Inventor

Fengqing Wu

Inventor

Duluth, GA, US

Overview

9→

Patents

2004–2014

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C03Bprimary

C03BManufacture, shaping, or supplementary processes43%

G02BOptical elements, systems or apparatus21%

E05FDevices for moving wings into open or closed position14%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof14%

Y10TTechnical subjects covered by former us classification7%

PatentTitleYear

8,713,756'Door closer stopper'2014 8,307,496'Air pressure inner circulation-type automatic compensation control door closer'2012 8,196,437'Increasing the cladding-to-core ratio (D/d) of low D/d core rods in optical fiber preforms'2012 7,836,728'Increasing the cladding-to-core ratio (D/d) of low D/d ratio core rods in optical fiber performs'2010 7,021,083'Manufacture of high purity glass tubes'2006 6,928,841'Optical fiber preform manufacture using improved VAD'2005 6,923,024'VAD manufacture of optical fiber preforms with improved deposition control'2005 6,904,218'Super-large-effective-area (SLA) optical fiber and communication system incorporating the same'2005 6,834,516'Manufacture of optical fiber preforms using modified VAD'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2005Patents assigned to FURUKAWA ELECTRIC NORTH AM INC (3)· patent assignee history

2004–2012Based in Duluth, GA, US· patent location history

2010–2012Patents assigned to OFS FITEL LLC (2)· patent assignee history

2012–2014Patents assigned to WU FENGQING (3)· patent assignee history

2012–2014Patents assigned to CMECH GUANGZHOU IND LTD (2)· patent assignee history

2012Patents assigned to BARISH ERIC L (1)· patent assignee history

2012Based in Zengcheng, CN· patent location history

2014Based in Guangzhou, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FURUKAWA ELECTRIC NORTH AM INC	3	2004–2005
WU FENGQINGself	3	2012–2014
CMECH GUANGZHOU IND LTD	2	2012–2014
OFS FITEL LLC	2	2010–2012
BARISH ERIC L	1	2012

Locations

Location	Patents	Span
Duluth, Georgia, US	7	2004–2012
Guangzhou, CN	1	2014
Zengcheng, CN	1	2012