characterised by the material thereof

Patents Grantslast 30 patents

  • Information Patent Grant

    Combination flashlight an electrical power source assembly and emit...

    • Patent number 6,176,596
    • Issue date Jan 23, 2001
    • Thermo Power Corporation
    • Kailash C. Shukla
    • F21 - LIGHTING
  • Information Patent Grant

    Portable, small, light-weight radiant and/or electrical power gener...

    • Patent number 6,092,912
    • Issue date Jul 25, 2000
    • Quantum Group, Inc.
    • Robert E. Nelson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Procedure for preparing a incandescent material and its use in hard...

    • Patent number 5,904,881
    • Issue date May 18, 1999
    • Commissariat a l'Energie Atomique
    • Alain Jegat
    • F21 - LIGHTING
  • Information Patent Grant

    Process for producing a sturdy refractory metal oxide article

    • Patent number 5,240,407
    • Issue date Aug 31, 1993
    • TPV Energy Systems, Inc.
    • Walter J. Diederich
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Incandescent mantles

    • Patent number 5,124,286
    • Issue date Jun 23, 1992
    • John P. Edgar
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Incandescent mantles

    • Patent number 5,071,799
    • Issue date Dec 10, 1991
    • John P. Edgar
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Thermophotovoltaic technology

    • Patent number 5,057,162
    • Issue date Oct 15, 1991
    • TPV Energy Systems, Inc.
    • Robert E. Nelson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Thermophotovoltaic technology

    • Patent number 4,976,606
    • Issue date Dec 11, 1990
    • TPV Energy Systems, Inc.
    • Robert E. Nelson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Gas mantle technology

    • Patent number 4,975,044
    • Issue date Dec 4, 1990
    • TPV Energy Systems, Inc.
    • Walter J. Diederich
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Refractory metal oxide processes

    • Patent number 4,883,619
    • Issue date Nov 28, 1989
    • TPV Energy Systems, Inc.
    • Walter J. Diederich
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Gas mantle technology

    • Patent number 4,877,553
    • Issue date Oct 31, 1989
    • TPV Energy Systems, Inc.
    • Walter J. Diederich
    • F21 - LIGHTING
  • Information Patent Grant

    Thermophotovoltaic technology

    • Patent number 4,826,426
    • Issue date May 2, 1989
    • TPV Energy Systems, Inc.
    • Robert E. Nelson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Narrow band thermal emitter

    • Patent number 4,764,104
    • Issue date Aug 16, 1988
    • TPV Energy Systems, Inc.
    • Robert E. Nelson
    • F21 - LIGHTING
  • Information Patent Grant

    Candoluminescent material and its preparation process

    • Patent number 4,604,228
    • Issue date Aug 5, 1986
    • Commissariat a l'Energie Atomique
    • Anne-Marie Perroud
    • F21 - LIGHTING
  • Information Patent Grant

    Thermophotovoltaic technology

    • Patent number 4,584,426
    • Issue date Apr 22, 1986
    • The Gillette Company
    • Robert E. Nelson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Yttrium oxide mantles for fuel-burning lanterns

    • Patent number 4,533,317
    • Issue date Aug 6, 1985
    • The Coleman Company, Inc.
    • Gilbert J. Addison
    • F21 - LIGHTING
  • Information Patent Grant

    Candoluminescent material and its preparation

    • Patent number 4,532,073
    • Issue date Jul 30, 1985
    • Commissariat a l'Energie Atomique
    • Aime Cornu
    • F21 - LIGHTING
  • Information Patent Grant

    2383717

    • Patent number 2,383,717
    • Issue date Aug 28, 1945
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    1020255

    • Patent number 1,020,255
    • Issue date Mar 12, 1912
    • F21 - LIGHTING
  • Information Patent Grant

    996182

    • Patent number 996,182
    • Issue date Jun 27, 1911
    • F21 - LIGHTING
  • Information Patent Grant

    973535

    • Patent number 973,535
    • Issue date Oct 25, 1910
    • F21 - LIGHTING
  • Information Patent Grant

    973253

    • Patent number 973,253
    • Issue date Oct 18, 1910
    • F21 - LIGHTING
  • Information Patent Grant

    972893

    • Patent number 972,893
    • Issue date Oct 18, 1910
    • F21 - LIGHTING
  • Information Patent Grant

    966927

    • Patent number 966,927
    • Issue date Aug 9, 1910
    • F21 - LIGHTING
  • Information Patent Grant

    844849

    • Patent number 844,849
    • Issue date Feb 19, 1907
    • F21 - LIGHTING
  • Information Patent Grant

    768073

    • Patent number 768,073
    • Issue date Aug 23, 1904
    • F21 - LIGHTING
  • Information Patent Grant

    712562

    • Patent number 712,562
    • Issue date Nov 4, 1902
    • F21 - LIGHTING
  • Information Patent Grant

    703064

    • Patent number 703,064
    • Issue date Jun 24, 1902
    • F21 - LIGHTING
  • Information Patent Grant

    684192

    • Patent number 684,192
    • Issue date Oct 8, 1901
    • F21 - LIGHTING
  • Information Patent Grant

    683981

    • Patent number 683,981
    • Issue date Oct 8, 1901
    • F21 - LIGHTING