Inventor

ZHANG ZHIQUN

US25 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG ZHIQUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHANG ZHIQUN

3M INNOVATIVE PROPERTIES CO

Dual media vacuum filter bag

Structured surface filtration media array

Air filtration system using point ionization sources

Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone

Filtration medium including polymeric netting of ribbons and strands

Air cleaner

Refillable air filter assembly

Refillable air filter assembly

Expandable air filters

Collapsible air filter

Air filtration system using point ionization sources

Air cleaner

Methods for making fasteners

Air cleaner

3M INNOVATIVE PROPERTIES COMPANY

Multi-layer, biodegradable composites for air filtration

Air-filter media including a relofted spunbonded web, and methods of making and using

Pleated air filter with bridging filaments and continuous-contact filaments

Air-filter media comprising a relofted spunbonded web, and methods of making and using

BANYAN BIOMARKERS INC

Micro-RNA, autoantibody and protein markers for diagnosis of neuronal injury

Biomarker detection process and assay of neurological condition

MINNESOTA MINING & MFG

Shock resistant high efficiency vacuum cleaner filter bag

OTTENS ANDREW K

Synaptotagmin and collapsin response mediator protein as biomarkers for traumatic brain injury

PARISEAU TIMOTHY P

Mechanical fastener, fastening system, and disposable absorbent article

(unassigned)

Solid-phase activity assay for biologically active substance

ZHANG ZHIQUN

Method and apparatus for identifying data content