John M. Davenport

Person

Tuscon, AZ, US

People

Patents Grantslast 30 patents

Information Patent Grant
System and method for providing high power factor wired lamp control
- Patent number 11,395,396
- Issue date Jul 19, 2022
- Energy Focus, Inc.
- Laszlo A. Takacs
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
System and method for providing high power factor wired lamp control
- Patent number 11,057,981
- Issue date Jul 6, 2021
- Energy Focus, Inc.
- Laszlo A. Takacs
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit for mitigating electric shock
- Patent number 10,892,615
- Issue date Jan 12, 2021
- Energy Focus, Inc.
- Jeremiah A. Heilman
- G01 - MEASURING TESTING
Information Patent Grant
LED lamp with dual mode operation
- Patent number 9,557,044
- Issue date Jan 31, 2017
- Energy Focus, Inc.
- John M. Davenport
- F21 - LIGHTING
Information Patent Grant
Elongated LED lamp for replacing a fluorescent lamp
- Patent number 8,956,006
- Issue date Feb 17, 2015
- Energy Focus, Inc.
- Roger F. Buelow
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Elongated LED lighting arrangement
- Patent number 8,870,428
- Issue date Oct 28, 2014
- Energy Focus, Inc.
- Blair L. Unger
- F21 - LIGHTING
Information Patent Grant
Elongated solid luminaire with light-emitting portion with first an...
- Patent number 8,348,488
- Issue date Jan 8, 2013
- Energy Focus, Inc.
- Roger F. Buelow, II
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Lighted refrigerated display case with remote light source
- Patent number 7,588,342
- Issue date Sep 15, 2009
- Energy Focus, Inc.
- Roger F. Buelow, II
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Efficient luminaire with directional side-light extraction
- Patent number 7,549,783
- Issue date Jun 23, 2009
- Energy Focus, Inc.
- William J. Cassarly
- F21 - LIGHTING
Information Patent Grant
Luminaire with improved lateral illuminance control
- Patent number 7,374,313
- Issue date May 20, 2008
- Energy Focus, Inc.
- William J. Cassarly
- G02 - OPTICS
Information Patent Grant
Fiberoptic luminaire with scattering and specular side-light extrac...
- Patent number 7,330,632
- Issue date Feb 12, 2008
- Energy Focus, Inc.
- Roger F. Buelow, II
- F21 - LIGHTING
Information Patent Grant
Compact, high-efficiency illumination system for video-imaging devices
- Patent number 7,220,035
- Issue date May 22, 2007
- Fiberstars, Inc.
- Roger F. Buelow, II
- G02 - OPTICS
Information Patent Grant
Adjustable-aim light pipe fixture
- Patent number 7,198,398
- Issue date Apr 3, 2007
- Fiberstars, Inc.
- Roger F. Buelow, II
- F21 - LIGHTING
Information Patent Grant
Light pipe with side-light extraction
- Patent number 7,194,184
- Issue date Mar 20, 2007
- Fiberstars Incorporated
- Roger F. Buelow, II
- G02 - OPTICS
Information Patent Grant
Light-pipe arrangement with reduced fresnel-reflection losses
- Patent number 7,190,863
- Issue date Mar 13, 2007
- Fiberstars, Inc.
- Gregory P. Frankiewicz
- G02 - OPTICS
Information Patent Grant
Light appliance and cooling arrangement
- Patent number 7,182,484
- Issue date Feb 27, 2007
- Fiberstars, Inc.
- Roger F. Buelow, II
- F21 - LIGHTING
Information Patent Grant
Efficient luminaire with directional side-light extraction
- Patent number 7,163,326
- Issue date Jan 16, 2007
- Fiberstars, Inc.
- William J. Cassarly
- F21 - LIGHTING
Information Patent Grant
Side-light extraction by light pipe-surface alteration and light-ex...
- Patent number 7,164,819
- Issue date Jan 16, 2007
- Fiberstars, Inc.
- Chris H. Jenson
- G02 - OPTICS
Information Patent Grant
Adjustable light pipe fixture
- Patent number 7,163,329
- Issue date Jan 16, 2007
- Fiberstars, Inc.
- Dave Bina
- F21 - LIGHTING
Information Patent Grant
Light collection system converting ultraviolet energy to visible light
- Patent number 7,008,071
- Issue date Mar 7, 2006
- Fiberstars Incorporated
- Roger F. Buelow, II
- G02 - OPTICS
Information Patent Grant
Fiberoptic lighting system with shaped collector for efficiency
- Patent number 6,942,373
- Issue date Sep 13, 2005
- Fiberstars Incorporated
- Roger F. Buelow, II
- G02 - OPTICS
Information Patent Grant
Efficient directional lighting system
- Patent number 6,554,456
- Issue date Apr 29, 2003
- Advanced Lighting Technologies, Inc.
- Roger F. Buelow
- F21 - LIGHTING
Information Patent Grant
Method of making optical coupling device
- Patent number 6,546,752
- Issue date Apr 15, 2003
- Fiberstars Incorporated
- Juris Sulcs
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Light fixture with submersible enclosure for an electric lamp
- Patent number 6,545,428
- Issue date Apr 8, 2003
- Fiberstars Incorporated
- John M. Davenport
- F21 - LIGHTING
Information Patent Grant
Lighting apparatus for illuminating well-defined limited areas
- Patent number 6,508,579
- Issue date Jan 21, 2003
- Alan J. Ruud
- F21 - LIGHTING
Information Patent Grant
Multi-stranded fiberoptic light delivery system with smooth color t...
- Patent number 6,453,099
- Issue date Sep 17, 2002
- Fiberstars Incorporated
- John M. Davenport
- G02 - OPTICS
Information Patent Grant
Efficient fiberoptic directional lighting system
- Patent number 6,350,050
- Issue date Feb 26, 2002
- Fiberstars Incorporated
- Roger F. Buelow
- G02 - OPTICS
Information Patent Grant
Efficient arrangement for coupling light between light source and l...
- Patent number 6,304,693
- Issue date Oct 16, 2001
- Fiberstars Incorporated
- Roger F. Buelow
- G02 - OPTICS
Information Patent Grant
Waterproof system for delivering light to a light guide
- Patent number 6,302,571
- Issue date Oct 16, 2001
- Fiberstars Incorporated
- John M. Davenport
- G02 - OPTICS
Information Patent Grant
Phosphors for white light generation from UV emitting diodes
- Patent number 6,294,800
- Issue date Sep 25, 2001
- General Electric Company
- Anil Raj Duggal
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
UV DISINFECTION SYSTEM
- Publication number 20210322597
- Publication date Oct 21, 2021
- Energy Focus, Inc.
- James Tu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEM AND METHOD FOR PROVIDING HIGH POWER FACTOR WIRED LAMP CONTROL
- Publication number 20210227672
- Publication date Jul 22, 2021
- Energy Focus, Inc.
- Laszlo A. Takacs
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SYSTEM AND METHOD FOR PROVIDING HIGH POWER FACTOR WIRED LAMP CONTROL
- Publication number 20210051786
- Publication date Feb 18, 2021
- Laszlo A. Takacs
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CIRCUIT FOR MITIGATING ELECTRIC SHOCK
- Publication number 20180310370
- Publication date Oct 25, 2018
- Energy Focus, Inc.
- Jeremiah A. Heilman
- F21 - LIGHTING
Information Patent Application
LED LAMP WITH DUAL MODE OPERATION
- Publication number 20160113076
- Publication date Apr 21, 2016
- Energy Focus, Inc.
- John M. Davenport
- F21 - LIGHTING
Information Patent Application
LED LAMP WITH DUAL MODE OPERATION
- Publication number 20160109070
- Publication date Apr 21, 2016
- Energy Focus, Inc.
- John M. Davenport
- F21 - LIGHTING
Information Patent Application
Elongated LED Lighting Arrangement
- Publication number 20130343079
- Publication date Dec 26, 2013
- Energy Focus, Inc.
- Blair L. Unger
- F21 - LIGHTING
Information Patent Application
LED Fixture with Passive Cooling
- Publication number 20110038145
- Publication date Feb 17, 2011
- Energy Focus, Inc.
- John M. Davenport
- F21 - LIGHTING
Information Patent Application
Light Pipe with Directional Side-Light Extraction
- Publication number 20080144330
- Publication date Jun 19, 2008
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
FIBEROPTIC LUMINAIRE WITH SCATTERING AND SPECULAR SIDE-LIGHT EXTRAC...
- Publication number 20080050087
- Publication date Feb 28, 2008
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
LIGHTED REFRIGERATED DISPLAY CASE WITH REMOTE LIGHT SOURCE
- Publication number 20070291468
- Publication date Dec 20, 2007
- Roger F. Buelow
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Lighted Display Case with Remote Light Source
- Publication number 20070247835
- Publication date Oct 25, 2007
- Roger F. Buelow
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Lighted Refrigerated Display Case with Remote Light Source
- Publication number 20070247831
- Publication date Oct 25, 2007
- Roger F. Buelow
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
DURABLE FIBEROPTIC LIGHTING ARRANGEMENT
- Publication number 20070217205
- Publication date Sep 20, 2007
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
Luminaire with improved lateral illuminance control
- Publication number 20070211488
- Publication date Sep 13, 2007
- William J. Cassarly
- G02 - OPTICS
Information Patent Application
Light-Pipe Arrangement with Reduced Fresnel-Reflection Losses
- Publication number 20070134409
- Publication date Jun 14, 2007
- Gregory P. Frankiewicz
- G02 - OPTICS
Information Patent Application
Efficient Luminaire with Directional Side-Light Extraction
- Publication number 20060232993
- Publication date Oct 19, 2006
- William J. Cassarly
- G02 - OPTICS
Information Patent Application
Adjustable-aim light pipe fixture
- Publication number 20060002136
- Publication date Jan 5, 2006
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
Efficient luminaire with directional side-light extraction
- Publication number 20050231973
- Publication date Oct 20, 2005
- William J. Cassarly
- G02 - OPTICS
Information Patent Application
Light pipe with directional side-light extraction
- Publication number 20040223691
- Publication date Nov 11, 2004
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
Light-pipe arrangement with reduced fresnel-reflection losses
- Publication number 20040218864
- Publication date Nov 4, 2004
- Gregory P. Frankiewicz
- G02 - OPTICS
Information Patent Application
Ligh pipe fixture
- Publication number 20040196666
- Publication date Oct 7, 2004
- Dave Bina
- G02 - OPTICS
Information Patent Application
Light appliance and cooling arrangement
- Publication number 20040184284
- Publication date Sep 23, 2004
- Roger F. Buelow
- F21 - LIGHTING
Information Patent Application
Side-light extraction by light pipe-surface alteration
- Publication number 20040179776
- Publication date Sep 16, 2004
- Chris H. Jenson
- G02 - OPTICS
Information Patent Application
Fiberoptic lighting system with shaped collector for efficiency
- Publication number 20040179349
- Publication date Sep 16, 2004
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
Light pipe with side-light extraction
- Publication number 20040179777
- Publication date Sep 16, 2004
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
Compact, high-efficiency illumination system for video-imaging devices
- Publication number 20040174709
- Publication date Sep 9, 2004
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
Light collection system converting ultraviolet energy to visible light
- Publication number 20040174696
- Publication date Sep 9, 2004
- Roger F. Buelow
- G02 - OPTICS
Information Patent Application
Light fixture with submersible enclosure for an electric lamp
- Publication number 20030026097
- Publication date Feb 6, 2003
- John M. Davenport
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-STRANDED FIBEROPTIC LIGHT DELIVERY SYSTEM WITH SMOOTH COLOR T...
- Publication number 20020106170
- Publication date Aug 8, 2002
- John M. Davenport
- G02 - OPTICS

