United States Patent 3204695
Inventors:
Murray Jr., James W.
Publication Date:
09/07/1965
Assignee:
SHAFFER TOOL WORKS
Other Classes:
166/136, 285/123.800
International Classes:
E21B29/12; E21B33/04; E21B33/043; E21B29/00; E21B33/03
US Patent References:
| 2202985 | Pipe cutter | | | |
| 2410589 | Automatic slip mechanism | | | |
| 2553838 | Means for suspending and sealing casings | | | |
| 2563851 | Well pipe elevator | | | |
| 2689139 | Pipe hanger and sealing structure for well heads | | | |
| 2690344 | Sealing and hanging assembly | | | |
| 2709490 | Tool for severing and milling away a section of casing in the bore of a well | | | |
| 2920909 | Hanging apparatus | | | |
| 3006412 | Outside pipe cutter | | | |
| 3024842 | Device for cutting bore hole pipes | | | |