Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7487738 | Plasma processing apparatus and components thereof, and method for detecting life span of the components In a plasma processing apparatus capable of generating a plasma in a processing chamber accommodating therein a substrate to plasma-process the substrate, a component disposed in the processing chamber includes an identification indicia formed with one or more symbo... | 02/10/2009 |
| 7405818 | Self monitoring static seal with optical sensor A seal for preventing leakage of fluid from between a first member and a second member has a seal body and a seal wear indicator. The second member is capable of moving toward and away from the first member. The seal body is adapted for engaged contact with the firs... | 07/29/2008 |
| 7353770 | Visual wear indicator for footwear A visual wear indicator is disclosed capable of giving a visual indication of the degree of wear on an athletic or other type of shoe. In general, the visual wear indicator may operate by having two different colored regions, each having a viscosity which varies a f... | 04/08/2008 |
| 7350476 | Method and apparatus to determine consumable part condition A system for monitoring a condition of a consumable component in a substrate processing system that includes a tapered plug having a first axis, a second axis that intersects the first axis, a top portion with first width, a bottom portion with a second width, and s... | 04/01/2008 |
| 7338664 | Color changing matrix as wear indicator A sustained-release matrix for dental application includes either an anti-microbial agent or a colorant that is released from the matrix when the matrix contacts water. The preferred matrices include a water-soluble polymer and a water-insoluble support resin. ... | 03/04/2008 |
| 7293524 | Indicator device for indicating whether a no-back device is operable An indicator device for use in indicating whether or not a no-back device is operable, the indicator device comprising an indicator member 42 moveable between a first position and a second position, a biassing arrangement 56 being provided to urge the ... | 11/13/2007 |
| 7280036 | Detection and warning system A detection and warning system is presented. The system comprises a logic element, a conductive element, and an indicator. The conductive element is connected to the logic element. The conductive element is embedded at a predetermined location in an object such as a... | 10/09/2007 |
| 7248154 | Wear detection by transponder destruction The invention relates to a system and a method for the detection of the wear state of machine parts which are subject to mechanical wear, by means of an electronic transmitting/receiving device (38) and at least one transponder device (36), which is em... | 07/24/2007 |
| 7240584 | Connecting rod with profiled bore for increased load capability An engine cylinder piston connecting rod subassembly, for use in an engine, includes a piston (53), a piston pin (52) and a connecting rod (51). The connecting rod has a piston end portion with a piston pin bore (62). The piston pin is in... | 07/10/2007 |
| 7194781 | Windscreen wiper device with life span indicator A windscreen wiper device comprising an oscillating arm and a frame connected thereto for receiving a wiper blade, which device includes a life span indicator, characterized in that said indicator is sensitive to water. The indicator can change its color in dependen... | 03/27/2007 |
| 7187515 | Method and system for tracking magnetic media with embedded optical servo tracks A method and system for tracking storage media is provided that includes directing light through a first major side of a magnetic recording tape, wherein the tape includes optically detectable indicia embedded within the tape during formation of the indicia. At leas... | 03/06/2007 |
| 7180409 | Tire tread wear sensor system A system and method for monitoring belt wear or tread wear of a tire includes at least one radio frequency identification (RFID) tag with unique identification embedded in the belt or tread of the tire at one or more wear points. An RF tag reader periodically monito... | 02/20/2007 |
| 7134463 | Apparatus for chipping material An apparatus and a tool for chipping material are provided. The apparatus includes chipping tools arranged relative to one another inside a housing, whereby the chipping tools are constructed planiformly, and are arranged on carrier elements along a drum-shaped, dis... | 11/14/2006 |
| 7126063 | Encapsulated electronic sensor package An electronic package includes a circuit board and a capsule layer encasing the circuit board and forming an immersible electronic module. A housing receives the electronic module and forms a protective shell around the electronic module. ... | 10/24/2006 |
| 7104365 | Brake actuator indicator An indicator device indicating the travel of an air bag-type brake actuator when brakes are applied includes a stationary indicator plate having a cut out extending alongside the path of travel of the actuator. The cut out includes side edges positioned at acceptabl... | 09/12/2006 |
| 7069658 | Shaving system A shaving unit that comprises at least one blade and a skin engaging member that has a surface for engaging the user's skin adjacent the blade edge is described herein. The shaving unit may be of a disposable cartridge type adapted for coupling to and uncoupling fro... | 07/04/2006 |
| 7014016 | Brake pad clearance sensor A brake actuator assembly includes a sensor mounted to a push rod which is in communication with a transceiver antenna. The sensor provides positional information of the push rod relative to the antenna. A clearance between a friction element and a rotating brake me... | 03/21/2006 |
| 7000731 | Multi-material cover for a ladder rail end A cover for an end of a ladder rail includes a shell and a tread. The shell comprises at least one material, whereas the tread comprises at least one other material. The shell is sized to engage the ladder rail. The tread is engaged with the shell at least partially... | 02/21/2006 |
| 6980390 | Magnetic media with embedded optical servo tracks A storage medium is provided that includes a magnetic recording tape having a first side and a second side, and a plurality of optically detectable indicia embedded in a servo layer disposed between the first side and the second side of the tape. The optical reflect... | 12/27/2005 |
| 6957622 | In-situ wear indicator for non-selective material removal systems An in-situ wear indicator for detecting wear to at least one selected part in a semiconductor manufacturing environment. The indicator is manufactured in a selected material with a selected thickness so that the indicator degrades upon exposure to the semiconductor ... | 10/25/2005 |
| 6951186 | Non-invasive environment history indicator for reusable device In an apparatus including a unit which is recoverable and reusable after use, an environmental history indicator member having a property variable according to an environmental history of use of the apparatus and arranged not to participate in any functions of the a... | 10/04/2005 |
| 6944952 | Shaving system A shaving unit that comprises at least one blade and a skin engaging member that has a surface for engaging the user's skin adjacent the blade edge. The shaving unit may be of a disposable cartridge type adapted for coupling to and uncoupling from a razor handle or ... | 09/20/2005 |
| 6943672 | Warning apparatus for signaling wear and tear of timing belt in engine The warning apparatus includes magnetic force generating units, each oppositely arranged about a timing belt to generate a mutually opposite polarity of a magnetic force. A voltage inducing unit is disposed at one lateral surface of the timing belt to induce a volta... | 09/13/2005 |
| 6922916 | Footwear with outsole wear indicator The invention is a wear indicator for a footwear outsole. The wear indicator includes a plurality of strata that each have different properties, such as color. As portions of an individual stratum are worn away, corresponding portions of an underlying stratum are re... | 08/02/2005 |
| 6920965 | Spot-type disc brake with a spring assembly for a brake pad The present invention relates to a spot-type disc brake with a brake housing straddling a brake disc, with at least one brake pad that is arranged in the brake housing so as to be slidable in the actuating direction and cooperates tribologically with the brake disc ... | 07/26/2005 |
| 6904698 | Apparatus for measuring piston travel A piston travel measuring device for mounting to a non-pressure head is provided. The non-pressure head includes a cylinder and a piston connected thereto for reciprocal movement along a piston travel axis. The device comprises a mounting flange adapted to mount to ... | 06/14/2005 |
| 6854194 | Wheel centering adaptor with protective liner and wear indicator A wheel centering adapter for being applied to an elongated mounting shaft designed for extending through a center hole of a vehicle wheel. The centering adapter cooperates with a clamping assembly to align and center the wheel relative to the shaft. The centering a... | 02/15/2005 |
| 6834611 | Pest infestation monitoring device with pop-up indicator An indication device for monitoring a presence of a pest in a designated area includes a housing having a longitudinal axis and a plurality of openings therethrough. A trigger is positioned within the housing and is axially aligned with the longitudinal axis. An ind... | 12/28/2004 |
| 6799928 | Device for detecting wear of a nut in a screw-and-nut assembly A screw-and-nut assembly comprising a support secured to the nut, which support is provided with a surface in contact with the thread of the screw, and an electrical sensing member responsive to mechanical interaction with the thread of the screw, the sensing member... | 10/05/2004 |
| 6786153 | Printing rolls having wear indicators and methods for determining wear of printing and anilox rolls and sleeves A printing device, system and method are disclosed for measuring and displaying the amount of wear experienced by printing rolls. A wear detection mechanism is employed in connection with rolls, such as anilox-type rolls that transfer ink to a substrate in forming a... | 09/07/2004 |
| 6742472 | Pressure measuring film for measuring pressure in small contact area A pressure measurement method using a pressure measuring film in which a toner layer with a definite thickness is held between an adhesive layer formed on a first support and an inactive adhesive layer formed on a second support. Prior to applying the pressure to be... | 06/01/2004 |
| 6672245 | Walking aid and a wear indicating foot therefore A wear indicating foot for use on the bottom of a leg of a mobility assisting device having a coupler for coupling the foot to the leg. A ground engaging base opposite the leg has a bottom surface for contact with the ground. An upper surface extends late... | 01/06/2004 |
| 6615639 | Self monitoring static seal A seal for preventing leakage of fluid from between a first member and a second member the second member is capable of moving toward and away from the first member, the seal is adapted for engaged contact with the first member and the second member so as ... | 09/09/2003 |
| 6594904 | Shaving system A shaving unit that comprises at least one blade and a skin engaging member that has a surface for engaging the user's skin adjacent the blade edge is described herein. The shaving unit may be of a disposable cartridge type adapted for coupling to and unc... | 07/22/2003 |
| 6564909 | Wear detector for a vehicle braking member A vehicle braking member has a block of friction material cooperating in sliding manner with a respective member for braking, and supports a wear detector wherein a resistive element, consumed simultaneously with the block of friction material, has a firs... | 05/20/2003 |
| 6512453 | Motor vehicle ABS-integrated brake pad wear indication apparatus A device for ABS-integrated brake pad wear indication in a motor vehicle in which all line paths are constructed to avoid current loops and induction surfaces. All the wheel speed and pad wear signal lines respectively lead to the ABS or ABS/ASR control u... | 01/28/2003 |
| 6418873 | Bicycle wheel rim with a wear-indicating projection A bicycle wheel rim includes an annular rim body having a central axis. The annular rim body includes annular left and right side walls spaced apart from each other. Each of the side walls has a radial inner edge proximate to the central axis, a radial ou... | 07/16/2002 |
| 6415735 | Gear wear indicator The present invention is directed to a gear wear indicator. The gear wear indicator comprises at least one indicator tooth where the indicator tooth comprises a cavity. An indicator element is located within the cavity and is visually altered when the cav... | 07/09/2002 |
| 6394023 | Process kit parts and method for using same A recyclable process kit part is provided with a visible mark. After the part undergoes a cleaning process that removes deposited material therefrom, the part can be determined to be within tolerance, based on the mark's visibility. More specifically, the... | 05/28/2002 |
| 6386237 | Abrasive material transport hose with wear detecting sensors The useful life of an abrasive material transport hose (10) can be maximized if the hose is repositioned at the first signs of internal wear. This is accomplished by disposing at least two wear sensing elements (17, 21), each at a specified distance from ... | 05/14/2002 |
