| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Polish-rod grip | US1430325 | 1925-03-09 | US1716840A | 1929-06-11 | STEVENSON EDWARD E |
| 162 | Cable wrench | US1715425D | US1715425A | 1929-06-04 | ||
| 163 | Ijnttfd statfs -patfnt | US1655734D | US1655734A | 1928-01-10 | ||
| 164 | Pump grip | US11860926 | 1926-06-25 | US1649573A | 1927-11-15 | CLARK NOLON I |
| 165 | Liner for cable-engaging tools | US9337826 | 1926-03-09 | US1649390A | 1927-11-15 | CROTTO FRANK E |
| 166 | Combination clamp | US12530526 | 1926-07-27 | US1645463A | 1927-10-11 | THOMAS ELMER R |
| 167 | Pipe-supporting clamp | US74516724 | 1924-10-22 | US1643688A | 1927-09-27 | WILSON ELIHU C |
| 168 | Well-drilling apparatus | US6680225 | 1925-11-04 | US1642628A | 1927-09-13 | PHILBRICK FRED A |
| 169 | Drill-stem clamp | US70708124 | 1924-04-17 | US1637383A | 1927-08-02 | LIVERGOOD GERALD R |
| 170 | Polish-rod clamp | US66345923 | 1923-09-18 | US1629584A | 1927-05-24 | THOMAS O'BOYLE; HAMAKER REX G |
| 171 | Polish-rod clamp | US75372724 | 1924-12-03 | US1590160A | 1926-06-22 | GLUYAS EDWIN L |
| 172 | Drilling-line support | US51494221 | 1921-11-14 | US1570757A | 1926-01-26 | HOMER MAGIE MORTON |
| 173 | Pipe clevis | US3542325 | 1925-06-06 | US1560411A | 1925-11-03 | CONKLIN WILLIAM H |
| 174 | Clamp | US797825 | 1925-02-09 | US1559334A | 1925-10-27 | MCCALLISTER ARTHUR W |
| 175 | Grip | US72160724 | 1924-06-21 | US1538259A | 1925-05-19 | RATIGAN JAMES P |
| 176 | Clamp | US71515124 | 1924-05-22 | US1537876A | 1925-05-12 | LEWIS PIRDUN |
| 177 | Well-drilling device | US65068323 | 1923-07-10 | US1514547A | 1924-11-04 | LEFLER HAWLEY B |
| 178 | Wire-line clamp | US68452124 | 1924-01-05 | US1504087A | 1924-08-05 | ROY BRADY JUDSON |
| 179 | Casing clamp | US60612922 | 1922-12-11 | US1488967A | 1924-04-01 | WILSON WALTER R |
| 180 | Wire line clamp | US64628323 | 1923-06-18 | US1482460A | 1924-02-05 | CROTTO FRANK E |
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