Inventor

John Burns

Inventor

Seaford, DE, US

Overview

1977–2017

Patent span

Human necessities

Primary field (CPC A)

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

D01Fprimary

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons25%

A61KPreparations for medical, dental or toiletry purposes13%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%

C07CAcyclic or carbocyclic compounds13%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure13%

Y10TTechnical subjects covered by former us classification13%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to BOURNS INC (1)· patent assignee history

1977Based in Mira Loma, CA, US· patent location history

1987–1989Patents assigned to DU PONT (2)· patent assignee history

1987–1989Based in Seaford, DE, US· patent location history

2003Patents assigned to BRITISH NUCLEAR FUELS PLC (1)· patent assignee history

2003Based in Jesmond, GB· patent location history

2017Patents assigned to PROSONIX LTD (1)· patent assignee history

2017Based in Oxford, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations