Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7765705 | Methods and devices for characterizing a surface A measuring device comprising a base, feet connected to the base, and an inclinometer mounted on the base is used to characterize a surface. The feet are placed in direct contact with the surface at a predetermined position. The inclinometer measures the angle of th... | 08/03/2010 |
| 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 |
| 7281338 | Slide mounting tools, kits and systems containing same and methods related thereto Slide mounting tools are disclosed, including a magnetic slide mounting tool having at least one magnet for mounting a slide to a surface. In one embodiment, a first section of a slide can be magnetically coupled to the slide mounting tool and installed on a station... | 10/16/2007 |
| 7210243 | Level with adjustable fastener locators A level assembly includes a housing having a level mounted within. The housing includes a first arm and a second arm slidably attached to the housing. The first and second arms are both stored in storage positions. Fastener locators associated with each arm are both... | 05/01/2007 |
| 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 |
| 7117608 | Spirit level A spirit level comprising a body having a level face for setting a surface, at least one bubble vial mounted in the body, the bubble vial having a longitudinal axis generally perpendicular to the level face, and an optical transfer element fixed to the body which tr... | 10/10/2006 |
| 7043850 | Transparent measuring device with seam allowance guide A transparent measuring device having a planar structure, a plurality of markings, at least one window, and a seam allowance guide. The planar structure has an upper surface and a lower surface, and the markings are formed on the lower surface of the planar structur... | 05/16/2006 |
| 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 |
| 7000328 | Surveyor's tool A surveyor's tool to facilitate the measurement of the elevation of an invert within a manhole includes a rod with a dimensioning along its length. The tool further includes a slide moveable with respect to said rod. The slide includes a pair of opposing arms, the a... | 02/21/2006 |
| 6954990 | Angle measuring device A measuring device is provided for carpenters, roofers and other tradesmen. The device is made of relatively lightweight plastic and has a variety of uses. The elongated base is rectangular in cross sectional and includes a scale for measuring distances along one si... | 10/18/2005 |
| 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 |
| 6385856 | Pipe-bending alignment device An economical, compact guide for introducing multiple bends in one or more planes in a pipe, conduit, or other tube-like item. The guide has a gauge section rotatably attached to a mounting section and is affixable by means of a non-deforming clamp to the... | 05/14/2002 |
| 6182370 | Manually operated angle pickup A manually operated angle pickup or detector has a rotatably mounted and manually movable transmitter element, a sensor that scans the transmitter element and a detent coupling that operates magnetically and in a contactless manner to maintain the transmi... | 02/06/2001 |
| 5878502 | Apparatus and method for comparing a grade to a predetermined slope An apparatus for comparing compliance of a grade to a predetermined slope includes a block and a level. The block has at least one notch positioned at a distance from a first end of the block such that when the method of this invention is practiced, a lev... | 03/09/1999 |
| 5592745 | Electronic level displaying inclination with regard to instrument length An electronic level includes a visual scale (similar to a ruler scale) having a number of parallel line segments. The inclination of the device is shown by illuminating various of the scale line segments on either side of a central line. When the device i... | 01/14/1997 |
| 5594669 | Electronic fence post level An electronic level for leveling a fence post or other vertical member includes two inclination sensors mounted orthogonally. The sensors measure inclination in each of two orthogonal planes. The output of the sensors is displayed by two scales which inte... | 01/14/1997 |
| 5313713 | Electronic level with display scale and audible tone scale An electronic level includes a visual display (similar to a ruler scale) having a number of parallel line segments. The inclination of the device is shown by illuminating various of the scale line segments on either side of the central line. When the devi... | 05/24/1994 |
| 5167075 | Pipe bending level A level/protractor tool which includes two or more sections pivotally joined to facilitate angular displacement. One or more sections house level-indicating spirit vials. Angular displacement indicia marks are imprinted on each section at its juncture wit... | 12/01/1992 |
| 5154000 | Conduit bending plane and bend angle indicator A conduit bending plane and bend angle indicator having a clamp mounting, an anti-dog bubble level to indicate the bend of plane, and an angle bubble level to indicate the bend angle. The invention further features a ratchet connection between the anti-do... | 10/13/1992 |
| 5103569 | Multipurpose combination leveling tool Disclosed is a leveling tool that has three leveling indicators mounted thereon, one of which is removable and usable as a separate tool when bending electrical conduit. A calculator is integrated into the leveling tool for performing calculations during ... | 04/14/1992 |
| 5038489 | Posture measuring instrument A hand held instrument for determining the degree of angular deviation of a line between selected points on a subject from a gravity-dependent reference, including a transparent base through which the selected points may be viewed and a gravity-dependent ... | 08/13/1991 |
| 5007176 | Simply-constructed instrument for measuring horizontal line, vertical line and angles An instrument for measuring angles, vertical line or horizontal line includes a square casing having two axial lines crossing at a center of the casing and having a colored liquid filled in the casing, and a rotating disc rotatably mounted on the casing, ... | 04/16/1991 |
| 4798005 | Component piano string angle gauge An instrument for observing and measuring string segment angles in pianos wherein strings exist in three segments, a speaking string segment, a bridge string segment, and a rear string segment, these three segments creating two angles in the approximate v... | 01/17/1989 |
| 4649726 | Radio-telemetry inclinometer A system for determining the bend in a section of a pipe which comprises supporting the pipe section on a conventional pipe bending apparatus which consists essentially of a device for holding the pipe section in a relatively horizontal position, for main... | 03/17/1987 |
| 4589213 | Conduit bending level A conduit bending level device to be attached to the front end of a conduit to maintain the vertical plane of the conduit through a series of bends including a spring yoke to slide and hold over the end of the conduit on the top with a slot to allow marki... | 05/20/1986 |
| 4462167 | Angle/level meter A hand-held instrument for leveling, and indicating and measuring angles for use with an anchored guide string, including a case, a fixed scale and a pendulum-activated indicator mounted in the case, a disc-shaped string direction sensor member rotatably ... | 07/31/1984 |
| 4394799 | Conduit bending plane indicator A conduit bending plane indicator comprising a base, a clamp for affixing the indicator to conduit to be bent, bubble level indicators to provide an indication that a bend in the conduit is coplanar with reference planes, and an angle indicator to provide... | 07/26/1983 |
| 4358897 | Gravity gauge for determination of shoulder bone angles in horses A gauge for the measurement of the shoulder bone angles of horses with respect to gravity, as an aid in the proper shoeing of the fore feet. The gauge has a gravity reference pointer which swings about a pivot axis so that it points downward under the inf... | 11/16/1982 |
| 4262424 | Gauge for determination of shoulder bone angles in horses A gauge for the measurement of the shoulder bone angles of horses, as an aid in the proper shoeing of the fore feet, has a reference level and a pointer relatively rotatable about a pivot axis, a concave locating cup concentric with the pivot axis and ada... | 04/21/1981 |
| 4085514 | Parallel wall indicator The indicator includes rotationally movable indicator means for indicating a selected reference angle and pendulum actuator means for maintaining the angular position of the indicator means substantially constant with respect to vertical. The indicator is... | 04/25/1978 |
| 4067116 | Geometric pitch determining device A hand operable device for conveniently determining geometric pitch of propellers. The device includes a level indicating device and a support means therefor. The support means has pressure surfaces engaging protrusions disposed thereon in a plane oblique... | 01/10/1978 |
