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Inventor

Yves Bourhis

Inventor
Westmont, IL, US

Overview

3→
Patents
1981–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C01Bprimary
C01BNon-metallic elements33%
A23BPreservation of foods, foodstuffs or non-alcoholic beverages17%
B23KSoldering or unsoldering17%
C21DModifying the physical structure of ferrous metals17%
C23CCoating metallic material17%
PatentTitleYear
7,174,744'Method of improving the biocidal efficacy of dry ice'20076,670,570'Methods and apparatus for localized heating of metallic and non-metallic surfaces'20034,279,406'Plant for generating an atmosphere for the heat treatment of metals'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–2003Patents assigned to AIR LIQUIDE (2)· patent assignee history
1981Based in Villejuif, FR· patent location history
2003Patents assigned to AIR LIQUIDE AMERICAN (1)· patent assignee history
2003–2007Based in Westmont, IL, US· patent location history
2007Patents assigned to AIR LIQUIDE AMERICA L P (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIR LIQUIDE21981–2003
AIR LIQUIDE AMERICA L P12007
AIR LIQUIDE AMERICAN12003
Locations
LocationPatentsSpan
Westmont, Illinois, US22003–2007
Villejuif, FR11981