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Zhaohui Lin
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Salt Lake City, UT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Operatory lights and replacement bulbs for operatory lights
Patent number
11,022,296
Issue date
Jun 1, 2021
CAO Group, Inc
Zhaohui Lin
F21 - LIGHTING
Information
Patent Grant
Operatory lights and replacement bulbs for operatory lights
Patent number
10,690,334
Issue date
Jun 23, 2020
CAO Group, LLC
Zhaohui Lin
F21 - LIGHTING
Information
Patent Grant
LED light bulbs for space lighting
Patent number
8,653,723
Issue date
Feb 18, 2014
CAO Group, Inc.
Densen Cao
F21 - LIGHTING
Information
Patent Grant
Holder for handpiece devices
Patent number
8,220,115
Issue date
Jul 17, 2012
Jack R. Nichols
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Semiconductor forensic light kit
Patent number
7,283,230
Issue date
Oct 16, 2007
CAO Group, Inc.
Calvin D. Ostler
F21 - LIGHTING
Information
Patent Grant
Method for detecting forensic evidence
Patent number
7,267,457
Issue date
Sep 11, 2007
CAO Group, Inc.
Calvin D. Ostler
F21 - LIGHTING
Information
Patent Grant
Forensic light using semiconductor light source
Patent number
7,252,678
Issue date
Aug 7, 2007
Calvin D. Ostler
F21 - LIGHTING
Information
Patent Grant
Method for detecting forensic evidence
Patent number
6,954,270
Issue date
Oct 11, 2005
Cao Group, Inc.
Calvin D. Ostler
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20250013063
Publication date
Jan 9, 2025
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20240016591
Publication date
Jan 18, 2024
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20240016590
Publication date
Jan 18, 2024
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPEUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20230404730
Publication date
Dec 21, 2023
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20230397975
Publication date
Dec 14, 2023
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20230363876
Publication date
Nov 16, 2023
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20230363875
Publication date
Nov 16, 2023
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20230363877
Publication date
Nov 16, 2023
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20230363874
Publication date
Nov 16, 2023
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT AND THERAPUTIC LASER SYSTEMS AND RELATED METHODS
Publication number
20230346530
Publication date
Nov 2, 2023
CAO GROUP, INC.
Zhaohui Lin
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
SYSTEMS COMBINING THERAPEUTIC LASERS AND CURING LIGHTS
Publication number
20220273399
Publication date
Sep 1, 2022
CAO GROUP, INC.
Zhaohui LIN
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CURING LIGHT WITH ROTATIONAL BEARING
Publication number
20220249215
Publication date
Aug 11, 2022
CAO GROUP, INC.
Zihou ZHANG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
OPERATORY LIGHTS AND REPLACEMENT BULBS FOR OPERATORY LIGHTS
Publication number
20200271309
Publication date
Aug 27, 2020
CAO GROUP, INC.
Zhaohui Lin
F21 - LIGHTING
Information
Patent Application
OPERATORY LIGHTS AND REPLACEMENT BULBS FOR OPERATORY LIGHTS
Publication number
20160245495
Publication date
Aug 25, 2016
CAO GROUP, INC.
Zhaohui Lin
F21 - LIGHTING
Information
Patent Application
HOLDER FOR HANDPIECE DEVICES
Publication number
20130153723
Publication date
Jun 20, 2013
CAO GROUP, INC.
Jack R. Nichols
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Holder for handpiece devices
Publication number
20100251522
Publication date
Oct 7, 2010
CAO GROUP, INC.
Jack R. Nichols
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Attenuator coupling for laser systems
Publication number
20100254657
Publication date
Oct 7, 2010
CAO GROUP, INC.
Densen Cao
G02 - OPTICS
Information
Patent Application
LED Light Bulbs for Space Lighting
Publication number
20100207502
Publication date
Aug 19, 2010
Densen Cao
F21 - LIGHTING
Information
Patent Application
Method for detecting forensic evidence
Publication number
20060245176
Publication date
Nov 2, 2006
Calvin D. Ostler
F21 - LIGHTING
Information
Patent Application
Serviceable, exchangeable LED assembly
Publication number
20060061997
Publication date
Mar 23, 2006
Cao Group, Inc.
Zhaohui Lin
F21 - LIGHTING
Information
Patent Application
Forensic light using semiconductor light source
Publication number
20050231965
Publication date
Oct 20, 2005
Calvin D. Ostler
F21 - LIGHTING
Information
Patent Application
Semiconductor forensic light kit
Publication number
20050231966
Publication date
Oct 20, 2005
Calvin D. Ostler
F21 - LIGHTING
Information
Patent Application
Mining light
Publication number
20050174753
Publication date
Aug 11, 2005
Densen Cao
A42 - HEADWEAR
Information
Patent Application
Method for detecting forensic evidence
Publication number
20040119975
Publication date
Jun 24, 2004
Cao Group Inc
Calvin D. Ostler
G01 - MEASURING TESTING
Information
Patent Application
Forensic light using semiconductor light source
Publication number
20040120151
Publication date
Jun 24, 2004
Cao Group, Inc.
Calvin D. Ostler
G01 - MEASURING TESTING
Information
Patent Application
Forensic light kit using semiconductor light source
Publication number
20040120146
Publication date
Jun 24, 2004
Cao Group, Inc.
Calvin D. Ostler
G01 - MEASURING TESTING