David A. Arnold

Person

Waukee, IA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Actuator apparatus with internal tubing and anti-rotation mechanism
- Patent number 9,970,567
- Issue date May 15, 2018
- Fisher Controls International LLC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Diaphragm actuators having adjustable actuation force
- Patent number 9,874,292
- Issue date Jan 23, 2018
- Fisher Controls International LLC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Actuator apparatus with internal tubing and anti-rotation mechanism
- Patent number 9,458,947
- Issue date Oct 4, 2016
- FISHER CONTROLS INTERNATIONAL LC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve shaft apparatus for use with rotary valves
- Patent number 9,103,453
- Issue date Aug 11, 2015
- Fisher Controls International LLC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Actuator having an override apparatus
- Patent number 8,794,589
- Issue date Aug 5, 2014
- Fisher Controls International, LLC
- David Anthony Arnold
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve shaft apparatus for use with rotary valves
- Patent number 8,662,099
- Issue date Mar 4, 2014
- Fisher Controls International, LLC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus to increase a force of an actuator having an override app...
- Patent number 8,549,984
- Issue date Oct 8, 2013
- Fisher Controls International, LLC
- David Anthony Arnold
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Biasing apparatus for use with actuators
- Patent number 8,544,820
- Issue date Oct 1, 2013
- Fisher Controls International LLC
- Douglas P. Gethmann
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Ring sealed diaphragm
- Patent number 7,832,327
- Issue date Nov 16, 2010
- Fisher Controls International LLC
- Douglas P. Gethmann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
ACTUATOR APPARATUS WITH INTERNAL TUBING AND ANTI-ROTATION MECHANISM
- Publication number 20170002952
- Publication date Jan 5, 2017
- FISHER CONTROLS INTERNATIONAL LLC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DIAPHRAGM ACTUATORS HAVING ADJUSTABLE ACTUATION FORCE
- Publication number 20150260306
- Publication date Sep 17, 2015
- FISHER CONTROLS INTERNATIONAL LLC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ACTUATOR APPARATUS WITH INTERNAL TUBING AND ANTI-ROTATION MECHANISM
- Publication number 20150240965
- Publication date Aug 27, 2015
- FISHER CONTROLS INTERNATIONAL LLC
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
VALVE SHAFT APPARATUS FOR USE WITH ROTARY VALVES
- Publication number 20140131608
- Publication date May 15, 2014
- FISHER CONTROLS INTERNATIONAL, LLC
- David Anthony Arnold
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
VALVE SHAFT APPARATUS FOR USE WITH ROTARY VALVES
- Publication number 20110260086
- Publication date Oct 27, 2011
- David Anthony Arnold
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
APPARARTUS TO INCREASE A FORCE OF AN ACTUATOR HAVING AN OVERRIDE AP...
- Publication number 20110155937
- Publication date Jun 30, 2011
- David Anthony Arnold
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
BIASING APPARATUS FOR USE WITH ACTUATORS
- Publication number 20100327207
- Publication date Dec 30, 2010
- Douglas P. Gethmann
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
ACTUATOR HAVING AN OVERRIDE APPARATUS
- Publication number 20100187454
- Publication date Jul 29, 2010
- David Anthony Arnold
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Ring Sealed Diaphragm
- Publication number 20090145294
- Publication date Jun 11, 2009
- Douglas P. Gethmann
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

David A. Arnold

Person

Patents Grantslast 30 patents

Actuator apparatus with internal tubing and anti-rotation mechanism

Diaphragm actuators having adjustable actuation force

Actuator apparatus with internal tubing and anti-rotation mechanism

Valve shaft apparatus for use with rotary valves

Actuator having an override apparatus

Valve shaft apparatus for use with rotary valves

Apparatus to increase a force of an actuator having an override app...

Biasing apparatus for use with actuators

Ring sealed diaphragm

Patents Applicationslast 30 patents

ACTUATOR APPARATUS WITH INTERNAL TUBING AND ANTI-ROTATION MECHANISM

DIAPHRAGM ACTUATORS HAVING ADJUSTABLE ACTUATION FORCE

ACTUATOR APPARATUS WITH INTERNAL TUBING AND ANTI-ROTATION MECHANISM

VALVE SHAFT APPARATUS FOR USE WITH ROTARY VALVES

VALVE SHAFT APPARATUS FOR USE WITH ROTARY VALVES

APPARARTUS TO INCREASE A FORCE OF AN ACTUATOR HAVING AN OVERRIDE AP...

BIASING APPARATUS FOR USE WITH ACTUATORS

ACTUATOR HAVING AN OVERRIDE APPARATUS

Ring Sealed Diaphragm