Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8161659 | Measurement device The disclosure provides a measurement device for measuring a work piece defining a first circular hole and a second circular hole. The measurement device includes a base, a location member fixed on the base, a fixing pin fixed on the location member, and a measuring... | 04/24/2012 |
| 7249420 | Slider device and measuring instrument A slider device includes a base (200), a running head (300) slidably provided on the base (200), a main guide mechanism (410) for guiding in a first direction in which the running head (300) runs, and sub-guide mechanism (450 | 07/31/2007 |
| 7241117 | Motor shaft assembly and method A method for assembling a motor shaft with a bearing, a motor housing, and an impeller is disclosed. A motor shaft extension is used to retain the impeller axially on the motor shaft and allows the motor shaft to drive an additional component, such as an impeller, l... | 07/10/2007 |
| 7131208 | Method, device and cartridge for measuring fluctuations in the cross-sectional area of hair in a pre-determined scalp area A flexible measuring tape is extended from a predetermined location on a face a predetermined distance to a location on a scalp. A 2 cm by 2 cm square bundle of hair about that location is isolated. The bundle of isolated hair is captured in a slit in a two-part car... | 11/07/2006 |
| 7121015 | Length measuring device A linear measuring device including a housing fastened to a first machine element and a scale within the housing, wherein the scale is fastened extending along the housing in a measuring direction. A scanning device for scanning a scale. A linear guide device includ... | 10/17/2006 |
| 6901676 | Eccentric bushing inspection device A device and method are provided for inspecting an eccentric bushing having interior and exterior surfaces. The device includes a fixed roller and a pair of movable rollers disposed in a triangular configuration. The eccentric roller is disposed between the fixable ... | 06/07/2005 |
| 6785979 | Apparatus and method for measuring cables for a wire bundle Apparatus and method for measuring cables of varying diameters to be used in a wire bundle. The apparatus involves a support platform having a groove formed therein which is laid out to have at least one U-shaped turnaround portion. The groove is further canted such... | 09/07/2004 |
| 6314655 | Automatic ball sizing device The ball sizing device has an angularly disposed support which defines a square-shaped space for receiving a dimpled golf ball. The two lowermost walls defining the space receive the ball in point-to-point contact. Each of the two opposite walls has a gau... | 11/13/2001 |
| 6217077 | Scoring system for horned and antlered game animals The invention is of a kit or system useful for guiding and facilitating the taking, tabulation and processing of measurements as pertain to scoring game animal according to established scoring rules. The kit or system includes a flexible cable which is us... | 04/17/2001 |
| 6178657 | Apparatus and method for measuring the relative differential length in a sheet of material An apparatus for measuring the relative differential length of a sample of a web or sheet material. The apparatus includes a substantially flat surface adapted to support the sample. Air is removed between the sample and the substantially flat surface to ... | 01/30/2001 |
| 6134798 | Conduit support A device for facilitating measuring and cutting conduit. The device includes two end plates sized and configured for receiving conduit while being provided with a surface for resisting rotation of the conduit as it resides upon and is supported by the end... | 10/24/2000 |
| 6092296 | Scale and scanning unit of a length measuring instrument, and method for attaching a scale A scale or scanning unit of a measuring instrument for measuring the relative motion of two objects movable toward one another is secured to the one object and cooperates with a scanning unit or a scale to detect the relative location of the object. Accor... | 07/25/2000 |
| 6035541 | Method and apparatus facilitating the measurement of a clearance in a hemispherical dynamic pressure bearing A hemispherical dynamic pressure bearing comprises a bushing in which a hemisphere/shaft unit is mounted with clearance, enabling the unit to move relative to the bushing between first and second terminal positions. In order to measure the size of the cle... | 03/14/2000 |
| 6021580 | Instrument for measuring the clearance between two components The instrument comprises two rigid yokes 1 and 2 capable of sliding one with respect to the other in the direction of the clearances to be measured between two components (R, 5) and 8. First of all, using an operating member 3, enough force to bring the b... | 02/08/2000 |
| 5873173 | Device for measuring length and vertical clearance of engine connecting rods A device for measuring length and vertical clearance of engine connecting rods comprising a base which is attached to an upstanding member in a hinged fashion. A vertical guide slot of substantial length is disposed within the upstanding member along a lo... | 02/23/1999 |
| 5845411 | Centering of objects Method and apparatus for the centering of objects by positioning a slider that is not only movable within a base but also moveable therebeyond in opposite directions in relation to stop members for holding an object at a centering position where a project... | 12/08/1998 |
| 5837981 | Signal outputting device of optical ruler A signal outputting device of optical ruler is disclosed. It includes a first guide seat formed with an internal axial chamber for receiving a reflecting plate therein, a second guide seat including a slide block axially movable within the chamber and a r... | 11/17/1998 |
| 5791059 | Method and apparatus for measuring circumference of tire beads Apparatus and method for measuring circumferential surface dimensions of workpieces. A circular table is mounted with its upper surface in a horizontal plane for both rotational and reciprocal vertical movement. A plurality of through slots in the table e... | 08/11/1998 |
| 5768796 | Gage for measuring length of flexible extrusions A roller measurement fixture is comprised of a series of small in-line rollers mounted in one or more rows, forming a receiving cradle device. An extruded part to be measured is cradled in a semi-circular arrangement of the rollers and straightens as it s... | 06/23/1998 |
| 5758558 | Precision measuring apparatus for locating workpieces for work operations A precision measuring mechanism includes a precision threaded rod member and an indicating element mounted to move along a linear graduated scale upon rotation of the precision threaded rod member. A circumferential scale has a plurality of marks spaced f... | 06/02/1998 |
| 5566464 | Electric motor shaft extension gage A shaft extension gage is provided at the rotor/rotor shaft insertion station in an electric motor production line. The gage includes a locating plate above which a partially assembled electric motor is positioned, a rotor shaft receiving assembly definin... | 10/22/1996 |
| 5423128 | Cigarette filter rod minimum point gauge Provided is an apparatus which allows for the facile and accurate measurement of the recess of a cylindrical core of filter tow which is surrounded by a paper wrapper which extends beyond the core to form the recess.... | 06/13/1995 |
| 5224275 | Apparatus for measuring the protrusion of an end of an optical fiber terminated in a connector An apparatus is provided for measuring the distance an optical fiber terminated in a connector protrudes from a component of the connector such as a ferrule or the like. A fixed abutment member defines an abutment surface against which the connector compo... | 07/06/1993 |
| 5182866 | Apparatus and method for identifying the lateral position of a workpiece In an automated production process it is essential that individual workpieces 2 should be in their accurate positions when being fed into the machining facility which follows. It is therefore the object of the present invention to provide a method and an ... | 02/02/1993 |
| 5148611 | Multimeasurement gauge assembly A compact, highly flexible but accurate multimeasurement gauge assembly facilitates many of the measurements required for an automated three piece can manufacturing operation using one gauge. The gauge assembly includes a gauge block having left, right, f... | 09/22/1992 |
| 5121328 | Fee calculating apparatus for calculating delivery fee of parcel in accordance with its weight, length, and delivery area In a fee calculating apparatus for calculating a delivery fee, when weight data obtained by measurement in a weight measuring section such as an electronic scale, length data obtained by measurement in a length measuring section such as an automatic measu... | 06/09/1992 |
| 5105545 | Apparatus for measuring a width dimension of a helical surface An apparatus for measuring the width dimension of a helical surface of an endmill. The apparatus includes a workholder capable of supporting an endmill in such a position as to optically magnify the surface of the endmill to be measured. The workholder fu... | 04/21/1992 |
| 5037045 | Self-propelled carrier conveyor having carrier distancing control A conveyor comprising a plurality of self-propelled carriers with each carrier having a distance sensor for stepwise detecting the distance between each carrier and a preceding carrier, and a device for controlling the speed of each carrier to maintain th... | 08/06/1991 |
| 4993167 | Dressing tool gauge for positioning cutting tools in removable head type dressers A dressing tool gauge for positioning the cutting tool in removable head type dresser devices for grinding wheels. The dressing tool gauge will indicate the proper position for the cutting tool to dress a predetermined shape on the grinding wheel. A membe... | 02/19/1991 |
| 4939849 | Infant measuring device A device for measuring infants has an elongated measuring base having at least one sequence of linear measuring indicia thereon extending from one end of the measuring base parallel to the axis of elongation. The base has a pair of opposed channels extend... | 07/10/1990 |
| 4348811 | Vee belt measuring apparatus Apparatus for measuring the length of vee belts, particularly so that vee belts of closely similar length can be identified and thereby used together in multi-belt drives, comprises a fixed drivably rotatable pulley, a further pulley on a tensioning carri... | 09/14/1982 |
| 4337578 | Measuring device A device for measuring lengths of yarn and the like has an elongated base member with a first fixed position post and a second movable post. The second post is moved toward and away from the first post to a preselected position for measuring lengths of ya... | 07/06/1982 |
| 4217694 | Apparatus and method for checking score lines in flat package blanks The positioning of a score line on a flat package blank can be determined relative to a datum edge by positioning the datum edge at the zero mark of a measurement scale and moving a carriage having a magnification reading unit to a position over the score... | 08/19/1980 |
| 4170827 | Apparatus for measuring hair growth Apparatus for determining the rate of hair growth by measuring the length of selected hairs at various times. An illuminated transparent member is provided with a recess adapted to receive the hair longitudinally, and to maintain it in an extended conditi... | 10/16/1979 |
| 3965580 | Device for determining the size dash number of standard O-rings A pair of telescoping elongated prisms locked against separation provide a series of size indications by dash numbers for standardized O-rings in a series of windows. Each face of the inner prism has a semicylindrical projection which matches a similar pr... | 06/29/1976 |