Class 175/315 - COMBINED

Subclass of Class 175 - Boring or penetrating the earth
Definition: Apparatus claimed in combination with features other than
No. of patents: 24
Last issue date: 06/26/2007

Number	Title	Issue Date
7234538	Method for sinking a borehole in the ground and wet boring tool The invention relates to a method for sinking a borehole in the ground, in which a wet boring tool with a removal area for producing or advancing a borehole is used, the borehole is at least partly filled with a fluid and in the borehole is formed a filling area and...	06/26/2007
6374924	Downhole drilling apparatus A downhole drilling apparatus for interconnection in a casing or liner string having a drill bit disposed thereon for enabling the drilling of intersecting wellbores without removal of the drill bit is disclosed. In a disclosed embodiment, the apparatus c...	04/23/2002
5342520	Filter for a rockdrill A filter having a filter element is provided for a rockdrill. The filter can be operated in three modes, namely, filtering or drilling, rinsing and back-flushing. As the filter element becomes clogged a handle on the filter can be turned to a back-flushin...	08/30/1994
5174394	Apparatus for cleaning layers of earth An apparatus for cleaning layers of earth that contain noxious material via a cleaning medium that takes up the noxious material and is introduced into the layers of earth via a drilling tube. The cleaning medium is extracted by suction from the layers of...	12/29/1992
5067569	Auger and sweeper assembly An auger assembly for drilling holes or similar openings in the ground includes an auger blade mounted for vertical movement and a dirt retaining shell that surrounds the auger blade also mounted for vertical movement independently of the auger blade. Whe...	11/26/1991
5067570	Auger and retaining shell assembly An auger assembly for drilling holes in the ground includes an auger blade mounted for vertical movement and a dirt retaining shell that surrounds the auger blade also mounted for vertical movement in relation to the auger blade. When the hole has been dr...	11/26/1991
4924951	Manhole cutter Manhole cutter for cutting a circular groove of a fixed depth about a manhole, such as in a street, and removing the manhole from the street. The manhole cutter is suspended from a front-end loader or truck-mounted boom and rotated hydraulically from a po...	05/15/1990
4924954	Bit breakout system A system for securing a drill bit against rotation in a drilling rig of the type having a rotary table with an opening which is smaller than the drill bit. A breaker plate is supported in a frame below the rotary table. The breaker plate includes an irreg...	05/15/1990
4654948	Method for renewing the cutting face of a diamond drill bit A drill bit has a formation engaging face through which a plurality of counterbores are formed. A stud assembly having a polycrystalline diamond face thereon is forced into the counterbore in a close tolerance relationship therewith thereby providing fric...	04/07/1987
4585080	Portable rotary earth drilling apparatus For drilling holes in remote locations there is provided drilling apparatus consisting of hand-transportable modules which include a base assembly (12), a derrick (13) removably mounted on the base assembly and including an elongated tubular member (51) a...	04/29/1986
4497384	Reamer disassembly A wall contacting device, such as a roller reamer used in earth boring, includes a block, e.g. supporting one end of a roller shaft, making an interference fit with a socket in the body of the device, there being tool passage means between the body and bl...	02/05/1985
4495840	Bit breaker A bit breaker adapted to be fitted in the Kelly drive of a drill rig for detachably securing a rotary drill bit to the Kelly drive to enable the latter to rotate the bit relative to a drill string having an internally threaded lower end portion in one dir...	01/29/1985
4475604	Mobile machine for subterranean installation of piping and the like A ground supported mobile machine appropriate for subterranean installation of piping and the like has a tractor vehicle carrying a trencher driven from the tractor power source, a power operated backfill blade operated from such source to facilitate tran...	10/09/1984
4406334	Drilling tool A drilling tool has a drilling shaft member, a crown drilling member with an annular wall provided with a plurality of cutting edges and detachably mounted on the shaft member, a center drilling member detachably mounted on the shaft member inside the cro...	09/27/1983
4368789	Drilling apparatus A drill steel and a drill bit having a tip with a cutting element and a hollow open ended shank forming a polygonal socket which is fitted onto a complementary engagement portion at one end of the drill steel so that rotation of the drill steel rotates th...	01/18/1983
4352399	Bit breaker and handle A bit breaker and handle for use in conjunction with a drill bit. The bit breaker is in the form of a plate member which is provided with an outside edge having a configuration to be drivingly received within the kelly drive of a drilling rig turntable. T...	10/05/1982
4337980	Wedge arrangements and related means for mounting means, base members, and bits, and combinations thereof, for mining, road working, or earth moving machinery A wedge arrangement for affixing a tool mounting means onto a base member in such manner that substantially no wear occurs between the mounting means and base member. The mounting means has a tapered portion which is wedgingly received within a correspond...	07/06/1982
4223749	Rotary earth boring drill bit with centrifugal foreign particle barrier device A drilling bit for drilling earthen material such as an oil well rotary cone drilling bit, which includes means for preventing foreign particles such as sand, rock cuttings, etc., from reaching the rotational bearings of the bit cones. This end result is ...	09/23/1980
4206821	Roof drill and drill rod system An improved roof drill bit and roof drill driving assembly which is characterized as a "hands off" type in which the drill, driver, and drill extension are designed and assembled to have a stability which enables the operator to avoid guiding the drill wi...	06/10/1980
4156470	Rotary earth boring drill bit with centrifugal foreign particle barrier device A drilling bit for drilling earthen material such as an oil well rotary cone drilling bit, which includes means for preventing foreign particles such as sand, rock cuttings, etc., from reaching the rotational bearings of the bit cones. This end result is ...	05/29/1979
4149604	Mining equipment A method of drilling shot firing holes in the face of a roadway or tunnel by means of a bucket loader on which is displaceably mounted a drilling mast which carries a slidable drill head, with power unit to displace the drill head with respect to the mast...	04/17/1979
4070772	Ground excavating apparatus Such a ground excavating apparatus that conducts excavation of a soft stratum by means of a bucket and employs an impact crusher for the excavation of such a hard stratum as a rock bed or the like is disclosed. Introduced in the present application is a ground...	01/31/1978
4061389	Combination wire line releasable overshot and pull tool A wire line oil tool adapted for multiple connectors on the bottom. It can be used as an overshot, a fishing neck grapple or an inside grapple. It incorporates an outer body which is annular about a central member. A catch mechanism locks the outer body u...	12/06/1977
4055051	Unitary drill bit and roof bolt A combined drill bit and roof bolt and a method for forming a bore hole in a mine roof and for reinforcing same. The drill bit and roof bolt form the same structural element which preferably comprises an elongate hollow tube. On one end of the tube is for...	10/25/1977

PatentStorm

Quotables

PatentStorm News

Class 175/315 - COMBINED