Inventor
Douglas G. Harman
Inventor
Pensacola Beach, FL, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals24%
Y10TTechnical subjects covered by former us classification24%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material18%
B24BMachines, devices, or processes for grinding or polishing18%
B23PMetal-working not otherwise provided for6%
G01BMeasuring length, thickness or similar linear dimensions6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
4,649,492'Tube expansion process'19874,635,456'Device for shot-peening inside surface of U-bend region of heat exchanger tubing'19874,619,128'Spindle for rotopeening apparatus'19864,616,497'Rotopeening method'19864,481,802'Method of peening the inside of a small diameter tube'19844,290,303'Apparatus for measuring surface scratches on a tube'19814,125,937'Apparatus for hydraulically expanding a tube'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1987Patents assigned to WESTINGHOUSE ELECTRIC CORP (7)· patent assignee history
1978–1984Based in Tampa, FL, US· patent location history
1986–1987Based in Pensacola Beach, FL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE ELECTRIC CORP | 7 | 1978–1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pensacola Beach, Florida, US | 4 | 1986–1987 |
| Tampa, Florida, US | 3 | 1978–1984 |