Inventor

William Chuang

Inventor

Shulin City, TW

Overview

9→

Patents

1989–2016

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

B65Gprimary

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors20%

A45DHairdressing or shaving equipment10%

A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing10%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers10%

F16CShafts10%

F16DCouplings for transmitting rotation10%

G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing10%

LOC1510%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%

PatentTitleYear

9,474,951'Golf tee structures, assemblies, and systems with improved accuracy'2016 8,042,681'Drive roller controller for an accumulating conveyor system'2011 7,588,135'Roller mount for a roller of a conveyer'2009 6,309,109'Bearing assembly'2001 D0436117'Bearing sleeve'2001 5,896,996'Foldable packaging box assembly for a bearing'1999 5,617,935'Friction pad for a disk brake'1997 5,131,885'Coin separating and counting apparatus'1992 4,858,631'Simulated eyebrow applicator'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to CHUANG WILLIAM J (1)· patent assignee history

1989–1997Based in Los Altos, CA, US· patent location history

1992–2016Patents assigned to CHUANG WILLIAM (3)· patent assignee history

1992Patents assigned to NAKAO TETSUO (1)· patent assignee history

1999Patents assigned to HOPE IND CORP (1)· patent assignee history

1999–2001Based in Taipei, TW· patent location history

2001Based in Shulin, Taipei Hsien, TW· patent location history

2009–2011Patents assigned to WORLDWIDE LOGISTICS CORP (2)· patent assignee history

2009–2011Based in Shulin City, TW· patent location history

2016Based in Pittsburgh, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHUANG WILLIAMself	3	1992–2016
WORLDWIDE LOGISTICS CORP	2	2009–2011
CHUANG WILLIAM Jself	1	1989
HOPE IND CORP	1	1999
NAKAO TETSUO	1	1992

Locations

Location	Patents	Span
Shulin City, TW	2	2009–2011
Taipei, TW	2	1999–2001
Los Altos, California, US	2	1989–1997
Pittsburgh, Pennsylvania, US	1	2016
Shulin, Taipei Hsien, TW	1	2001