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Expanding gate valve
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Patent number 11,047,486
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Issue date Jun 29, 2021
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Stream-Flo Industries Ltd.
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Keith David Farquharson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ball injector for frac tree
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Patent number 10,731,436
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Issue date Aug 4, 2020
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Stream-Flo Industries Ltd.
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Gregory Wayne Allen
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E21 - EARTH DRILLING MINING
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Ball injector for frac tree
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Patent number 10,161,218
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Issue date Dec 25, 2018
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Stream-Flo Industries Ltd.
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Gregory Wayne Allen
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E21 - EARTH DRILLING MINING
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Blowout preventer and rams
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Patent number 9,243,469
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Issue date Jan 26, 2016
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Stream-Flo Industries Ltd.
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Tianle Guo
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E21 - EARTH DRILLING MINING
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-
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Blowout preventer and rams
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Patent number 8,783,643
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Issue date Jul 22, 2014
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Stream-Flo Industries Ltd.
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Tianle Guo
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E21 - EARTH DRILLING MINING
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Wellhead pipe coupling
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Patent number 8,602,458
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Issue date Dec 10, 2013
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Stream-Flo Industries Ltd.
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Doyle W. Rodgers
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Casing head connector
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Patent number 8,490,706
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Issue date Jul 23, 2013
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Stream-Flo Industries Ltd.
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Doyle W. Rodgers
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Wellhead connection
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Patent number 8,403,057
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Issue date Mar 26, 2013
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Stream-Flo Industries Ltd.
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Doyle W. Rodgers
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E21 - EARTH DRILLING MINING
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-
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Metal seal for wellheads
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Patent number 8,066,061
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Issue date Nov 29, 2011
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Stream-Flo Industries Ltd.
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Keith D. Farquharson
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E21 - EARTH DRILLING MINING
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-
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Polish rod clamping device
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Patent number 7,673,674
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Issue date Mar 9, 2010
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Stream-Flo Industries Ltd.
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Tony M. Lam
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E21 - EARTH DRILLING MINING
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-
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79287532 - STREAM FLO
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Serial number 79287532
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Registration number 6358403
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Filing date Dec 16, 2019
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STREAM-FLO INDUSTRIES LTD.
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6 - Common metals and their alloys
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79286092 - CROWN
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Serial number 79286092
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Registration number 6344113
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Filing date Dec 16, 2019
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STREAM-FLO INDUSTRIES LTD.
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6 - Common metals and their alloys
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79286405 - STREAM-FLO
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Serial number 79286405
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Registration number 6375135
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Filing date Dec 14, 2019
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STREAM-FLO INDUSTRIES LTD.
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6 - Common metals and their alloys
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86050633 - CROWN-JUDD
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Serial number 86050633
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Registration number 4748686
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Filing date Aug 28, 2013
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Stream-Flo Industries Ltd.
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6 - Common metals and their alloys
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77932563 - STREAM FLO
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Serial number 77932563
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Registration number 4214370
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Filing date Feb 10, 2010
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Stream-Flo Industries Ltd.
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6 - Common metals and their alloys
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77926878 - STREAM-FLO
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Serial number 77926878
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Registration number 4214366
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Filing date Feb 3, 2010
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Stream-Flo Industries Ltd.
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6 - Common metals and their alloys
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77363803 - HES
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Serial number 77363803
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Registration number 4063618
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Filing date Jan 3, 2008
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Stream-Flo USA Inc.
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7 - Machines and machine tools
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75273788 - JUDD
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Serial number 75273788
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Registration number 2260253
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Filing date Apr 14, 1997
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Stream-Flo Industries Ltd.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments