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Robert C. Walker
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Redwood City, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Device for UV-LED liquid monitoring and treatment
Patent number
10,959,443
Issue date
Mar 30, 2021
LARQ, INC.
Yitao Liao
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
UV-LED liquid monitoring and treatment apparatus and method
Patent number
10,669,166
Issue date
Jun 2, 2020
LARQ INC.
Yitao Liao
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Device for UV-LED liquid monitoring and treatment
Patent number
10,570,028
Issue date
Feb 25, 2020
LARQ, INC.
Yitao Liao
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Device for UV-LED liquid monitoring and treatment
Patent number
10,561,156
Issue date
Feb 18, 2020
LARQ INC.
Yitao Liao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
UV light emitting devices and systems and methods for production
Patent number
10,439,099
Issue date
Oct 8, 2019
RayVio Corporation
Yitao Liao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Luminaire with white light LEDs and UV LEDs for lighting and disinf...
Patent number
10,363,327
Issue date
Jul 30, 2019
RayVio Corporation
Yitao Liao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ultraviolet light source and methods
Patent number
10,265,430
Issue date
Apr 23, 2019
RayVio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
UV-LED liquid monitoring and treatment apparatus and method
Patent number
10,227,241
Issue date
Mar 12, 2019
RayVio Corporation
Yitao Liao
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Semiconductor device and a method of making a semiconductor device
Patent number
10,224,443
Issue date
Mar 5, 2019
RayVio Corporation
Douglas A. Collins
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System and method for UV-LED liquid monitoring and disinfection
Patent number
10,214,431
Issue date
Feb 26, 2019
RayVio Corporation
Yitao Liao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
White light LEDs and UV LEDs in same luminaire for lighting and dis...
Patent number
10,166,309
Issue date
Jan 1, 2019
RayVio Corporation
Yitao Liao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ultraviolet light source and methods
Patent number
9,943,618
Issue date
Apr 17, 2018
RayVio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
UV light emitting devices and systems and methods for production
Patent number
9,793,433
Issue date
Oct 17, 2017
RayVio Corporation
Yitao Liao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ultraviolet light source and methods
Patent number
9,669,121
Issue date
Jun 6, 2017
RayVio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Semiconductor device and a method of making a semiconductor device
Patent number
9,627,579
Issue date
Apr 18, 2017
RayVio Corporation
Douglas A. Collins
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ultraviolet light source and methods
Patent number
9,566,357
Issue date
Feb 14, 2017
RayVio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Ultraviolet light source and methods
Patent number
9,468,695
Issue date
Oct 18, 2016
RayVio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Semiconductor device and a method of making a semiconductor device
Patent number
9,219,204
Issue date
Dec 22, 2015
RayVio Corporation
Douglas A. Collins
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ultraviolet light source and methods
Patent number
8,884,258
Issue date
Nov 11, 2014
Rayvio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Portable UV-LED water purification system
Patent number
8,816,300
Issue date
Aug 26, 2014
Rayvio Corporation
Robert C. Walker
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
DEVICE FOR UV-LED LIQUID MONITORING AND TREATMENT
Publication number
20200146306
Publication date
May 14, 2020
LARQ, INC.
Yitao Liao
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
UV-LED LIQUID MONITORING AND TREATMENT APPARATUS AND METHOD
Publication number
20190202715
Publication date
Jul 4, 2019
RayVio Corporation
Yitao LIAO
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
LUMINAIRE WITH WHITE LIGHT LEDS AND UV LEDS FOR LIGHTING AND DISINF...
Publication number
20190091358
Publication date
Mar 28, 2019
RayVio Corporation
Yitao Liao
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ULTRAVIOLET LIGHT SOURCE AND METHODS
Publication number
20180193505
Publication date
Jul 12, 2018
RayVio Corporation
Yitao LIAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
UV LIGHT EMITTING DEVICES AND SYSTEMS AND METHODS FOR PRODUCTION
Publication number
20170317229
Publication date
Nov 2, 2017
RayVio Corporation
Yitao LIAO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DEVICE FOR UV-LED LIQUID MONITORING AND TREATMENT
Publication number
20170280737
Publication date
Oct 5, 2017
RayVio Corporation
Yitao LIAO
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
ULTRAVIOLET LIGHT SOURCE AND METHODS
Publication number
20170266330
Publication date
Sep 21, 2017
RayVio Corporation
Yitao LIAO
G01 - MEASURING TESTING
Information
Patent Application
SEMICONDUCTOR DEVICE AND A METHOD OF MAKING A SEMICONDUCTOR DEVICE
Publication number
20170222075
Publication date
Aug 3, 2017
RayVio Corporation
Douglas A. Collins
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DEVICE FOR UV-LED LIQUID MONITORING AND TREATMENT
Publication number
20170190598
Publication date
Jul 6, 2017
RayVio Corporation
Yitao LIAO
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
UV LIGHT EMITTING DEVICES AND SYSTEMS AND METHODS FOR PRODUCTION
Publication number
20170025565
Publication date
Jan 26, 2017
RayVio Corporation
Yitao LIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WHITE LIGHT LEDS AND UV LEDS IN SAME LUMINAIRE FOR LIGHTING AND DIS...
Publication number
20160296650
Publication date
Oct 13, 2016
RayVio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
UV-LED LIQUID MONITORING AND TREATMENT APPARATUS AND METHOD
Publication number
20160289090
Publication date
Oct 6, 2016
RayVio Corporation
Yitao LIAO
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
SYSTEM AND METHOD FOR DISPENSING UV TREATED MATERIALS
Publication number
20160278424
Publication date
Sep 29, 2016
RayVio Corporation
Yitao LIAO
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
SYSTEM AND METHOD FOR UV-LED LIQUID MONITORING AND TREATMENT
Publication number
20160280562
Publication date
Sep 29, 2016
RayVio Corporation
Yitao LIAO
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
APPLICATIONS OF UV LEDS FOR DISINFECTION
Publication number
20160271280
Publication date
Sep 22, 2016
RayVio Corporation
Yitao Liao
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT SOURCE AND METHODS
Publication number
20160089457
Publication date
Mar 31, 2016
RayVio Corporation
Yitao LIAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT SOURCE AND METHODS
Publication number
20160093412
Publication date
Mar 31, 2016
RayVio Corporation
Yitao LIAO
G01 - MEASURING TESTING
Information
Patent Application
ULTRAVIOLET LIGHT SOURCE AND METHODS
Publication number
20160089458
Publication date
Mar 31, 2016
RayVio Corporation
Yitao LIAO
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
UV LIGHT EMITTING DEVICES AND SYSTEMS AND METHODS FOR PRODUCTION
Publication number
20160079471
Publication date
Mar 17, 2016
RayVio Corporation
Yitao LIAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE AND A METHOD OF MAKING A SEMICONDUCTOR DEVICE
Publication number
20160079495
Publication date
Mar 17, 2016
RayVio Corporation
Douglas A. COLLINS
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
UV LIGHT EMITTING DEVICES AND SYSTEMS AND METHODS FOR PRODUCTION
Publication number
20160027962
Publication date
Jan 28, 2016
RayVio Corporation
Yitao LIAO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...