Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7311156 | Forward driving system for use in drilling masonry structures A method of drilling through a masonry structure 20 includes the steps of providing a drill 10 and using the drill 10 to drill a bore 18 in the masonry structure 20. The method also includes a step of providing a reaction member in... | 12/25/2007 |
| 7188690 | Drilling device and method for producing undercut holes A drilling device for producing undercut holes. The drilling device includes a drilling tool having an axis of rotation and a cutting portion arranged such that the cutting portion drills a hole with a longitudinal axis that is radially offset with respect to said a... | 03/13/2007 |
| 7140456 | Easy hold power auger A cutting auger has a main auger blade and a front subsidiary coaxial blade each having a drive core and a helical auger flight carried on the drive core for rotation about a longitudinal axis of the drive core with a cutting edge at an axial end face of the auger f... | 11/28/2006 |
| 6971457 | Moldable fabric Apparatus for boring a hole from an inside of a casing outwardly at an angle relative to a longitudinal axis of the casing comprises a drill shoe having a longitudinal axis and being positionable in the casing, the shoe having first and second passageways which conv... | 12/06/2005 |
| 6962030 | Method and apparatus for interconnected, rolling rig and oilfield building(s) A conventional land drilling rig is interconnected to the substructure for an oilfield pad location. The interconnected drilling rig is placed on top of matting. The matting has embedded rollers to facilitate movement of the drilling rig as a “convoy” across the... | 11/08/2005 |
| 6889777 | Implement for driving posts A post driving implement for use with a vehicle, such as a tractor or a skid loader, is disclosed. The post driving implement is comprised of a hammer, a hammer channel, and a hammer cylinder. The hammer travels longitudinally within the hammer channel and is lifted... | 05/10/2005 |
| 6843020 | Fertilizer spike and method and apparatus for inserting same into soil A fertilizer spike is insertable into soil utilizing a tool having prongs. The fertilizer spike comprises a fertilizer body comprised of fertilizer material having a base end with an outer surface that converges toward a tip end, in which at least two channels are f... | 01/18/2005 |
| 6814161 | Stakedown assembly for a horizontal directional drill A stakedown assembly for a horizontal directional drill that multiplies the travel of a hydraulic cylinder so that the drive head travels twice the distance of the hydraulic cylinder travel. A gear pinion is pivotally attached to a top end of the hydraulic cylinder.... | 11/09/2004 |
| 6732816 | Method of forming a trenchless flowline The present invention is an improved method of installing a flowline below the surface. The method includes the steps of establishing first and second sight relief holes along a linear path, positioning a directional drilling machine on the surface, boring a first p... | 05/11/2004 |
| 6604586 | Drilling apparatus A drilling apparatus includes a platform for positioning at a drilling site) a mast pivotally mounted on the platform) a rod clamp on one end of the mast for clamping a drill rod) a drill head slidably mounted on the mast for driving the drill rod during ... | 08/12/2003 |
| 6594960 | Method of folding an articulating mast An articulating derrick having a back face, a pair of opposed sides with each side having at least one leg, and an open face. The back face of the derrick includes a plurality of pairs of back face cross supports. Each cross support has a first and a seco... | 07/22/2003 |
| 6536541 | Boring unit for pile foundations Boring unit for pile foundations presenting a tracked vehicle facing the mouth of a hole, a mast (5) which is supported by the tracked vehicle, a rotary table (6) which is slidingly mounted along the mast (5), and at least one excavation element (7) which... | 03/25/2003 |
| 6457537 | Mapping tool for tracking and/or guiding an underground boring tool A portable mapping tool for use in a horizontal drilling system and associated methods use a boring tool configured for transmitting a locating signal. The mapping tool also includes at least one electromagnetic field detector which is configured for meas... | 10/01/2002 |
| 6378630 | Locking swivel device A locking swivel device is provided for connection with a proximal end of a drill string and for conducting a drilling fluid to the drill string. The device is comprised of a housing and a mandrel rotatably supported within the housing such that an annula... | 04/30/2002 |
| 6364035 | Establishing positions of locating field detectors and path mapping in underground boring tool applications Specific apparatus and associated methods are described for use in establishing the positions of locating field detectors and for path mapping within a region for the purpose of tracking and/or guiding the movement of an underground boring tool. In one as... | 04/02/2002 |
| 6202274 | Arrangement for fastening a piston-cylinder arrangement and method for replacing sealings therein A mounting apparatus for a piston-cylinder arrangement (10,11) in a derrick (1) placed on a drill floor (2), which hydraulic piston-cylinder arrangement (10,11) is adapted to raise and lower a yoke (8) which travels on guide rails (7) in the derrick (1) i... | 03/20/2001 |
| 5890537 | Wiper plug launching system for cementing casing and liners A wiper plug launching tool includes a body arranged to be lowered into a liner on a running string, the body having a tubular upper portion and a cylindrical lower portion, upper and lower wiper plugs loaded into the lower portion, each of the plugs havi... | 04/06/1999 |
