Inventor

David Hepworth

Inventor
Concord, MA, US

Overview

25→
Patents
2002–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 25 as inventor

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

C07Dprimary
C07DHeterocyclic compounds35%
A61KPreparations for medical, dental or toiletry purposes24%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations24%
C07CAcyclic or carbocyclic compounds10%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%
Y02ATechnologies for adaptation to climate change1%
Y02PClimate change mitigation technologies in the production or processing of goods1%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2021Patents assigned to PFIZER (24)· patent assignee history
2002Patents assigned to SCRIPPS RESEARCH INST (1)· patent assignee history
2002–2003Based in Kent, GB· patent location history
2002Based in San Diego, CA, US· patent location history
2004–2010Based in Sandwich, GB· patent location history
2011Based in Noank, CT, US· patent location history
2014Patents assigned to CONN EDWARD L (1)· patent assignee history
2014Patents assigned to HEPWORTH DAVID (1)· patent assignee history
2014Patents assigned to RUGGERI ROGER B (1)· patent assignee history
2014–2021Based in Concord, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PFIZER242002–2021
CONN EDWARD L12014
HEPWORTH DAVIDself12014
RUGGERI ROGER B12014
SCRIPPS RESEARCH INST12002
Locations
LocationPatentsSpan
Concord, Massachusetts, US142014–2021
Sandwich, GB62004–2010
Kent, GB32002–2003
Noank, CT, US12011
San Diego, California, US12002