US Patent: 729,294
|
| Tubing Tongs
|
|
Patentee:
|
|
| William H. Downing (exact or similar names) - Parkersburg, WV |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Feb. 20, 1903 |
| Granted: |
May 26, 1903 |
|
Patent Pictures:
|
|
William H. Downing Pat. May 26, 1903 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Stan Schulz
|
|
Description: |
| The tongs have semi-circular jaws with hardened tooth inserts, and are clamped on the work by a cam lever. The stop screws limit the jaw opening. This is a well-drilling and well maintenance tool. |
|