| 5794723 | Drilling rig An improved drilling rig having a drillhead assembly positioned onto a mast for vertical movement therewith. The drillhead assembly is hung by cables threaded from a hoist assembly positioned at the top end of the mast. One or more cable return assemblies... | 08/18/1998 |
| 5755289 | Drilling rig elevator with replaceable clamping inserts and method for installation An elevator mechanism for use on drilling rigs for hoisting and lowering different sizes and types of pipe. At least two elevator frame sections are interconnected in relative moveable relation for movement between an open position for receiving a section... | 05/26/1998 |
| 5540292 | Pneumatically actuated horizontal drilling apparatus having a plurality of drills Pneumatically actuated horizontal drilling apparatus includes a base frame with a plurality of horizontally extending drills adjustably secured thereto, and the base frame and the drills are pneumatically actuated on a selective basis. Horizontal movement... | 07/30/1996 |
| 5125460 | Pneumatically actuated horizontal drilling apparatus having a plurality of drills Pneumatically actuated horizontal drilling apparatus includes a base frame with a plurality of horizontally extending drills adjustably secured thereto, and the base frame and the drills are pneumatically actuated on a selective basis. Horizontal movement... | 06/30/1992 |
| 4998981 | Bit for drilling an undercut hole A drill bit has an extendable and retractable undercut portion for the drilling of undercut holes, for example to accommodate anchor bolts in concrete. The device includes a drill bit (18) for drilling an initial hold (B) to a predetermined depth at which... | 03/12/1991 |
| 4930585 | Device for drilling borehole undercuts A device for drilling an undercut (1b) in a borehole (1a) in a target material 1, includes an axially extending guide sleeve (13) containing an axially extending eccentric bore, an eccentric bushing (14) is supported rotatably in the guide sleeve and a dr... | 06/05/1990 |
| 4823870 | Cantilever drilling structure A cantilevered drilling structure including a base unit having a side positionable generally adjacent a well head, and a drilling rig mast assembly positioned generally above and supported by the base unit. The base unit has a cantilever member extending ... | 04/25/1989 |
| 4800968 | Well apparatus with tubular elevator tilt and indexing apparatus and methods of their use An elevator bail with elongated slots, an elevator tilting assembly and indexing apparatus, and a top drive drilling unit in combination with such devices that are connected to the upper end of a drill string and movable upwardly and downwardly with the d... | 01/31/1989 |
| 4750571 | Screen placement method and apparatus A screen placement apparatus and system wherein the apparatus includes a motor for providing rotational torque to an auger received within a ground screen and a disposable cutting tip having a cutting diameter equal to or greater than the outer diameter o... | 06/14/1988 |
| 4700789 | Device to obtain ring-shaped cavities in the bottom of drilled holes made in any type of medium An apparatus for creating annular cavities in the bottom of drilled holes in any medium having a body, an axle within the body at one end and rotated by a conventional drill, a reamer secured to the axle at its other end, an inner part enveloping the axle... | 10/20/1987 |
| 4691788 | Lateral hole boring method and apparatus A lateral hole boring method whereby a lateral hole of a desired length is formed underground by repeatedly performing the following steps. A vertical hole is prepared, and a lateral hole boring apparatus equipped with a leading auger of a smaller length ... | 09/08/1987 |
| 4595059 | Method of providing a conductor pipe to an opening portion of a well A method of providing a conductor pipe to an opening portion of a well such as an oil well, gas well, geothermal power well or the like. A bore is formed in the ground with a casing tube and an auger screw, inserted into the casing tube, to a predetermine... | 06/17/1986 |
| 4589499 | Horizontal drilling apparatus Apparatus for drilling horizontal holes includes a frame for holding a drill, and the frame is supported by a single wheel adjacent to the drill and dual wheels at the opposite end of the frame from the drill. A cable system is utilized for moving the dri... | 05/20/1986 |
| 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 |
| 4553612 | Earth boring machine An earth boring machine for boring straight and level elongated holes through rock-laden earth. The machine includes a stationary elongated frame upon which a first slide is carried. A second slide is carried on the first slide. An elongated auger guiding... | 11/19/1985 |
| 4497383 | Undercutting device for anchor holes A bore hole wall undercutting or reaming device in which a rotatable tubular support housing (1) (61) is adapted for rotation by drive means, has at least one circumferential guide slot in its side wall for receiving and guidingly supporting a cutting too... | 02/05/1985 |
| 4494616 | Apparatus and methods for the aeration of cesspools Apparatus and methods for the aeration of cesspools in operation. In one embodiment there is a tool for inserting the aeration device under the bottom of the cesspool. The tool comprises a central cylinder with retractable arms. The aeration device has re... | 01/22/1985 |
| 4444279 | Drilling tool A drilling tool adapted to produce a radial enlargement along a cylindrical elementary drilled hole in concrete masonry. The tool comprises at least one cutter which is mounted in a slot in a drill sleeve which enters the elementary drilled hole, this cut... | 04/24/1984 |
| 4270618 | Earth boring apparatus Large hole boring equipment is used for boring a large diameter blind pilot hole. Then such equipment is removed from the hole and a room is blasted at the closed or blind end of the hole. Then the large hole cutterhead is replaced by a reamer and the equ... | 06/02/1981 |
