using opto-electrically actuated indicating means

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CPC
G01F23/446

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GPHYSICS G01Measuring instruments G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL METERING BY VOLUME G01F23/00Indicating or measuring liquid level, or level of fluent solid material

Current Industry

G01F23/446using opto-electrically actuated indicating means

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Patents Grantslast 30 patents

Information Patent Grant
Invertible optical float switch
- Patent number 10,840,045
- Issue date Nov 17, 2020
- Christopher E. Cox
- G02 - OPTICS
Information Patent Grant
Tethered float liquid level sensor
- Patent number 9,435,679
- Issue date Sep 6, 2016
- Lawrence Livermore National Security, LLC
- William Dean Daily
- G01 - MEASURING TESTING
Information Patent Grant
Optical switch activator with glowable member
- Patent number 9,182,553
- Issue date Nov 10, 2015
- Christopher E. Cox
- G01 - MEASURING TESTING
Information Patent Grant
Optical switch with glowable activator portion
- Patent number 8,658,962
- Issue date Feb 25, 2014
- Christopher E. Cox
- G01 - MEASURING TESTING
Information Patent Grant
Optical switches for tank environments
- Patent number 8,643,498
- Issue date Feb 4, 2014
- Christopher E. Cox
- G01 - MEASURING TESTING
Information Patent Grant
Optical switch activator with glowable member
- Patent number 8,334,501
- Issue date Dec 18, 2012
- Christopher E. Cox
- G01 - MEASURING TESTING
Information Patent Grant
Gauge for bulk fuel storage tanks
- Patent number 8,117,911
- Issue date Feb 21, 2012
- Dennis Rose
- G01 - MEASURING TESTING
Information Patent Grant
Float activated optical switch
- Patent number 7,772,538
- Issue date Aug 10, 2010
- Raleigh L. Cox
- G01 - MEASURING TESTING
Information Patent Grant
Optical switch
- Patent number 7,234,830
- Issue date Jun 26, 2007
- Cox Research & Technology, Inc.
- Raleigh I. Cox
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for encoding fluid level
- Patent number 6,992,757
- Issue date Jan 31, 2006
- Varec, Inc.
- Dirk Holcomb
- G01 - MEASURING TESTING
Information Patent Grant
Error-compensated temperature measuring system
- Patent number 5,655,841
- Issue date Aug 12, 1997
- Whessoe Varec, Inc.
- Harvey Storm
- G01 - MEASURING TESTING
Information Patent Grant
Reversible float for use in a tank gauging system
- Patent number 5,655,403
- Issue date Aug 12, 1997
- Whessoe Varec, Inc.
- Edward R. Topliff
- G01 - MEASURING TESTING
Information Patent Grant
Clock recovery system and rotational detection circuit
- Patent number 5,596,188
- Issue date Jan 21, 1997
- Whessoe Varec, Inc.
- Patrick McElroy
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for indicating the level of a material in a container
- Patent number 5,331,850
- Issue date Jul 26, 1994
- Arkwin Industries Incorporated
- George J. Loos
- G01 - MEASURING TESTING
Information Patent Grant
Total precipitation gauge with float sensor
- Patent number 5,245,874
- Issue date Sep 21, 1993
- RainWise, Inc.
- John S. Baer
- G01 - MEASURING TESTING
Information Patent Grant
Fiber optic displacement sensor using fiber optic coil
- Patent number 5,164,605
- Issue date Nov 17, 1992
- The Babcock & Wilcox Company
- John J. Kidwell
- G01 - MEASURING TESTING
Information Patent Grant
Opto-electronic system for measuring and displaying rotary movement
- Patent number 5,045,691
- Issue date Sep 3, 1991
- Sensors Unlimited Inc.
- W. Paul Steward
- G01 - MEASURING TESTING
Information Patent Grant
Liquid level gauge for tanks
- Patent number 4,983,855
- Issue date Jan 8, 1991
- John F. Grimes
- G01 - MEASURING TESTING
Information Patent Grant
Analog-to-digital encoder unit employing a pre-encoded film with im...
- Patent number 4,052,612
- Issue date Oct 4, 1977
- E. & J. Gallo Winery
- Kenneth A. Larkin
- G01 - MEASURING TESTING
Information Patent Grant
3558861
- Patent number 3,558,861
- Issue date Jan 26, 1971
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
2949777
- Patent number 2,949,777
- Issue date Aug 23, 1960
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical Switch Activator with Glowable Member
- Publication number 20140153869
- Publication date Jun 5, 2014
- Christopher E. Cox
- G02 - OPTICS
Information Patent Application
Optical Switch Activator with Glowable Member
- Publication number 20130121637
- Publication date May 16, 2013
- Christopher E. Cox
- G02 - OPTICS
Information Patent Application
TETHERED FLOAT LIQUID LEVEL SENSOR
- Publication number 20120060601
- Publication date Mar 15, 2012
- William Dean Daily, III
- G01 - MEASURING TESTING
Information Patent Application
Gauge for Bulk Fuel Storage Tanks
- Publication number 20100288042
- Publication date Nov 18, 2010
- Dennis Rose
- G01 - MEASURING TESTING
Information Patent Application
Optical Switch
- Publication number 20070236914
- Publication date Oct 11, 2007
- Raleigh L. Cox
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR ENCODING FLUID LEVEL
- Publication number 20050274915
- Publication date Dec 15, 2005
- Varec, Inc.
- Dirk Holcomb
- G01 - MEASURING TESTING

using opto-electrically actuated indicating means

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Invertible optical float switch

Tethered float liquid level sensor

Optical switch activator with glowable member

Optical switch with glowable activator portion

Optical switches for tank environments

Optical switch activator with glowable member

Gauge for bulk fuel storage tanks

Float activated optical switch

Optical switch

Method and system for encoding fluid level

Error-compensated temperature measuring system

Reversible float for use in a tank gauging system

Clock recovery system and rotational detection circuit

Apparatus for indicating the level of a material in a container

Total precipitation gauge with float sensor

Fiber optic displacement sensor using fiber optic coil

Opto-electronic system for measuring and displaying rotary movement

Liquid level gauge for tanks

Analog-to-digital encoder unit employing a pre-encoded film with im...

3558861

2949777

Patents Applicationslast 30 patents

Optical Switch Activator with Glowable Member

Optical Switch Activator with Glowable Member

TETHERED FLOAT LIQUID LEVEL SENSOR

Gauge for Bulk Fuel Storage Tanks

Optical Switch

METHOD AND SYSTEM FOR ENCODING FLUID LEVEL