David T. Druhan

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South Bend, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
High-temperature and high-vibration capable armature assemblies for...
- Patent number 9,574,676
- Issue date Feb 21, 2017
- Honeywell International Inc.
- Donna Laboda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flapper assemblies for torque motors of electrohydraulic valves
- Patent number 9,377,122
- Issue date Jun 28, 2016
- Honeywell International Inc.
- David T. Druhan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Flexible, hermetic pivot seal for torque motor
- Patent number 7,726,340
- Issue date Jun 1, 2010
- Honeywell International Inc.
- David T. Druhan
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
HIGH-TEMPERATURE AND HIGH-VIBRATION CAPABLE ARMATURE ASSEMBLIES FOR...
- Publication number 20160215898
- Publication date Jul 28, 2016
- Honeywell International Inc.
- Donna Laboda
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
FLAPPER ASSEMBLIES FOR TORQUE MOTORS OF ELECTROHYDRAULIC VALVES
- Publication number 20150276083
- Publication date Oct 1, 2015
- Honeywell International Inc.
- David T. Druhan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
SINGLE-STAGE NOZZLE FLAPPER TORQUE MOTOR AND ELECTROHYDRAULIC VALVE...
- Publication number 20130048891
- Publication date Feb 28, 2013
- Honeywell International Inc.
- David Druhan
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Flexible, hermetic pivot seal for torque motor
- Publication number 20080110513
- Publication date May 15, 2008
- Honeywell International Inc.
- David T. Druhan
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL