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Inventor

David G. Robertson

Inventor
Rolla, MO, US

Overview

2→
Patents
2009
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B22Dprimary
B22DCasting of metals14%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel14%
C22BProduction and refining of metals14%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like14%
F27BFurnaces, kilns, ovens or retorts in general14%
Y02PClimate change mitigation technologies in the production or processing of goods14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
7,618,582'Continuous steel production and apparatus'20097,572,084'Precast arch structure with skewed ends'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Patents assigned to TRICON PRECAST LTD (1)· patent assignee history
2009Patents assigned to UNIV ILLINOIS (1)· patent assignee history
2009Patents assigned to UNIV MISSOURI (1)· patent assignee history
2009Based in Rolla, MO, US· patent location history
2009Based in Perrin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TRICON PRECAST LTD12009
UNIV ILLINOIS12009
UNIV MISSOURI12009
Locations
LocationPatentsSpan
Rolla, MO, US12009
Perrin, Texas, US12009