Inventor

Peter Johnston

Inventor
Royston, GB

Overview

10→
Patents
2003–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 10 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C07CAcyclic or carbocyclic compounds20%
B01DSeparation10%
B22FWorking metallic powder7%
C22CAlloys7%
Y02ATechnologies for adaptation to climate change7%
Y02TClimate change mitigation technologies related to transportation7%
C01BNon-metallic elements3%
C01CAmmonia3%
C02FTreatment of water, waste water, sewage, or sludge3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2020Patents assigned to JOHNSON MATTHEY PLC (9)· patent assignee history
2003Patents assigned to BP CHEM INT LTD (2)· patent assignee history
2003–2020Based in Royston, GB· patent location history
2004Based in Hertfordshire, GB· patent location history
2015–2017Patents assigned to JOHNSTON PETER (3)· patent assignee history
2016Patents assigned to BISHOP PETER TRENTON (1)· patent assignee history
2016Patents assigned to CARTHEY NICHOLAS ANDREW (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JOHNSON MATTHEY PLC92003–2020
JOHNSTON PETERself32015–2017
BP CHEM INT LTD22003
BISHOP PETER TRENTON12016
CARTHEY NICHOLAS ANDREW12016
Locations
LocationPatentsSpan
Royston, GB92003–2020
Hertfordshire, GB12004