Inventor

David S. Lafyatis

Inventor
Schaumburg, IL, US

Overview

14→
Patents
1994–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds22%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general14%
Y02TClimate change mitigation technologies related to transportation14%
B01DSeparation11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
C10GCracking hydrocarbon oils5%
F02BInternal-combustion piston engines5%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids3%
C10LFuels not otherwise provided for3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–1995Patents assigned to DU PONT (2)· patent assignee history
1994–1995Patents assigned to UNIV DELAWARE (2)· patent assignee history
1994–1995Based in Gent, BE· patent location history
1998–2003Patents assigned to JOHNSON MATTHEY PLC (4)· patent assignee history
1998–1999Based in Reading, GB· patent location history
2002Based in Malvern, PA, US· patent location history
2003Based in Frazer, PA, US· patent location history
2009–2021Patents assigned to UOP LLC (7)· patent assignee history
2009–2021Based in Schaumburg, IL, US· patent location history
2016Patents assigned to BAKER ERIC J (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UOP LLC72009–2021
JOHNSON MATTHEY PLC41998–2003
DU PONT21994–1995
UNIV DELAWARE21994–1995
BAKER ERIC J12016
Locations
LocationPatentsSpan
Schaumburg, Illinois, US82009–2021
Reading, GB21998–1999
Gent, BE21994–1995
Frazer, Pennsylvania, US12003
Malvern, Pennsylvania, US12002