Inventor
John M. Lucas
Inventor
Montreal, CA
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties44%
G01BMeasuring length, thickness or similar linear dimensions31%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light13%
C23CCoating metallic material6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
6,909,505'Method and apparatus for molten material analysis by laser induced breakdown spectroscopy'20056,741,345'Method and apparatus for in-process liquid analysis by laser induced plasma spectroscopy'20046,700,660'Method and apparatus for in-process liquid analysis by laser induced plasma spectroscopy'20046,089,079'Moisture sensor for ore concentrates and other perticulate materials'20004,619,533'Tuyere pyrometer'19864,276,766'Roughness sensor calibration'19814,252,443'Blackening sensor'19814,213,708'Graininess sensor'19804,194,840'Sensor contact'19804,092,068'Surface sensor'19784,019,066'Measuring the surface roughness of a moving sheet material'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to DOMTAR LTD (1)· patent assignee history
1977–1981Based in Montreal, CA· patent location history
1978–1981Patents assigned to DOMTAR INC (4)· patent assignee history
1980Patents assigned to GRACOVETSKY SERGE (1)· patent assignee history
1986–2005Patents assigned to NORANDA INC (4)· patent assignee history
1986–2005Based in Outremont, CA· patent location history
2004Patents assigned to CA NAT RESEARCH COUNCIL (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOMTAR INC | 4 | 1978–1981 |
| NORANDA INC | 4 | 1986–2005 |
| CA NAT RESEARCH COUNCIL | 2 | 2004 |
| DOMTAR LTD | 1 | 1977 |
| GRACOVETSKY SERGE | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Montreal, CA | 6 | 1977–1981 |
| Outremont, CA | 5 | 1986–2005 |