| |
 |
|
Class Information
Number: 173/152
Name: Tool driving or impacting > Advance causing or controlling means > Motor causes or controls advance
Description: Apparatus in which the means for causing or controlling forward movement of the tool includes a motor.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7387173 |
Pile driver |
Jun. 17, 2008 |
| 7380611 |
Rock drilling machine and rock drilling system |
Jun. 3, 2008 |
| 7331405 |
Powered hammer device |
Feb. 19, 2008 |
| 7318491 |
Apparatus and method for modified horizontal directional drilling assembly |
Jan. 15, 2008 |
| 6959770 |
Portable drilling apparatus |
Nov. 1, 2005 |
| 6938702 |
Method and equipment for controlling operation of rock drilling apparatus |
Sep. 6, 2005 |
| 6814155 |
Bolting rigs |
Nov. 9, 2004 |
| 6796388 |
Drill depth control device |
Sep. 28, 2004 |
| 6741051 |
Power tool trigger control |
May. 25, 2004 |
| 6736219 |
Underground horizontal boring apparatus |
May. 18, 2004 |
| 6722447 |
Concentric pneumatic/hydraulic power feed apparatus |
Apr. 20, 2004 |
| 6705407 |
Rock drilling and mounting frame |
Mar. 16, 2004 |
| 6651754 |
Apparatus for moving earth boring machines |
Nov. 25, 2003 |
| 6343662 |
Hydraulic drilling rig |
Feb. 5, 2002 |
| 6311278 |
Method and system for extracting application protocol characteristics |
Oct. 30, 2001 |
| 6283229 |
Impact device for directional boring |
Sep. 4, 2001 |
| 6216798 |
Work unit for machine tool, with linear electric motor for axial movement of the spindle |
Apr. 17, 2001 |
| 6202758 |
Compact boring apparatus for making earth bores |
Mar. 20, 2001 |
| 6068066 |
Hydraulic drilling rig |
May. 30, 2000 |
| 6050345 |
Ergonomic tool with lift assist mechanism |
Apr. 18, 2000 |
| 5992536 |
Hydraulic drive tool controlling apparatus |
Nov. 30, 1999 |
| 5941320 |
Directional boring machine |
Aug. 24, 1999 |
| 5836402 |
Auger-holder |
Nov. 17, 1998 |
| 5697457 |
No load derrick for drilling rig |
Dec. 16, 1997 |
| 5664606 |
Drill pipe having concave wrenching recesses |
Sep. 9, 1997 |
| 5658091 |
Apparatus for inserting prefabricated vertical drains into the earth |
Aug. 19, 1997 |
| 5529132 |
Hydraulic control circuit for pile driver |
Jun. 25, 1996 |
| 5474138 |
Hydraulic control circuit for pile driver |
Dec. 12, 1995 |
| 5431234 |
Ground-drilling device |
Jul. 11, 1995 |
| 5370194 |
Drive head assembly for drilling machine |
Dec. 6, 1994 |
| 5348104 |
Rotary drive assemblies |
Sep. 20, 1994 |
| 5307882 |
Apparatus for feeding a drilling machine in extension rod drilling |
May. 3, 1994 |
| 5213449 |
Apparatus for inserting wick drains into the earth |
May. 25, 1993 |
| 4854395 |
Hydraulic kelly bar chuck |
Aug. 8, 1989 |
| 4812088 |
Doweling tool |
Mar. 14, 1989 |
| 4757866 |
Hydraulic drill feed units |
Jul. 19, 1988 |
| 4703812 |
Mobile drilling apparatus |
Nov. 3, 1987 |
| 4637477 |
Device in rock drilling machines |
Jan. 20, 1987 |
| 4558748 |
Method and equipment for boring and casing air vent holes and/or delivery holes in medium-steep and steep dip coal deposits and rocks of loose structure |
Dec. 17, 1985 |
| 4553612 |
Earth boring machine |
Nov. 19, 1985 |
| 4503917 |
Carriage feed system |
Mar. 12, 1985 |
| 4478291 |
Drilling rig |
Oct. 23, 1984 |
| 4393945 |
Rotary drill with a kelly bar and hydraulic chuck |
Jul. 19, 1983 |
| 4336840 |
Double cylinder system |
Jun. 29, 1982 |
| 4315552 |
Raise drill apparatus |
Feb. 16, 1982 |
| 4301874 |
Pile or sheet-pile driver |
Nov. 24, 1981 |
| 4248312 |
Method and apparatus for upwardly cutting full cutting face of a shaft without requesting workmen's hands |
Feb. 3, 1981 |
| 4161988 |
Portable earth core sampling machine |
Jul. 24, 1979 |
| 4161990 |
Rock drilling apparatus |
Jul. 24, 1979 |
| 4128133 |
Torquer/thruster for flexible roofdrill |
Dec. 5, 1978 |
|
|
|
