-
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Direct vent cap
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Patent number D552726
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Issue date Oct 9, 2007
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Simpson Dura-Vent Company, Inc.
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John R. Jacklich
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D23 - Environmental heating and cooling
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Vent cap
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Patent number D552725
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Issue date Oct 9, 2007
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Simpson Dura-Vent Company, Inc.
-
John R. Jacklich
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D23 - Environmental heating and cooling
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Gas appliance connection
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Patent number 5,165,732
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Issue date Nov 24, 1992
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Simpson Dura Vent Company, Inc.
-
Donald M. Townsend
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Chimney liner system
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Patent number 4,846,147
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Issue date Jul 11, 1989
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Simpson Dura-Vent Company, Inc.
-
Donald M. Townsend
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Thermally balanced air flow chimney
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Patent number 4,608,963
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Issue date Sep 2, 1986
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Simpson Dura-Vent Company, Inc.
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Donald M. Townsend
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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77723770 - POLYPRO
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Serial number 77723770
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Registration number 3998655
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Filing date Apr 28, 2009
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Simpson Dura Vent Company, Inc.
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17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
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77466837 - VENTINOX
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Serial number 77466837
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Registration number 3553486
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Filing date May 6, 2008
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American Boa, Inc.
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6 - Common metals and their alloys
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77306773 - S-VENT
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Serial number 77306773
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Filing date Oct 17, 2007
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Simpson Dura Vent Company, Inc.
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6 - Common metals and their alloys
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77025245 - GREENVENT
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Serial number 77025245
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Registration number 3962005
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Filing date Oct 19, 2006
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Simpson Dura Vent Company, Inc.
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6 - Common metals and their alloys
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78857721 - DURACHIMNEY
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Serial number 78857721
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Registration number 3217555
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Filing date Apr 10, 2006
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Simpson Dura Vent Company, Inc.
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6 - Common metals and their alloys
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78824489 - DURAPRO
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Serial number 78824489
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Registration number 3321257
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Filing date Feb 27, 2006
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Simpson Dura Vent Company, Inc.
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35 - Advertising
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78824565 - PELLETVENT PRO
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Serial number 78824565
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Registration number 3321258
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Filing date Feb 27, 2006
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Simpson Dura Vent Company, Inc.
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6 - Common metals and their alloys
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75832807 - DURATECH
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Serial number 75832807
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Registration number 2381546
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Filing date Oct 28, 1999
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Simpson Dura Vent Company, Inc.
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6 - Common metals and their alloys
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74693242 - SIMPSON DV DURA-VENT
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Serial number 74693242
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Registration number 2039811
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Filing date Jun 22, 1995
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SIMPSON DURA VENT COMPANY, INC.
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6 - Common metals and their alloys
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74677997 - DIRECT VENT
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Serial number 74677997
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Filing date May 22, 1995
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SIMPSON DURA VENT COMPANY, INC.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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74584784 - DIRECT VENT GS
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Serial number 74584784
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Registration number 1927946
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Filing date Oct 12, 1994
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SIMPSON DURA VENT COMPANY, INC.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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74519006 - ENGINEERED EXCELLENCE
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Serial number 74519006
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Registration number 1955373
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Filing date May 2, 1994
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SIMPSON DURA VENT COMPANY, INC.
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6 - Common metals and their alloys
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74518993 - DURAFLEX
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Serial number 74518993
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Registration number 1892929
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Filing date May 2, 1994
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SIMPSON DURA VENT COMPANY, INC.
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6 - Common metals and their alloys
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74127065 - DURACONNECT
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Serial number 74127065
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Registration number 1692407
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Filing date Dec 26, 1990
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SIMPSON DURA VENT COMPANY, INC.
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6 - Common metals and their alloys
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73705479 - DURA/LINER
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Serial number 73705479
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Registration number 1553450
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Filing date Jan 12, 1988
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SIMPSON DURA VENT COMPANY, INC.
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6 - Common metals and their alloys
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73684041 - PELLET-VENT
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Serial number 73684041
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Registration number 1486856
-
Filing date Sep 14, 1987
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SIMPSON DURA VENT COMPANY, INC.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
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73674190 - DVL
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Serial number 73674190
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Registration number 1480449
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Filing date Jul 24, 1987
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SIMPSON DURA VENT COMPANY, INC.
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6 - Common metals and their alloys
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73591405 - DURAPLUS
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Serial number 73591405
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Registration number 1416523
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Filing date Apr 3, 1986
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SIMPSON DURA VENT COMPANY, INC.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes