Zhiqun Zhang

Person

Woodbury, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multi-layer, biodegradable composites for air filtration
- Patent number 12,109,520
- Issue date Oct 8, 2024
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Air-filter media including a relofted spunbonded web, and methods o...
- Patent number 12,097,454
- Issue date Sep 24, 2024
- 3M Innovative Properties Company
- Liang Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pleated air filter with bridging filaments and continuous-contact f...
- Patent number 12,017,175
- Issue date Jun 25, 2024
- 3M Innovative Properties Company
- Zhiqun Zhang
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
Information Patent Grant
Air-filter media comprising a relofted spunbonded web, and methods...
- Patent number 11,839,845
- Issue date Dec 12, 2023
- 3M Innovative Properties Company
- Zhiqun Zhang
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Air filter with visual filter life indicator zone and sorbent-loade...
- Patent number 11,027,231
- Issue date Jun 8, 2021
- 3M Innovative Properties Company
- Liang Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Refillable air filter assembly
- Patent number 10,994,235
- Issue date May 4, 2021
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Expandable air filters
- Patent number 10,981,099
- Issue date Apr 20, 2021
- 3M Innovative Properties Company
- Glen O. Gregerson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Collapsible air filter
- Patent number 10,406,472
- Issue date Sep 10, 2019
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Refillable air filter assembly
- Patent number 10,328,371
- Issue date Jun 25, 2019
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Filtration medium including polymeric netting of ribbons and strands
- Patent number 10,265,653
- Issue date Apr 23, 2019
- 3M Innovative Properties Company
- Andrew R. Fox
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Mechanical fastener, fastening system, and disposable absorbent art...
- Patent number 10,165,833
- Issue date Jan 1, 2019
- 3M Innovative Properties Company
- Timothy P. Pariseau
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Methods for making fasteners
- Patent number 7,636,988
- Issue date Dec 29, 2009
- 3M Innovative Properties Company
- Zhiqun Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Air filtration system using point ionization sources
- Patent number 7,141,098
- Issue date Nov 28, 2006
- 3M Innovative Properties Company
- Zhiqun Zhang
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Air filtration system using point ionization sources
- Patent number 6,758,884
- Issue date Jul 6, 2004
- 3M Innovative Properties Company
- Zhiqun Zhang
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Air cleaner
- Patent number D492019
- Issue date Jun 22, 2004
- 3M Innovative Properties Company
- Zhiqun Zhang
- D23 - Environmental heating and cooling
Information Patent Grant
Air cleaner
- Patent number D491655
- Issue date Jun 15, 2004
- 3M Innovative Properties Company
- Zhiqun Zhang
- D23 - Environmental heating and cooling
Information Patent Grant
Air cleaner
- Patent number D484228
- Issue date Dec 23, 2003
- 3M Innovative Properties Company
- Zhiqun Zhang
- D23 - Environmental heating and cooling
Information Patent Grant
Structured surface filtration media array
- Patent number 6,589,317
- Issue date Jul 8, 2003
- 3M Innovative Properties Company
- Zhiqun Zhang
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Dual media vacuum filter bag
- Patent number 6,156,086
- Issue date Dec 5, 2000
- 3M Innovative Properties Company
- Zhiqun Zhang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Shock resistant high efficiency vacuum cleaner filter bag
- Patent number 5,647,881
- Issue date Jul 15, 1997
- Minnesota Mining and Manufacturing Company
- Zhiqun Zhang
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Air-Filter Media Including a Relofted Spunbonded Web, and Methods o...
- Publication number 20250010228
- Publication date Jan 9, 2025
- 3M Innovative Properties Company
- Liang Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MULTI-LAYER, BIODEGRADABLE COMPOSITES FOR AIR FILTRATION
- Publication number 20220096977
- Publication date Mar 31, 2022
- 3M Innovative Properties Company
- Zhiqun Zhang
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Application
AIR-FILTER MEDIA INCLUDING A RELOFTED SPUNBONDED WEB, AND METHODS O...
- Publication number 20210308610
- Publication date Oct 7, 2021
- 3M Innovative Properties Company
- Liang Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PLEATED AIR FILTER WITH BRIDGING FILAMENTS AND CONTINUOUS-CONTACT F...
- Publication number 20210229022
- Publication date Jul 29, 2021
- 3M INNOVATIVE PROPERTIES COMPANY
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AIR-FILTER MEDIA COMPRISING A RELOFTED SPUNBONDED WEB, AND METHODS...
- Publication number 20210229012
- Publication date Jul 29, 2021
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
AIR FILTER WITH VISUAL FILTER LIFE INDICATOR ZONE AND SORBENT-LOADE...
- Publication number 20190314751
- Publication date Oct 17, 2019
- 3M Innovative Properties Company
- Liang Cheng
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Refillable Air Filter Assembly
- Publication number 20190262755
- Publication date Aug 29, 2019
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
EXPANDABLE AIR FILTERS
- Publication number 20180272263
- Publication date Sep 27, 2018
- 3M Innovative Properties Company
- Glen O. Gregerson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Refillable Air Filter Assembly
- Publication number 20170182445
- Publication date Jun 29, 2017
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FILTRATION MEDIUM INCLUDING POLYMERIC NETTING OF RIBBONS AND STRANDS
- Publication number 20170065923
- Publication date Mar 9, 2017
- 3M Innovative Properties Company
- Andrew R. Fox
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
LOOP COMPONENTS FOR HOOK-AND-LOOP FASTENERS AND METHODS OF MAKING T...
- Publication number 20160302534
- Publication date Oct 20, 2016
- 3M Innovative Properties Company
- Zhiqun Zhang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
COLLAPSIBLE AIR FILTER
- Publication number 20160263515
- Publication date Sep 15, 2016
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COLLAPSIBLE AIR FILTER ASSEMBLY
- Publication number 20150267927
- Publication date Sep 24, 2015
- 3M Innovative Properties Company
- Zhiqun Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MECHANICAL FASTENER, FASTENING SYSTEM, AND DISPOSABLE ABSORBENT ART...
- Publication number 20140350507
- Publication date Nov 27, 2014
- 3M Innovative Properties Company
- Timothy P. Pariseau
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHODS FOR MAKING FASTENERS
- Publication number 20100055326
- Publication date Mar 4, 2010
- 3M Innovative Properties Company
- Zhiqun Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
FASTENER WEBS WITH MICROSTRUCTURED PARTICLES AND METHODS OF MAKING...
- Publication number 20080178436
- Publication date Jul 31, 2008
- 3M Innovative Properties Company
- Zhiqun Zhang
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
METHODS FOR MAKING FASTENERS
- Publication number 20080060173
- Publication date Mar 13, 2008
- 3M Innovative Properties Company
- Zhiqun Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Air filtration system using point ionization sources
- Publication number 20050160907
- Publication date Jul 28, 2005
- 3M Innovative Properties Company
- Zhiqun Zhang
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Air filtration system using point ionization sources
- Publication number 20040025695
- Publication date Feb 12, 2004
- 3M Innovative Properties Company
- Zhiqun Zhang
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Structured surface filtration media array
- Publication number 20030089236
- Publication date May 15, 2003
- 3M Innovative Properties Company
- Zhiqun Zhang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Zhiqun Zhang

Person

Patents Grantslast 30 patents

Multi-layer, biodegradable composites for air filtration

Air-filter media including a relofted spunbonded web, and methods o...

Pleated air filter with bridging filaments and continuous-contact f...

Air-filter media comprising a relofted spunbonded web, and methods...

Air filter with visual filter life indicator zone and sorbent-loade...

Refillable air filter assembly

Expandable air filters

Collapsible air filter

Refillable air filter assembly

Filtration medium including polymeric netting of ribbons and strands

Mechanical fastener, fastening system, and disposable absorbent art...

Methods for making fasteners

Air filtration system using point ionization sources

Air filtration system using point ionization sources

Air cleaner

Air cleaner

Air cleaner

Structured surface filtration media array

Dual media vacuum filter bag

Shock resistant high efficiency vacuum cleaner filter bag

Patents Applicationslast 30 patents

Air-Filter Media Including a Relofted Spunbonded Web, and Methods o...

MULTI-LAYER, BIODEGRADABLE COMPOSITES FOR AIR FILTRATION

AIR-FILTER MEDIA INCLUDING A RELOFTED SPUNBONDED WEB, AND METHODS O...

PLEATED AIR FILTER WITH BRIDGING FILAMENTS AND CONTINUOUS-CONTACT F...

AIR-FILTER MEDIA COMPRISING A RELOFTED SPUNBONDED WEB, AND METHODS...

AIR FILTER WITH VISUAL FILTER LIFE INDICATOR ZONE AND SORBENT-LOADE...

Refillable Air Filter Assembly

EXPANDABLE AIR FILTERS

Refillable Air Filter Assembly

FILTRATION MEDIUM INCLUDING POLYMERIC NETTING OF RIBBONS AND STRANDS

LOOP COMPONENTS FOR HOOK-AND-LOOP FASTENERS AND METHODS OF MAKING T...

COLLAPSIBLE AIR FILTER

COLLAPSIBLE AIR FILTER ASSEMBLY

MECHANICAL FASTENER, FASTENING SYSTEM, AND DISPOSABLE ABSORBENT ART...

METHODS FOR MAKING FASTENERS

FASTENER WEBS WITH MICROSTRUCTURED PARTICLES AND METHODS OF MAKING...

METHODS FOR MAKING FASTENERS

Air filtration system using point ionization sources

Air filtration system using point ionization sources

Structured surface filtration media array