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Rotary valve lockout apparatus
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Patent number 11,879,564
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Issue date Jan 23, 2024
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Edward G. Holtgraver
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hydrant security system
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Patent number 8,561,635
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Issue date Oct 22, 2013
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WCM Industries, Inc.
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Eric Pilarczyk
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E03 - WATER SUPPLY SEWERAGE
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Secure fire hydrant cap
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Patent number 7,797,972
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Issue date Sep 21, 2010
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Flow Security Systems, Inc.
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Mark Nickeas
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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Manual lock pin with lanyard
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Patent number 7,559,528
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Issue date Jul 14, 2009
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Honeywell International Inc.
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Javier Gutierrez
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve opening/closing handle lock mechanism
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Patent number 7,216,667
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Issue date May 15, 2007
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SURPASS INDUSTRY CO., LTD.
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Hiroki Igarashi
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Security lock assembly for shut-off valve
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Patent number 6,604,391
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Issue date Aug 12, 2003
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Centre des Technologies on Gaz Naturel
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Michel Vellette
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Sealed drive screw operator
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Patent number 6,339,630
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Issue date Jan 15, 2002
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The United States of America as represented by the United States Department o...
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Michael S. Hartley
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G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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Lockable fuel valve
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Patent number 5,966,970
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Issue date Oct 19, 1999
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O'Keeffe; John
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Brian Francis Mooney
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B60 - VEHICLES IN GENERAL
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Lockable outdoor water faucet article
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Patent number 5,927,111
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Issue date Jul 27, 1999
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Armand E. Nachbauer
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Security valve assembly
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Patent number 5,799,687
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Issue date Sep 1, 1998
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A. Y. McDonald Mfg. Co.
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John Eckel
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve lock
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Patent number 5,261,445
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Issue date Nov 16, 1993
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Edward Jones
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ball valve lock plate
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Patent number 5,052,655
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Issue date Oct 1, 1991
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Watts Regulator Company
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Rand H. Ackroyd
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lock core service valve
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Patent number 5,046,523
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Issue date Sep 10, 1991
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George Horhota
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve assembly and locking means therefor
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Patent number 4,926,900
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Issue date May 22, 1990
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Niagara Mohawk Power Corporation
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Eugene E. Pietras
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Lock mechanisms
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Patent number 4,723,569
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Issue date Feb 9, 1988
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Ellis (Colchester) Limited
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Alan E. H. Ellis
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Top locking plug valve
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Patent number 4,716,747
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Issue date Jan 5, 1988
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Gas Energy, Inc.
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Onofrio N. Russo
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Automatically locking valve
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Patent number 4,709,720
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Issue date Dec 1, 1987
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Gas Energy, Inc.
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Onofrio N. Russo
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Theft-resistant valve
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Patent number 4,699,168
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Issue date Oct 13, 1987
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Mueller Co.
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William L. Hauffe
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Rotary drive lock
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Patent number 4,638,650
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Issue date Jan 27, 1987
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Carl H. Hafele
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Anti-theft brake lock
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Patent number 4,633,686
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Issue date Jan 6, 1987
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Wesley G. Carr
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B60 - VEHICLES IN GENERAL
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Locking frame for valves
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Patent number 4,534,379
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Issue date Aug 13, 1985
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Parker-Hannifin Corporation
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Donald G. Burge
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...