Inventor

William Chiang

Inventor
Pennington, NJ, US

Overview

13→
Patents
1988–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 13 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds21%
C07DHeterocyclic compounds13%
A61KPreparations for medical, dental or toiletry purposes11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
C02FTreatment of water, waste water, sewage, or sludge6%
A61LMethods or apparatus for sterilising materials or objects in general4%
A61FFilters implantable into blood vessels2%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1992Based in Fayetteville, NY, US· patent location history
1989–1992Patents assigned to POLYPURE INC (3)· patent assignee history
1995–1997Based in Virginia Beach, VA, US· patent location history
2008Based in Yorktown, VA, US· patent location history
2012–2016Patents assigned to BAYER HEALTHCARE LLC (3)· patent assignee history
2012–2014Patents assigned to CHIANG WILLIAM (2)· patent assignee history
2012–2014Patents assigned to FEI JIANGFENG (2)· patent assignee history
2012–2020Based in Pennington, NJ, US· patent location history
2016–2020Patents assigned to ASCENSIA DIABETES CARE HOLDINGS AG (3)· patent assignee history
2016Based in Penninington, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASCENSIA DIABETES CARE HOLDINGS AG32016–2020
BAYER HEALTHCARE LLC32012–2016
POLYPURE INC31989–1992
CHIANG WILLIAMself22012–2014
FEI JIANGFENG22012–2014
Locations
LocationPatentsSpan
Pennington, New Jersey, US52012–2020
Fayetteville, New York, US41988–1992
Virginia Beach, Virginia, US21995–1997
Penninington, New Jersey, US12016
Yorktown, Virginia, US12008