Inventor
Arthur G. Metcalfe
Inventor
National City, CA, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Bprimary
B21BRolling of metal15%
B23KSoldering or unsoldering15%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material12%
B21HMaking particular metal objects by rolling, e.g. screws, wheels, rings, barrels, balls12%
B01DSeparation6%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
B23PMetal-working not otherwise provided for3%
C04BLime, magnesia3%
PatentTitleYear
5,042,281'Isothermal sheet rolling mill'19914,642,864'Recuperator tube assembly'19874,604,780'Method of fabricating a component having internal cooling passages'19864,600,414'Apparatus for removing contaminants from heated gases'19864,568,365'Methods of removing contaminants from heated gases'19864,171,832'Relaxing joints'19794,150,279'Ring rolling methods and apparatus'19793,988,914'Isothermal metal forming apparatus'19763,988,913'Isothermal metal forming apparatus'19763,944,782'Isothermal metal forming'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1979Patents assigned to INT HARVESTER CO (5)· patent assignee history
1976–1979Based in San Diego, CA, US· patent location history
1986–1987Patents assigned to SOLAR TURBINES INC (4)· patent assignee history
1986–1991Based in National City, CA, US· patent location history
1991Patents assigned to METCALFE ARTHUR G (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INT HARVESTER CO | 5 | 1976–1979 |
| SOLAR TURBINES INC | 4 | 1986–1987 |
| METCALFE ARTHUR Gself | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| National City, California, US | 5 | 1986–1991 |
| San Diego, California, US | 5 | 1976–1979 |