John M. Davenport

Person

Patents Grantslast 30 patents

System and method for providing high power factor wired lamp control

System and method for providing high power factor wired lamp control

Circuit for mitigating electric shock

LED lamp with dual mode operation

Elongated LED lamp for replacing a fluorescent lamp

Elongated LED lighting arrangement

Elongated solid luminaire with light-emitting portion with first an...

Lighted refrigerated display case with remote light source

Efficient luminaire with directional side-light extraction

Luminaire with improved lateral illuminance control

Fiberoptic luminaire with scattering and specular side-light extrac...

Compact, high-efficiency illumination system for video-imaging devices

Adjustable-aim light pipe fixture

Light pipe with side-light extraction

Light-pipe arrangement with reduced fresnel-reflection losses

Light appliance and cooling arrangement

Efficient luminaire with directional side-light extraction

Side-light extraction by light pipe-surface alteration and light-ex...

Adjustable light pipe fixture

Light collection system converting ultraviolet energy to visible light

Fiberoptic lighting system with shaped collector for efficiency

Efficient directional lighting system

Method of making optical coupling device

Light fixture with submersible enclosure for an electric lamp

Lighting apparatus for illuminating well-defined limited areas

Multi-stranded fiberoptic light delivery system with smooth color t...

Efficient fiberoptic directional lighting system

Efficient arrangement for coupling light between light source and l...

Waterproof system for delivering light to a light guide

Phosphors for white light generation from UV emitting diodes

Patents Applicationslast 30 patents

UV DISINFECTION SYSTEM

SYSTEM AND METHOD FOR PROVIDING HIGH POWER FACTOR WIRED LAMP CONTROL

SYSTEM AND METHOD FOR PROVIDING HIGH POWER FACTOR WIRED LAMP CONTROL

CIRCUIT FOR MITIGATING ELECTRIC SHOCK

LED LAMP WITH DUAL MODE OPERATION

LED LAMP WITH DUAL MODE OPERATION

Elongated LED Lighting Arrangement

LED Fixture with Passive Cooling

Light Pipe with Directional Side-Light Extraction

FIBEROPTIC LUMINAIRE WITH SCATTERING AND SPECULAR SIDE-LIGHT EXTRAC...

LIGHTED REFRIGERATED DISPLAY CASE WITH REMOTE LIGHT SOURCE

Lighted Display Case with Remote Light Source

Lighted Refrigerated Display Case with Remote Light Source

DURABLE FIBEROPTIC LIGHTING ARRANGEMENT

Luminaire with improved lateral illuminance control

Light-Pipe Arrangement with Reduced Fresnel-Reflection Losses

Efficient Luminaire with Directional Side-Light Extraction

Adjustable-aim light pipe fixture

Efficient luminaire with directional side-light extraction

Light pipe with directional side-light extraction

Light-pipe arrangement with reduced fresnel-reflection losses

Ligh pipe fixture

Light appliance and cooling arrangement

Side-light extraction by light pipe-surface alteration

Fiberoptic lighting system with shaped collector for efficiency

Light pipe with side-light extraction

Compact, high-efficiency illumination system for video-imaging devices

Light collection system converting ultraviolet energy to visible light

Light fixture with submersible enclosure for an electric lamp

MULTI-STRANDED FIBEROPTIC LIGHT DELIVERY SYSTEM WITH SMOOTH COLOR T...