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Inventor

Ralph E. Patsfall

Inventor
Cincinnati, OH, US

Overview

3→
Patents
1989–1993
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B23Kprimary
B23KSoldering or unsoldering25%
B23PMetal-working not otherwise provided for25%
F01DNon-positive displacement machines or engines, e.g. steam turbines17%
Y10TTechnical subjects covered by former us classification17%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material8%
B64CAeroplanes8%
PatentTitleYear
5,243,758'Design and processing method for manufacturing hollow airfoils (three-piece concept)'19934,934,583'Apparatus for bonding an article projection'19904,883,216'Method for bonding an article projection'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1993Patents assigned to GEN ELECTRIC (3)· patent assignee history
1989–1993Based in Cincinnati, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC31989–1993
Locations
LocationPatentsSpan
Cincinnati, OH, US31989–1993