue date Nov 19, 1974
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3757857

    • Patent number 3,757,857
    • Issue date Sep 11, 1973
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2795402

    • Patent number 2,795,402
    • Issue date Jun 11, 1957
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1633664

    • Patent number 1,633,664
    • Issue date Jun 28, 1927
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1481559

    • Patent number 1,481,559
    • Issue date Jan 22, 1924
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents