Wayne W. Lark

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Joliet, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Metering valve with integral relief and makeup function
- Patent number 7,258,058
- Issue date Aug 21, 2007
- Caterpillar Inc.
- David P. Smith
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Fluid cylinder with embedded positioning sensor
- Patent number 6,509,733
- Issue date Jan 21, 2003
- Caterpillar Inc.
- James F. Blubaugh
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Signal improvement in the sensing of hydraulic cylinder piston posi...
- Patent number 5,617,034
- Issue date Apr 1, 1997
- Caterpillar Inc.
- Wayne W. Lark
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Hydraulic cylinder with an electrical contacting and sealing ring
- Patent number 5,560,278
- Issue date Oct 1, 1996
- Caterpillar Inc.
- Wayne W. Lark
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electrical contacting in electromagnetic wave piston position sensi...
- Patent number 5,540,137
- Issue date Jul 30, 1996
- Caterpillar Inc.
- Wayne W. Lark
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Piezo-electric actuated valve
- Publication number 20090032746
- Publication date Feb 5, 2009
- Caterpillar Inc.
- David Paul Smith
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
System and method for measuring fluid aeration
- Publication number 20080297766
- Publication date Dec 4, 2008
- Caterpillar Inc.
- Eric Peter Gengler
- G01 - MEASURING TESTING
Information Patent Application
Metering valve with integral relief and makeup function
- Publication number 20070044649
- Publication date Mar 1, 2007
- Caterpillar Inc. and Shin Caterpillar Mitsubishi Ltd.
- David P. Smith
- G05 - CONTROLLING REGULATING
Information Patent Application
Fluid cylinder with embedded positioning sensor
- Publication number 20020074994
- Publication date Jun 20, 2002
- James F. Blubaugh
- G01 - MEASURING TESTING