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Inventor

Michael H. O'Brien

Inventor
Idaho Falls, ID, US

Overview

4→
Patents
1991–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B01Dprimary
B01DSeparation10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
B09BDisposal of solid waste not otherwise provided for10%
C03CChemical composition of glasses, glazes or vitreous enamels10%
C04BLime, magnesia10%
C08LCompositions of macromolecular compounds10%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general10%
G21FProtection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment10%
Y02ATechnologies for adaptation to climate change10%
Y02TClimate change mitigation technologies related to transportation10%
PatentTitleYear
10,975,745Passive NO20215,962,630'Process and material that encapsulates solid hazardous waste'19995,316,988'Sialon ceramic compositions and methods of fabrication'19945,006,142'Oxynitride glass production procedure'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1999Patents assigned to US ENERGY (2)· patent assignee history
1991–1999Based in Idaho Falls, ID, US· patent location history
1994Patents assigned to EG & G IDAHO INC (1)· patent assignee history
2021Patents assigned to JOHNSON MATTHEY PLC (1)· patent assignee history
2021Based in Royston, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US ENERGY21991–1999
EG & G IDAHO INC11994
JOHNSON MATTHEY PLC12021
Locations
LocationPatentsSpan
Idaho Falls, ID, US31991–1999
Royston, GB12021