Class 33/1H - Earth

Subclass of Class 33 - Geometrical instruments
No. of patents: 111
Last issue date: 07/22/2008

Number	Title	Issue Date
7401414	Sensitive ground surface tiltmeter The invention relates to a geoscientific observation technology, especially relates to a ground surface tiltmeter by using microscope for micro measuring. In order to solve the problems such as low reading accuracy and enormous error of the traditional ground surfac...	07/22/2008
7371194	Portable playing field for playing a plastic ball and bat game This invention is a portable playing field for a plastic ball and bat game that can be easily set up in the backyard, park or beach, be used indoors or outdoors and professionally or a non-competitive environment. Hit markers automatically determine singles, doubles...	05/13/2008
7338395	Device to train a pitcher This is a device for training a pitcher in establishing his or her direct line to home plate during initial set-up of delivery of a pitch to home plate. Once the direct line to home plate has been established the training device then teaches the proper body mechanic...	03/04/2008
7228639	Invert measuring device A measuring device for obtaining inlet invert measurements, pipe invert measurements, and pipe diameter measurements includes an invert measuring rod having a plurality of rod segments, each a threaded bore at a first end and an axially extending threaded stud at a ...	06/12/2007
7201221	Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ...	04/10/2007
7191528	Column placement template A template system and column placement method which facilitates the placement of a column resulting in enhanced placement efficiencies for large scale column construction projects. In a preferred aspect of the present invention, a template for column placement can i...	03/20/2007
7114580	Method and apparatus for determining a trajectory of a directional drill An apparatus for determining a trajectory of a directional drill includes two length measurement devices deployed along a surface of the drill string and a controller capable of determining the heading of the drill string from two lengths of the drill string measure...	10/03/2006
7103986	Adjustable agricultural marker system and method of manufacture An agricultural marker assembly is disclosed for use with a marker arm that extends from an agricultural vehicle wherein the vehicle moves along a primary travel direction during operation. The assembly includes an extension assembly including at least first and sec...	09/12/2006
7055251	Column placement template A template system and column placement method which facilitates the placement of a column resulting in enhanced placement efficiencies for large scale column construction projects. In a preferred aspect of the present invention, a template for column placement can i...	06/06/2006
7040390	Wellbores utilizing fiber optic-based sensors and operating devices This invention provides a method for controlling production operations using fiber optic devices. An optical fiber carrying fiber-optic sensors is deployed downhole to provide information about downhole conditions. Parameters related to the chemicals being used for ...	05/09/2006
6941890	Underground marking systems and methods for identifying a location of an object underground An underground marking system for marking buried objects is constructed from synthetic, brightly colored materials, which provides redundant horizontal and vertical markers and the ability to trace back to the buried object. The system is economical and easily insta...	09/13/2005
6920394	Method and apparatus for determining the elevation of an underground structure A survey device for determining an elevation of a subterranean architectural feature includes a distance sensor operable to generate a first signal indicative of a line-of-sight distance from the survey device to the subterranean architectural feature. The device al...	07/19/2005
6904690	Pipe size identifier and measuring tool A pipe size measuring tool for identifying the pipe configuration, i.e., outer diameter and inner diameter, having a plurality of gauges, each gauge having an open mouth therein. The sizes of the open mouth in each gauge are different from each other. The gauges are...	06/14/2005
6904697	System for marking an arc segment This device facilitates field marking an arc of a circle having an obstructed center. It comprises a first clamp having a slot to engage a standard tape measure and a second clamp having another slot to engage a color-coded tape measure. A detachable swivel joint sn...	06/14/2005
6893365	Home plate tape measure A pitching assistance device resembles a home plate with a coiled measuring element stored therein. The measuring element may be selectively extended from the home plate structure to measure off a predefined distance, such as the regulation distance between a pitchi...	05/17/2005
6877241	Measurement of curvature of a subsurface borehole, and use of such measurement in directional drilling The present invention provides methods of measuring downhole the curvature of a borehole and, in a particular application of the invention, using the curvature information as an input component of a bias signal for controlling operation of a downhole bias unit in a ...	04/12/2005
6845563	Method and device for the measurement of the drift of a borchole A device and a method for the measurement of the angle of drift of a borehole that extends from the surface of the ground downwardly into the earth. The device comprises a generally hollow protective exterior casing, a microprocessor control; and, a sensor pack. At ...	01/25/2005
6718648	Method and apparatus for measuring a length of a pressed pile A method of measuring a length of a pile which supports a structure upon the earth including affixing a flexible strand to a first pile segment, driving the first pile segment a desired distance into the earth such that the flexible strand extends along the length o...	04/13/2004
6550151	Contour measuring device and method The disclosed invention is an improvement on the traditional measuring wheel. When the odometry information is combined with two robust attitude sensors and an on-board computer, the instrument is able to perform useful measurements such as the calculatio...	04/22/2003
6530154	Method to detect deviations from a wellplan while drilling in the presence of magnetic interference A method for drilling a wellbore to assure the avoidance of a substantially adjacent known magnetic source comprising the steps of obtaining survey data for the path or trajectory of a known magnetic source; preparing a wellplan comprising a path or traje...	03/11/2003
6457246	Mounting and switching of survey apparatus A survey apparatus which can be used in the underground mining industry comprises a mounting means (11) adapted to be mounted in a fixed surface (such as a tunnel wall) and an alignement means (130, 101) to releasably engage with the mounting means (11), ...	10/01/2002
6421926	Stringline guide system The present invention relates to a stringline guide system for setting required vertical and horizontal distances, while laying out and preparing a road, sidewalk, driveway or similar construction surface. The system is adapted for use with string, twine,...	07/23/2002
6334260	Strata movement indicators A strata movement indicator suspended within a borehole 1 is provided with a drive element 6 and a reference element 12, relative movement between the elements being translated into rotary motion to give a visual indication on an indicator 10, 24 on the r...	01/01/2002
6298574	Bituminous paving depth gauge A top reading bituminous paving depth gauge is used to determine the thickness of paving layers. The gauge comprises a depressible rod operatively associated when a rod support system comprising an upper portion having a graduated measuring gauge fixed on...	10/09/2001
6247243	Turf inspection instrument and method A turf inspection instrument offering an expandable depth of field and enhanced vertical scale for observing and assessing turf conditions is provided wherein the instrument includes an end wall having a gauge surface carrying graduated measuring indicia ...	06/19/2001
6205946	Earthen material integrity sensing device A sensing device and sensing process is described for indicating movement of earthen material adjacent a structure. The preferred device includes a tubular frame including a top end and a bottom end. An anchor is configured to suspend the frame from the s...	03/27/2001
6202315	Surveying spike for use on vertical surfaces A surveying spike is described which includes a single nail portion and an end portion; the end portion is attached to the nail portion and coaxial therewith. The end portion has a body portion, and a reference surface forming portion projecting radially ...	03/20/2001
6178651	Reusable batter board support A reusable support for a batter board member is provided comprising at least one sleeve for receiving a batter board member attached to an elongate spike such that a batter board member received within the sleeve is supported in a substantially vertical o...	01/30/2001
6125944	Telescoping field marker A telescoping field marker which is retractable into a compact storage position. The inventive device includes a bracket structure attachable to an implement frame, an inner arm having a lumen pivotally attached to the bracket structure, a hydraulic cylin...	10/03/2000
6085432	Positioning device The invention relates to a device for positioning an upright with a desired orientation in order to mount thereon a superstructure such as a post of a pylon. The device is characterized by a frame, and a rotation mechanism connected to the frame for rotat...	07/11/2000
6079114	Telescoping marker arm A field marker is mounted on the rear corner of the seeder or cultivator frame so that its weight is supported by the packer wheels or support wheel axles at the rear of the frame, thus minimizing the imbalance and uneven seeding that will occur with mark...	06/27/2000
6026586	Powder coating thickness gauge A detector for measuring a thickness of a powder on a surface includes a body; a device extending from the body for facilitating holding the body on the surface; and a plurality of teeth extending from the body and spaced from each other along the plane, ...	02/22/2000
5878505	Device for marking a measuring point The device comprises a pipe (1), in which a shaft (20) of a marking component (2) can be moved. The pipe (1) has a soil anchor (4) at the bottom. The component (2) has a head (21) at the top and can be lifted from a lowered position, in which the head (21...	03/09/1999
5791058	Infrastructure inspection method A method of determining whether a structure such as a bridge has been severely damaged by an earthquake or other disturbance such as a flood. The method is designed to be carried out by unsophisticated persons immediately after such disturbance so that un...	08/11/1998
5778546	Construction alignment apparatus and method An adjustable batter board used in locating forms and trenches for pouring foundations and constructing walls includes an elongated tubular cross member having holes passing from a top to a bottom surface at each end of the cross member for receiving rein...	07/14/1998
5685082	Adjustable grade stick and method of using same An adjustable grade stick and method of using the same are used to identify a reference line. The grade stick has a shaft that is adjustable along its length. In a preferred embodiment, the shaft has two sections where one section lies within the other in...	11/11/1997
5657548	Support for measuring cord A support is disclosed for adjustably supporting a distal end of a measuring cord relative to a ground surface. The support includes a body member having a longitudinally extending slot. A first and a second pin is slidably disposed within the first and s...	08/19/1997
5542190	Bifold field marker The present invention is bifold field marker. The marker utilizes a marking disc mounted on the distal end of an arm. This arm is coupled to a mounting bracket which, in turn, is connected to an implement's tool bar. The arm is articulated at a central kn...	08/06/1996
5542788	Method and apparatus for monitoring mine roof support systems In a longwall mining operation, a panel to be extracted is formed in a seam of mine material by longitudinally extending headgate and tailgate entries with the panel beginning in a set-up room and ending at a termination line in a recovery room. The recov...	08/06/1996
5539986	Device and method for remote sensing of rock movements in mines A device and method for remotely measuring movement between opposed walls in dangerous situations such as unstable mining excavations is described. A spring loaded telescopic pole which can be handled in its contracted form by a remote arm or gantry is pl...	07/30/1996

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Class 33/1H - Earth