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Inventor

Qiong Gao

Inventor
Great Neck, NY, US

Overview

7→
Patents
2003–2019
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A24Dprimary
A24DCigars38%
B01DSeparation31%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids8%
D01DMechanical methods or apparatus in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,357,730Filter media and elements20199,474,994'Filter media and elements'20166,919,105'Continuous process for retaining solid adsorbent particles on shaped micro-cavity fibers'20056,913,784'Continuous process for impregnating solid adsorbent particles into shaped micro-cavity fibers and fiber filters'20056,907,885'High efficiency cigarette filters having shaped micro cavity fibers impregnated with adsorbent or absorbent materials'20056,779,528'High surface area micro-porous fibers from polymer solutions'20046,584,979'High efficiency cigarette filters having shaped microcavity fibers impregnated with adsorbent or absorbent materials'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to PHILIP MORRIS INC (2)· patent assignee history
2003–2005Based in Great Neck, NY, US· patent location history
2005Patents assigned to PHILIP MORRIS USA INC (3)· patent assignee history
2016–2019Patents assigned to DONALDSON CO INC (2)· patent assignee history
2016–2019Based in Minneapolis, MN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PHILIP MORRIS USA INC32005
DONALDSON CO INC22016–2019
PHILIP MORRIS INC22003–2004
Locations
LocationPatentsSpan
Great Neck, New York, US52003–2005
Minneapolis, Minnesota, US22016–2019