U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5285430

Behavior Modification Wristwatch

A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.

Newsletter  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.

 

Class 175/231 - WITH MEANS MOVABLE RELATIVE TO TOOL BELOW GROUND TO CONTROL ECCENTRIC FLUID EMISSION


Subclass of Class 175 - Boring or penetrating the earth
Definition: Apparatus including a means which is movable relative to
No. of patents: 25
Last issue date: 05/18/2010


NumberTitleIssue Date
7717197Apparatus for keeping a down hole drilling tool vertically aligned
An apparatus (10) for keeping a down hole drilling tool vertically uses a pendulum (36). The pendulum (36) controls flow from outlets (34) of drilling fluid chambers (30), providing drilling fluid to centralizer (24) activat...
05/18/2010
7624821Constricting flow diverter
In one aspect of the present invention, a downhole assembly has a downhole tool string component with a bore adapted to accommodate drilling mud having a central passage and at least one periphery passage. At least two movable segments are peripherally positioned ar...
12/01/2009
7441607Circulation tool
A downhole tool for circulating fluid in a well bore. The tool includes an axial inlet and outlet with radial second outlets. A sleeve moves over the second outlets to control circulation of fluid. The sleeve can be selectively locked in an opened or closed configur...
10/28/2008
7337847Multi-cycle downhole apparatus
A downhole apparatus which can be used as multi-cycle circulating subs utilized in downhole drilling operations, includes a piston (242) slidably mounted in a body between positions in which at least one aperture in the body is opened and closed. Movement of ...
03/04/2008
7311148Methods and apparatus for wellbore construction and completion
The present invention relates methods and apparatus for lining a wellbore. In one aspect, a drilling assembly having an earth removal member and a wellbore lining conduit is manipulated to advance into the earth. The drilling assembly includes a first fluid flow pat...
12/25/2007
7281576Apparatus and methods for sealing voids in a subterranean formation
Downhole tools that include an outer tubing disposed around an inner tubing for placement of a sealant mixture into a void in a subterranean formation and associated methods of use are provided. Furthermore, a method is provided for preparing a cement composition, w...
10/16/2007
7147066Steerable drilling system and method
A bottom hole assembly 10 for drilling a deviated borehole includes a positive displacement motor (PDM) 12 or a rotary steerable device (RSD) 110 having a substantially uniform diameter motor housing outer surface without stabilizers extending r...
12/12/2006
7108435Printing control apparatus and method, and printing system
In a printer having a stapling function for binding together a plurality of sheets of printing paper that have been printed out, processing for performing stapling at a set position cannot be carried out if the set staple position and the orientation of printing pap...
09/19/2006
7096955Long duration fuel cell system
A subsea fuel cell and system adapted for long duration use. The subsea fuel cell comprises a fuel cell stack and a water discharge system. In alternate embodiments, the subsea fuel cell can further comprise an impurity discharge system. ...
08/29/2006
7069998Fuel cell for downhole and subsea power systems
This invention relates to fuel cells, and in one embodiment, to fuel cells that are especially well suited for downhole use in oil and gas wells, and for subsea use in connection with offshore wells. ...
07/04/2006
7066283Reverse circulation directional and horizontal drilling using concentric coil tubing
Method and apparatus for drilling a directional or horizontal wellbore in a hydrocarbon formation using concentric coiled tubing drill string having an inner coiled tubing string and an outer coiled tubing string defining an annulus there between. A bottomhole assem...
06/27/2006
6899188Down hole drilling assembly with concentric casing actuated jet pump
A concentric casing actuated jet pump is disclosed that induces artificial lift to remove the drilling and production fluid from a well bore during drilling operations by means of a single or multiple hydraulic jet pumps attached to a concentric string of casing. Th...
05/31/2005
6769498Method and apparatus for inducing under balanced drilling conditions using an injection tool attached to a concentric string of casing
A method and apparatus for under balanced drilling comprising a production casing extending vertically from the ground to the area where the drilling is taking place, a concentric casing mounted within the production casing and forming therewith an outer annulus, a ...
08/03/2004
6173795Multi-cycle circulating sub
A multi-cycle circulating sub apparatus having a control member for controlling the movement of a sleeve between a first or closed position and a second or open position. The control member is slidably mounted in a body and is moveable by fluid pressure i...
01/16/2001
5937954Method for directional drilling
In a method for directional drilling with the aid of a drilling device having a drill pipe and a mining tool which moves on an orbit, the tool moves at an essentially constant angular velocity during straight drilling and the angular velocity is periodica...
08/17/1999
5682957Water separator for a down hole drill
A device for use within the backhead of a down hole percussive drill, for removing debris from a drillhole, includes a flow control member in the drill backhead for inducing cyclonic flow of percussive fluid, to concentrate the heavier water and other mat...
11/04/1997
5363927Apparatus and method for hydraulic drilling
A process and apparatus for high pressure drilling are disclosed. The apparatus comprises an essentially solid drill head with horizontally extendable nozzle arms hingedly connected by shear pins thereto. Flow of high pressure fluid both extends the nozzl...
11/15/1994
5343968Downhole material injector for lost circulation control
Apparatus and method for simultaneously and separately emplacing two streams of different materials through a drillstring in a borehole to a downhole location for lost circulation control. The two streams are mixed outside the drillstring at the desired d...
09/06/1994
4960176Device for cutting, drilling or similar working of rock, ore, concrete or the like
To cut, bore or similarly machine rock, ore, stratified coal or other objects, a medium is delivered under high pressure through a supply pipe to a nozzle. The supply pipe is designed as a pendulum-type pipe, in particular in the form of a flexible high-p...
10/02/1990
4685520Open hole pipe recovery circulation valve
A pipe recovery circulation valve for open hole drilling, which includes a valve body attachable intermediate sections of drill string for normally allowing flow therethrough to the drill bit. The valve further includes a fluid flow means where upon activ...
08/11/1987
4679637Apparatus and method for forming an enlarged underground arcuate bore and installing a conduit therein
An apparatus and method for drilling a pilot bore hole (B) along an underground arcuate path (P) between two surface locations (O, E). The pilot bore hole (B) is drilled in one direction with a drill string (10) having a leading pipe section (10A) of a re...
07/14/1987
4307786Borehole angle control by gage corner removal effects from hydraulic fluid jet
The advancement angle of a borehole cut by a rotary drill bit of the type which forms a cylindrical sidewall, a drill face and a circumferentially extending gage corner, is controlled by removing a different amount of the gage corner material over a selec...
12/29/1981
4114705Rock drilling tool having pulsed jets
In rock drilling utilizing mechanical destruction of the rock and circulation of drilling fluid for removing debris from the cutting face, the drilling fluid is directed on to the cutting face in the form of two opposed pulsed jets, the cycles of which ar...
09/19/1978
4077481Subterranean mining apparatus
Apparatus for subterranean slurry drilling and mining of granular ore, such as phosphates, with a combined drilling and mining apparatus. The apparatus includes a tool string having a drilling head and mining head that are selectively interchangeable on i...
03/07/1978
4058163Selectively actuated vibrating apparatus connected with well bore member
A vibrating apparatus connected with a member insertable into a well bore including an insertable and retrievable member enabling the vibrating apparatus to be selectively actuated. The vibrating apparatus includes a rotatable, eccentric weight forming a ...
11/15/1977
 
Sign InRegister
Username  
Password   
forgot password?