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Inventor

Macy W. Vance

Inventor
Export, PA, US

Overview

5→
Patents
1976–1987
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F27Dprimary
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace22%
B22DCasting of metals11%
C04BLime, magnesia11%
D21HPulp compositions11%
E04FFinishing work on buildings, e.g. stairs, floors11%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact11%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
4,683,937'Ingot mold and method of producing same'19874,473,983'Anchoring refractory materials to a refractory lining'19844,428,730'Insulation for a furnace member'19844,269,266'Recuperator tube construction'19813,935,060'Fibrous insulation and process for making the same'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to MC DONNELL DOUGLAS CORP (1)· patent assignee history
1976Based in St. Louis, MO, US· patent location history
1981–1987Patents assigned to UNITED STATES STEEL CORP (4)· patent assignee history
1981–1984Based in Export, PA, US· patent location history
1987Based in Monroeville, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNITED STATES STEEL CORP41981–1987
MC DONNELL DOUGLAS CORP11976
Locations
LocationPatentsSpan
Export, Pennsylvania, US31981–1984
Monroeville, Pennsylvania, US11987
St. Louis, MO, US11976