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Inventor

Richard E. Landry

Inventor
Towanda, PA, US

Overview

3→
Patents
1986–1987
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.

F28Fprimary
F28FDetails of heat-exchange and heat-transfer apparatus, of general application29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests29%
C01GCompounds containing metals not covered by subclasses c01d or c01f14%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds14%
C22BProduction and refining of metals14%
PatentTitleYear
4,679,623'Triple pass ceramic cross-flow heat recuperator'19874,674,568'Triple pass ceramic cross-flow heat recuperator'19874,604,265'Recovery of tungsten and rhenium'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1987Patents assigned to GTE PROD CORP (3)· patent assignee history
1986–1987Based in Towanda, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GTE PROD CORP31986–1987
Locations
LocationPatentsSpan
Towanda, Pennsylvania, US31986–1987