Frank Zhenhuan Liu

Person

San Carlos, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Treatment of teeth by aligners
- Patent number 11,379,097
- Issue date Jul 5, 2022
- Align Technology, Inc.
- Huafeng Wen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Treatment of teeth by aligners
- Patent number 11,086,490
- Issue date Aug 10, 2021
- Align Technology, Inc.
- Huafeng Wen
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Grant
Treatment of teeth by aligners
- Patent number 9,939,999
- Issue date Apr 10, 2018
- Align Technology, Inc.
- Huafeng Wen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Treatment of teeth by aligners
- Patent number 8,740,614
- Issue date Jun 3, 2014
- Align Technology, Inc.
- Huafeng Wen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Correcting the position of teeth in dental arch model
- Patent number 8,087,932
- Issue date Jan 3, 2012
- Align Technology, Inc.
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Producing wrinkled dental aligner for dental treatment
- Patent number 7,831,322
- Issue date Nov 9, 2010
- Align Technology, Inc.
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
System and methods for casting physical tooth model
- Patent number 7,435,084
- Issue date Oct 14, 2008
- Align Technology, Inc.
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
TREATMENT OF TEETH BY ALIGNERS
- Publication number 20220374119
- Publication date Nov 24, 2022
- Align Technology, Inc.
- Huafeng WEN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TREATMENT OF TEETH BY ALIGNERS
- Publication number 20190107932
- Publication date Apr 11, 2019
- Align Technology, Inc.
- Huafeng WEN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TREATMENT OF TEETH BY ALIGNERS
- Publication number 20170300207
- Publication date Oct 19, 2017
- Align Technology, Inc.
- Huafeng WEN
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
TREATMENT OF TEETH BY ALIGNERS
- Publication number 20140229878
- Publication date Aug 14, 2014
- Align Technology, Inc.
- Huafeng WEN
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TREATMENT OF TEETH BY ALIGNERS
- Publication number 20090286196
- Publication date Nov 19, 2009
- Align Technology, Inc.
- Huafeng Wen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
SYSTEM AND METHODS FOR CASTING PHYSICAL TOOTH MODEL
- Publication number 20090053669
- Publication date Feb 26, 2009
- Align Technology, Inc.
- FRANK ZHENHUAN LIU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Correcting the position of teeth in dental arch model
- Publication number 20080318179
- Publication date Dec 25, 2008
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Multi-layer casting methods and devices
- Publication number 20070092853
- Publication date Apr 26, 2007
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Treatment of teeth by aligners
- Publication number 20060275731
- Publication date Dec 7, 2006
- OrthoClear Holdings, Inc.
- Huafeng Wen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Computer aided orthodontic treatment planning
- Publication number 20060275736
- Publication date Dec 7, 2006
- OrthoClear Holdings, Inc.
- Huafeng Wen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Dental aligner devices having snap-on connectors
- Publication number 20060234179
- Publication date Oct 19, 2006
- Huafeng Wen
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Producing wrinkled dental aligner for dental treatment
- Publication number 20060199153
- Publication date Sep 7, 2006
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Dental aligner for providing accurate dental treatment
- Publication number 20060199142
- Publication date Sep 7, 2006
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Producing physical dental arch model having individually adjustable...
- Publication number 20060199145
- Publication date Sep 7, 2006
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
System and methods for casting physical tooth model
- Publication number 20060127838
- Publication date Jun 15, 2006
- Frank Zhenhuan Liu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Frank Zhenhuan Liu

Person

Patents Grantslast 30 patents

Treatment of teeth by aligners

Treatment of teeth by aligners

Treatment of teeth by aligners

Treatment of teeth by aligners

Correcting the position of teeth in dental arch model

Producing wrinkled dental aligner for dental treatment

System and methods for casting physical tooth model

Patents Applicationslast 30 patents

TREATMENT OF TEETH BY ALIGNERS

TREATMENT OF TEETH BY ALIGNERS

TREATMENT OF TEETH BY ALIGNERS

TREATMENT OF TEETH BY ALIGNERS

TREATMENT OF TEETH BY ALIGNERS

SYSTEM AND METHODS FOR CASTING PHYSICAL TOOTH MODEL

Correcting the position of teeth in dental arch model

Multi-layer casting methods and devices

Treatment of teeth by aligners

Computer aided orthodontic treatment planning

Dental aligner devices having snap-on connectors

Producing wrinkled dental aligner for dental treatment

Dental aligner for providing accurate dental treatment

Producing physical dental arch model having individually adjustable...

System and methods for casting physical tooth model