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-
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Plug assembly
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Patent number 11,448,352
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Issue date Sep 20, 2022
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EST Group, Inc.
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Danko Kobziar
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Test plug for a pipe elbow
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Patent number 9,823,155
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Issue date Nov 21, 2017
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EST Group, Inc.
-
Ka'ren Sarkissian
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G01 - MEASURING TESTING
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-
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Inner diameter pipe plug
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Patent number 5,797,431
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Issue date Aug 25, 1998
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EST Group, Inc.
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Robert B. Adams
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Outer diameter pipe plug
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Patent number 5,676,174
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Issue date Oct 14, 1997
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EST Group, Inc.
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James P. Berneski
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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86600841 - GRIPTIGHT MAX
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Serial number 86600841
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Registration number 4924296
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Filing date Apr 17, 2015
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EST Group, Inc.
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6 - Common metals and their alloys
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86600819 - GTMAX
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Serial number 86600819
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Registration number 4984862
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Filing date Apr 17, 2015
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EST Group, Inc.
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6 - Common metals and their alloys
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76699719 - HYDRA-LOC
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Serial number 76699719
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Registration number 3808826
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Filing date Oct 2, 2009
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EST Group, Inc.
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6 - Common metals and their alloys
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76699720 - GRIPTIGHT
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Serial number 76699720
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Registration number 3789045
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Filing date Oct 2, 2009
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EST Group, Inc.
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6 - Common metals and their alloys
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76453068 - ESTHX
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Serial number 76453068
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Registration number 2761381
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Filing date Sep 26, 2002
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EST Group, 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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76453067 - EST
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Serial number 76453067
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Registration number 2799921
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Filing date Sep 26, 2002
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EST Group, Inc.
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6 - Common metals and their alloys
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76975710 - EST GROUP INC
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Serial number 76975710
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Registration number 2800198
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Filing date Sep 26, 2002
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EST Group, Inc.
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37 - Building construction