Alexander C. Tsuei

Person

Woodbury, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Face mask and method for manufacturing thereof
- Patent number 11,944,138
- Issue date Apr 2, 2024
- Alexander Chieruen Tsuei
- A41 - WEARING APPAREL
Information Patent Grant
Face mask and method for manufacturing thereof
- Patent number 11,730,211
- Issue date Aug 22, 2023
- Alexander Chieruen Tsuei
- A41 - WEARING APPAREL
Information Patent Grant
Face mask and method for manufacturing thereof
- Patent number 11,122,841
- Issue date Sep 21, 2021
- Alexander Chieruen Tsuei
- A41 - WEARING APPAREL
Information Patent Grant
Dispensable face mask and method of making the same
- Patent number 9,616,258
- Issue date Apr 11, 2017
- 3M Innovative Properties Company
- Alexander C. Tsuei
- A41 - WEARING APPAREL
Information Patent Grant
Conformable face mask packaging and dispensing systems
- Patent number 9,272,838
- Issue date Mar 1, 2016
- 3M Innovative Properties Company
- Alexander C. Tsuei
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Conveyor belt cleaning system
- Patent number 7,204,365
- Issue date Apr 17, 2007
- 3M Innovative Properties Company
- Lance E. Behymer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Conveyor belt cleaning system
- Patent number 7,114,610
- Issue date Oct 3, 2006
- 3M Innovative Properties Company
- Lance E. Behymer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Conveyor belt cleaning system
- Patent number 7,055,675
- Issue date Jun 6, 2006
- 3M Innovative Properties Company
- Lance E. Behymer
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Curable water-based coating compositions and cured products thereof
- Patent number 5,783,303
- Issue date Jul 21, 1998
- Minnesota Mining and Manufacturing Company
- Alexander C. Tsuei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Curable water-based coating compositions and cured products thereof
- Patent number 5,643,669
- Issue date Jul 1, 1997
- Minnesota Mining and Manufacturing Company
- Alexander C. Tsuei
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of encapsulation and microcapsules produced thereby
- Patent number 5,589,194
- Issue date Dec 31, 1996
- Minnesota Mining and Manufacturing Company
- Alexander C. Tsuei
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Blendable writing instrument
- Patent number 5,449,399
- Issue date Sep 12, 1995
- Minnesota Mining and Manufacturing Company
- Alexander C.-R. Tsuei
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Microcapsules and methods for making same
- Patent number 5,433,953
- Issue date Jul 18, 1995
- Minnesota Mining and Manufacturing
- Alexander C. Tsuei
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Face Mask and Method for Manufacturing Thereof
- Publication number 20220346473
- Publication date Nov 3, 2022
- Alexander Chieruen Tsuei
- A41 - WEARING APPAREL
Information Patent Application
FACE MASK AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20220039490
- Publication date Feb 10, 2022
- Alexander Chieruen Tsuei
- A41 - WEARING APPAREL
Information Patent Application
FACE MASK AND METHOD FOR MANUFACTURING THEREOF
- Publication number 20210045481
- Publication date Feb 18, 2021
- Alexander Chieruen Tsuei
- A41 - WEARING APPAREL
Information Patent Application
CONFORMABLE FACE MASK PACKAGING AND DISPENSING SYSTEMS
- Publication number 20150191299
- Publication date Jul 9, 2015
- 3M INNOVATIVE PROPERTIE COMPANY
- Alexander C. Tsuei
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
CONFORMABLE FACE MASK
- Publication number 20150173436
- Publication date Jun 25, 2015
- 3M Innovative Properties Company
- Alexander C. Tsuei
- A41 - WEARING APPAREL
Information Patent Application
FACE MASK WITH FLAP AND METHOD OF MAKING THE SAME
- Publication number 20140224261
- Publication date Aug 14, 2014
- 3M Innovative Properties Company
- Alexander C. Tsuei
- A41 - WEARING APPAREL
Information Patent Application
STACK OF INTERFOLDED FACE MASKS AND DISPENSER
- Publication number 20120325843
- Publication date Dec 27, 2012
- 3M INNOVATIVE PROPERTIES COMPANY
- Alexander C. Tsuei
- A41 - WEARING APPAREL
Information Patent Application
DISPENSABLE FACE MASK AND METHOD OF MAKING THE SAME
- Publication number 20120318273
- Publication date Dec 20, 2012
- Alexander C. Tsuei
- A41 - WEARING APPAREL
Information Patent Application
Conveyor Belt Cleaning System
- Publication number 20070017781
- Publication date Jan 25, 2007
- 3M Innovative Properties Company
- Lance E. Behymer
- B08 - CLEANING
Information Patent Application
Conveyor belt cleaning system
- Publication number 20050006204
- Publication date Jan 13, 2005
- 3M Innovative Properties Company
- Lance E. Behymer
- B08 - CLEANING
Information Patent Application
Conveyor belt cleaning system
- Publication number 20040108187
- Publication date Jun 10, 2004
- 3M Innovative Properties Company
- Lance E. Behymer
- B08 - CLEANING
Information Patent Application
Mat product communication system
- Publication number 20020062912
- Publication date May 30, 2002
- 3M Innovative Properties Company
- Smarajit Mitra
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Alexander C. Tsuei

Person

Patents Grantslast 30 patents

Face mask and method for manufacturing thereof

Face mask and method for manufacturing thereof

Face mask and method for manufacturing thereof

Dispensable face mask and method of making the same

Conformable face mask packaging and dispensing systems

Conveyor belt cleaning system

Conveyor belt cleaning system

Conveyor belt cleaning system

Curable water-based coating compositions and cured products thereof

Curable water-based coating compositions and cured products thereof

Method of encapsulation and microcapsules produced thereby

Blendable writing instrument

Microcapsules and methods for making same

Patents Applicationslast 30 patents

Face Mask and Method for Manufacturing Thereof

FACE MASK AND METHOD FOR MANUFACTURING THEREOF

FACE MASK AND METHOD FOR MANUFACTURING THEREOF

CONFORMABLE FACE MASK PACKAGING AND DISPENSING SYSTEMS

CONFORMABLE FACE MASK

FACE MASK WITH FLAP AND METHOD OF MAKING THE SAME

STACK OF INTERFOLDED FACE MASKS AND DISPENSER

DISPENSABLE FACE MASK AND METHOD OF MAKING THE SAME

Conveyor Belt Cleaning System

Conveyor belt cleaning system

Conveyor belt cleaning system

Mat product communication system