Inventor
Raymond P. Roberge
Inventor
Chappaqua, NY, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification14%
C01BNon-metallic elements9%
G01NInvestigating or analysing materials by determining their chemical or physical properties9%
B01DSeparation5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
B23KSoldering or unsoldering5%
C07CAcyclic or carbocyclic compounds5%
C21DModifying the physical structure of ferrous metals5%
C23CCoating metallic material5%
F17CVessels for containing or storing compressed, liquefied or solidified gases5%
PatentTitleYear
6,668,581'Cryogenic system for providing industrial gas to a use point'20036,532,752'Food freezing system'20035,055,260'Reactor analysis system'19914,920,998'Method and apparatus for controlling flow bias in a multiple zone process'19904,891,186'Reactor analysis system'19904,306,919'Process for carburizing steel'19814,126,430'Packed bed temperature control'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1990Patents assigned to UNION CARBIDE CORP (3)· patent assignee history
1978–2003Based in Chappaqua, NY, US· patent location history
1990–1991Patents assigned to UNION CARBIDE IND GASES TECH (2)· patent assignee history
2003Patents assigned to PRAXAIR TECHNOLOGY INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNION CARBIDE CORP | 3 | 1978–1990 |
| PRAXAIR TECHNOLOGY INC | 2 | 2003 |
| UNION CARBIDE IND GASES TECH | 2 | 1990–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chappaqua, New York, US | 7 | 1978–2003 |