Inventor
Larry S. O'Brien
Inventor
St. Joseph, MI, US
Overview
Patents· 8 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 properties50%
B01LChemical or physical laboratory apparatus for general use17%
F27BFurnaces, kilns, ovens or retorts in general17%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace17%
PatentTitleYear
5,315,091'Resistively heated sample preparation apparatus'19945,313,047'Analytical sample preparation system'19945,064,617'Combustion system'19914,530,660'Analytical furnace window assembly'19854,522,787'Ash fusion system'19854,462,963'Analytical furnace'19844,352,781'Combustion system'19824,282,183'Combustion system'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1994Patents assigned to LECO CORP (8)· patent assignee history
1981–1994Based in St. Joseph, MI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LECO CORP | 8 | 1981–1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Joseph, MI, US | 8 | 1981–1994 |