BE335266A - - Google Patents
Info
- Publication number
- BE335266A BE335266A BE335266DA BE335266A BE 335266 A BE335266 A BE 335266A BE 335266D A BE335266D A BE 335266DA BE 335266 A BE335266 A BE 335266A
- Authority
- BE
- Belgium
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US618242XA | 1926-04-22 | 1926-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE335266A true BE335266A (xx) |
Family
ID=22038365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE335266D BE335266A (xx) | 1926-04-22 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE335266A (xx) |
| FR (1) | FR618242A (xx) |
-
0
- BE BE335266D patent/BE335266A/xx unknown
-
1926
- 1926-06-30 FR FR618242D patent/FR618242A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR618242A (fr) | 1927-03-05 |