Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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 |
| 7926593 | Rotating control device docking station A system and method is provided for converting a drilling rig between conventional hydrostatic pressure drilling and managed pressure drilling or underbalanced drilling using a docking station housing mounted on a marine riser or bell nipple. This docking station ho... | 04/19/2011 |
| 7237625 | Device for simulataneously casing a hole while drilling A driving device for installing a pipe or casing, without the use of hydraulic or pneumatic means, by capturing the rotational motion of the drill string. The driving device is placed at the top end of the pipe being (42) installed and the drill string (2 | 07/03/2007 |
| 7128172 | Drill string for upward drilling and components therefor A rock drill includes a housing in which are disposed a reciprocable percussive device, slidably mounted in the housing, a rotary device, and a shank adapter aligned with the percussive device. The shank adapter includes first and second adapter portions. The first ... | 10/31/2006 |
| 6736225 | Guide for attachment to a roof bolter to allow for core drilling The present disclosure provides a coring guide for converting a mine roof bolter into apparatus suitable for guiding a coring rod, or drill, into a mine roof, as well as a method for obtaining a geological core from the mine roof using the guide. The guide includes ... | 05/18/2004 |
| 6289999 | Fluid flow control devices and methods for selective actuation of valves and hydraulic drilling tools Flow control devices and associated control methods are described for use with hydraulic tools, such as those in a drill string. The described flow control device is typically incorporated into a drill string and is selectively operable in either a flow-t... | 09/18/2001 |
| 6263985 | Drilling machine with changeable drive unit A double-head drilling machine is disclosed, which by changing over or converting small component units can cooperate with drill or drill pipes of different diameters. To this end, drive carriages (16) operating on drills or drill pipes, for example, comp... | 07/24/2001 |
| 5921329 | Installation and removal of top drive units The invention features an assembly for use with a drilling rig having a mast and a first torque guide section mounted to the mast. The first torque guide section has an end and a coupler mounted near the end. The assembly includes a second torque guide se... | 07/13/1999 |
| 5810101 | Horizontal drilling machine A digger from a unit for digging utility pole holes is encased in an elongated box. The box has an attachment thereon for attachment to the carrying arm of a backhoe in place of the backhoe bucket. A 90° attachment provides versatility. The digger is thu... | 09/22/1998 |
| 5058688 | Convertible vibratory or rotary core drill apparatus A convertible drill apparatus for applying force to a probe capable of operating in either a vibratory drilling mode wherein the apparatus is adapted to drive the probe into the material to be drilled or a rotary drilling mode wherein the apparatus drives... | 10/22/1991 |
| 4998590 | Horizontal auger for skidsteer tractors and the like An apparatus is provided that is mountable upon preferably a skidsteer tractor, through a forklift truck or similar wheeled vehicle could be employed. The apparatus can be lowered into a trench on one side of a street or sidewalk and used to bore axially ... | 03/12/1991 |
| 4872518 | Power chainsaw-ice auger conversion apparatus A conversion apparatus for use in combination with a chain saw is set forth wherein a housing includes a rotatable shaft for attachment of a left-hand helical flight ice auger wherein the shaft includes a plurality of bearings secured within either side o... | 10/10/1989 |
| 4485570 | Apparatus for mounting a drilling machine on an excavator bucket A drilling machine includes a coupling means (19) for removably coupling the drilling machine (1) to the bucket of an excavator with the aid of gripping arms (20, 21). Between the drilling machine and coupling means there is a rubber member (9) taking up ... | 12/04/1984 |
| 4317493 | Kelly drive bushing adapter An adapter is provided for positioning a kelly drive bushing of a surface drilling assembly in spaced relationship to an associated rotary table. The adapter permits the wireline of an electronic steering assembly to pass through the central aperture in t... | 03/02/1982 |
| 4296821 | Drilling rig and conversion apparatus An improved drilling rig (10) and conversion apparatus for drilling rigs is disclosed. The rig includes a percussion assembly (32) rotatably mounted to a ram (30) above the ground in which drilling is to be made. The rig (10) includes a conversion mandrel... | 10/27/1981 |
| 4244431 | Drilling apparatus with dual drill pipe and cross-over Apparatus is disclosed for drilling a pilot hole and subsequently enlarging the pilot hole in earth formation. A dual concentric pipe string is used for circulating air downwardly through the outer pipe via a cross-over sub, through a pilot bit and upward... | 01/13/1981 |
| 3986570 | Rock bit with quick change connection Disclosed herein is a rock bit having a quick change connection for use with an auger drilling machine. The quick change connection comprises a female connection extending upwardly from the body of a conventional rock bit. The connection has polygonal sid... | 10/19/1976 |
