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Myron D. Tupper
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Boring, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Fluid operated device with improved seal valve
Patent number
7,827,903
Issue date
Nov 9, 2010
LatchTool Group LLC
Myron D. Tupper
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Hydraulically powered gripping tool
Patent number
7,251,980
Issue date
Aug 7, 2007
LatchTool Group LLC
Bill Gallentine
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Modulated overpressure valve structure for fluid operated device
Patent number
6,957,603
Issue date
Oct 25, 2005
Latch-Tool Development Co. LLC
Myron D. Tupper
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Valve structure for a fluid operated device
Patent number
6,341,621
Issue date
Jan 29, 2002
Latch-Tool Development Co. LLC
Myron D. Tupper
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Compact, resistance regulated, multiple output hydraulic tool and s...
Patent number
6,035,634
Issue date
Mar 14, 2000
Latch-Tool Development Co. LLC
Myron D. Tupper
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Three speed circuit for hydraulic tool
Patent number
5,836,400
Issue date
Nov 17, 1998
Myron D. Tupper
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
Information
Patent Application
Dynamic heat exchanger
Publication number
20090101302
Publication date
Apr 23, 2009
Myron D. Tupper
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Fluid operated device with improved seal valve
Publication number
20080079221
Publication date
Apr 3, 2008
Myron D. Tupper
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Application
Force multiplying structure for ram actuated devices
Publication number
20070089558
Publication date
Apr 26, 2007
Myron D. Tupper
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
Hydraulically powered gripping tool
Publication number
20060230810
Publication date
Oct 19, 2006
Bill Gallentine
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS