Did You Know...
...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.
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| Number | Title | Issue Date |
| 8220174 | Adjustable template jig and related methods Apparatus and methods to model the dimension and contour of a segment of piping to be installed between a pair of open ends of a piping circuit, are provided. A first backing plate of a first end of an exemplary apparatus is connected to a first flange of a piping c... | 07/17/2012 |
| 7926196 | Pipe guide adapter A pipe guide adapter adds marking slots and marking edges to a pipe guide. The pipe guide adapter includes two body sections joined by a hinge enabling the pipe guide adapter to be in open and closed positions. The body sections each include a gripping end and a mar... | 04/19/2011 |
| 7918034 | Measuring ram The invention relates to a measuring device for measuring the length of elongated profiles (100, 101, 102, 103) disposed in a longitudinal direction, particularly of pipes, between at least two opposing measuring sides (2, 3), of which at least one can... | 04/05/2011 |
| 7624511 | Pipe bending template A pipe bending template includes an object with four indicator marks displayed along a length thereof. The four indicator marks are spaced according to a bend radius and a bend angle of a pipe. The object may be formed from a plate, a tube, a flat screen display or ... | 12/01/2009 |
| 7430812 | Hose angle protractor Disclosed is a device used to set twist angles. The device include a set plate which is supported at one end and a protractor plate at a second end. The hose is placed in position atop the two supports and the hose placed on top of the supports with couplers at each... | 10/07/2008 |
| 7421461 | Pipe reference and calculating device A pipe reference and calculating device pipe reference and calculating device includes a housing that can be held in a hand of a user. A processor is contained within the housing. A keypad is on the housing and is electrically connected to the processor. The keypad ... | 09/02/2008 |
| 7370426 | Cutting tee square The apparatus includes a first plate for supporting the first surface of the article adjacent to the edge part of the article, a second plate extending from one end of the first plate in order to support the second surface of the article adjacent to the edge part of... | 05/13/2008 |
| 7370431 | Pipefitting instruments and related methods A pipefitting instrument includes a main body member, a carriage slidably connected to the main body member, and a protractor member pivotally connected to the carriage. The protractor member includes a protractor scale operable to measure an angular orientation of ... | 05/13/2008 |
| 7350311 | Pipe cutting template A universal reusable template for cutting ends of cylindrical objects such as pipes, in preparation for joining the cylindrical objects to other cylindrical bodies. The template is formed as a flat flexible bendable sheet with magnetic properties allowing the sheet ... | 04/01/2008 |
| 7334341 | Measurement device A measurement device provides coordinates for a specified location and position on the exterior surface of a vessel, including a base adapted to contact the exterior surface of the vessel; a rail extending upwardly from the base, the rail including a measurement sca... | 02/26/2008 |
| 7329076 | Hole location gauges and methods The present invention provides devices and methods for indicating or gauging the position of one or more holes in a workpiece. In one aspect of the present invention reusable devices that can be removably engaged with a bore or tapped hole in a workpiece for accurat... | 02/12/2008 |
| 7325326 | Method and apparatus for best fitting two or more items What is provided in one embodiment is a method and apparatus for confirming that one or more items in a universe of items fall within specified tolerances. In another embodiment various methods for determining best fit between items in a universe of items is provide... | 02/05/2008 |
| 7293363 | Dual line protractor for biometric measurements A dual line protractor fixed to a central axis which has two housings, each housing having a spool with retractable lines, the housings and spools being rotatably attached to the central axis. The spools and housings rotate independently of each other on the central... | 11/13/2007 |
| 7269908 | Tool for projecting a visually perceptible plumb line from a proposed location of a fire sprinkler head on a suspended ceiling and method of using A tool for projecting a visually perceptible plumb line extending from a proposed location of a fire sprinkler head on a suspended ceiling. The tool includes a base and a self-leveling laser. The base is configured and arranged to supportably engage the support beam... | 09/18/2007 |
| 7251902 | Pipe guide A pipe guide includes a pipe receiving body comprising two sections. The two sections are joined by a hinge to allow the pipe-receiving body to be opened and closed about a pipe. The pipe-receiving body circumferentially surrounds a pipe in a closed position. The pi... | 08/07/2007 |
| 7243438 | Template for checking the geometry of shaped and/or bent profiles The invention relates to a template for checking the geometry of shaped and/or bent profiles (T) having rectilinear sections and bent sections. This template comprises a support plate (2), in which holes (8-10) are provided, and a superstructure... | 07/17/2007 |
| 7240437 | Pipe sizing and alignment device The present invention relates to an improved pipe sizing and alignment device that can quickly and precisely attach it's concave base to, and align itself with the horizontal axis of a circular, main pipe. Through the use of multiple lasers, one of which is mounted ... | 07/10/2007 |
| 7242465 | Device and process for quantitative assessment of the orientation of two machines relative to one another A device for quantitative assessment of the orientation of two machines relative to one another has auxiliary devices in the form of extenders or holding devices (40, 50) on which displacement and/or mounting of light transmitting or receiving devices (44,... | 07/10/2007 |
| 7210238 | Hair and fiber stacker A fiber stacking or aligning apparatus is described. In an embodiment, the apparatus includes a first component and a second component. The first component is configured to permit the introduction of a plurality of fibers into an opening that defines a through hole ... | 05/01/2007 |
| 7195284 | Flexible synthetic resin coupling A flexible synthetic resin coupling is provided which is substantially self-sustaining in an initial configuration but provides sufficient resiliency and flexibility to absorb substantial loading, thereby accommodating relative movement between pipes and/or tanks to... | 03/27/2007 |
| 7194812 | Laser marking device for serial I-joist cutouts A laser marking device includes a fixture for temporarily attaching the device in an initial cutout of a number of serial cutouts to be fabricated in adjacent assembled I-joists. Combined with the fixture is an angle gage that provides angular positioning of a marki... | 03/27/2007 |
| 7178252 | Pipe fitting aligning device A pipe fitting aligning device having at least one square block assembly slidably positioned on a reference tool. The square block assembly includes a slot with a vertical scale extending therefrom. The device may include at least one compass assembly slidably posit... | 02/20/2007 |
| 7155834 | Laser alignment method and apparatus Laser alignment methods and apparatus are disclosed whereby pipe and similar materials may be aligned. The methods and apparatus are adapted to be utilized on the end of pipe or other material and thereby using as a reference point that pipe or other material with t... | 01/02/2007 |
| 7150104 | Tool and method for scribing longitudinal lines on a cylindrical rod A tool for scribing a longitudinal groove on an elongate cylindrical rod suitable for implanting as a prosthetic in a living being supports the rod in a linear groove on a bed of a frame of the tool. A track is mounted on the frame and runs parallel to the groove. A... | 12/19/2006 |
| 7137209 | Level and protractor A level and protractor tool (100) includes a body (102) with three sections. The first section (106) includes a spring clip (108) mounted on the body. The spring clip is adapted to be attached to an item that is to be bent or otherwise me... | 11/21/2006 |
| 7134218 | Odd offset fabrication kit A template that would be created with a given line for outside, centerline and inside radius of ell marked in one degree increments, starting with zero degree from the end of each radius of ell and ending at ninety degrees. Incorporated on the template would be a sk... | 11/14/2006 |
| 7111407 | Vertical shaft alignment tool An apparatus and a method for aligning a vertical shaft or multiple axially coupled vertical shafts in a hydroelectric turbine generator or a similar vertical-shaft system, and for providing precise plumb inclination alignment of a vertical rotating shaft. Precision... | 09/26/2006 |
| 7113271 | Method to accurately measure the angular orientation of a rotating axis to a reference line A method is described that measures the angular orientation of a rotational axis to a reference line. The reference line is defined by the position of a string. The alignment device includes a collimated light source that is projected approximately perpendicular to ... | 09/26/2006 |
| 7103985 | Stringer check fixture and method An aircraft frame stringer is checked against designed specifications using a set of templates with stringer-engaging, upwardly-facing surfaces that match the designed contours of sections of the stringer at different locations along the length of the stringer. The ... | 09/12/2006 |
| 7097804 | Thermoplastic laminate duct A duct formed of a thermoplastic material is lightweight, strong, flame and smoke resistant, and non-toxic. The duct is formed from a flat laminate and does not require a specialized, disposable mandrel for supporting conventional thermoset plies. Preferably, the du... | 08/29/2006 |
| 7086166 | Spirit level with integrated inclination adjustment mechanism The present spirit level has an elongated body with a longitudinal leveling face and at least one inclination peg retractably mounted in the body. The inclination peg is configured to selectably extend at least partially out from the leveling face by at least one pr... | 08/08/2006 |
| 7088640 | Method of obtaining acoustic metrology data The relative position and orientation between two subsea structures (210, 212) are measured by ultra-short baseline acoustic metrology. Dual mode master/slave (220, 222) stations comprising a multi-transducer array are fitted in known position and orie... | 08/08/2006 |
| 7059059 | Combination level, plumb tool with single-hand engagement A combination plumb and level tool has an elongate body with separated longitudinal arm members that have spaced apart, proximal ends fixed to the body and extend therefrom to respective separate distal free ends. The distal ends form longitudinally extending interi... | 06/13/2006 |
| 7059225 | Holder device for attaching a circular saw to a T square A holder device attaches a circular saw to a T square. The device includes a body having opposite left-hand and right-hand ends and opposite forward and rearward sides that extend between the ends. A passageway formed through the body interconnects the left-hand and... | 06/13/2006 |
| 7007534 | Methods for production of continuous stretches of circular cylindrical members, tools, use of a tool, a length of pipe and pipe parts The present invention regards methods of projecting, producing and bending continuous stretches of circular cylindrical bodies, such as stretches of piping, handrails and rails for stair lifts. The invention also regards a tool for use with the method, application o... | 03/07/2006 |
| 7003893 | Method and apparatus for universal shape cutting of pipes The present invention pertains to a method and apparatus for obtaining templates used in pipe end cutting essential in fabricating saddle and mitered pipe connections. The template is made by an array of z-shaped pins arranged radially to form the shape of a stepped... | 02/28/2006 |
| 6996911 | Combination level and squaring tool A square that includes two rigid, channeled members having an interior and an exterior, with the two members being joined at a ninety-degree angle to form a one-piece L-shaped tool having an elbow and a notch disposed on an exterior corner opposite the elbow. The in... | 02/14/2006 |
| 6996914 | Method and apparatus for best fitting two or more items What is provided in one embodiment is a method and apparatus for confirming that one or more items in a universe of items fall within specified tolerances. In another embodiment various methods for determining best fit between items in a universe of items is provide... | 02/14/2006 |
| 6966120 | Process and measurement device for determining the alignment of a cylindrical body A process for determining the alignment of a cylindrical body with respect to a reference direction by means of a measurement device which has a first and a second attachment area and a position measurement probe which is calibrated to the reference direction and is... | 11/22/2005 |
| 6945848 | Lens shape data processing apparatus and lens grinding machine having the same apparatus A lens shape data processing apparatus and a lens grinding machine having the same apparatus in which the lens shape data reading out and the layout setting work for another spectacle lens can be conducted during the lens edge measurement or the grinding process is ... | 09/20/2005 |
