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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8150230 | High-voltage bushing A high-voltage bushing has a conductor and a core surrounding the conductor, wherein the core comprises a sheet-like spacer, which spacer is impregnated with an electrically insulating matrix material. The spacer is wound in spiral form around an axis, the axis bein... | 04/03/2012 |
| 8068714 | Optical waveguide feedthrough assembly An optical fiber feedthrough assembly includes a glass plug disposed in a recess of a feedthrough housing. The glass plug may define a large-diameter, cane-based, waveguide sealed within the recess in the housing and providing optical communication through the housi... | 11/29/2011 |
| 7978952 | Cover for optical fibers and/or optical devices Apparatus and methods are provided for controlling a light emission from an end of an optical fiber by utilizing a cover that blocks the light emission at the fiber end, a detector situated between the fiber end and the cover that detects the blocked emission, and a... | 07/12/2011 |
| 7751677 | Optical fiber feedthrough using axial seals for bi-directional sealing An optical waveguide feedthrough assembly passes at least one optical waveguide through a bulk head, a sensor wall, or other feedthrough member. The optical waveguide feedthrough assembly comprises a cane-based optical waveguide that forms a glass plug sealingly dis... | 07/06/2010 |
| 7751676 | Cable entry seal A seal assembly is provided to seal the area between a cable, containing optic fibers for example, and the terminal end of a conduit through which the cable runs. The seal assembly comprises an area of a resilient material and a supporting structure. The seal assemb... | 07/06/2010 |
| 7747126 | Optical waveguide feedthrough assembly An optical fiber feedthrough assembly includes a glass plug disposed in a recess of a feedthrough housing. The glass plug may define a large-diameter, cane-based, waveguide sealed within the recess in the housing and providing optical communication through the housi... | 06/29/2010 |
| 7742676 | High-voltage bushing An exemplary high-voltage bushing has a conductor and a core surrounding the conductor, wherein the core includes a sheet-like spacer, which spacer is impregnated with an electrically insulating matrix material. The spacer can have a multitude of holes that are fill... | 06/22/2010 |
| 7672562 | Optical cable having an enlarged section to facilitate pulling An optical fiber cable includes a stopper, an enlarged section, around a portion of its outside surface that is adapted to engage a tool, which is used for pulling the cable through a conduit or the like. The stopper may be an integrated part of the cable, or it may... | 03/02/2010 |
| 7580608 | Pushing-in fiber optic cable driver The present invention discloses a pushing-in device and a method for driving through a cable entry port of an elastomeric sealing element of a fiber optic closure. The pushing-in device comprises a first end having an opening adapted to receive a cable, and a second... | 08/25/2009 |
| 7526175 | Feedthrough of submarine repeater and submarine repeater A disclosed feedthrough of a submarine repeater for introducing a tail cable connected to a submarine cable having a transmission line and a feed line into said submarine repeater includes: a tail cable introduction unit having an insulator for internally installing... | 04/28/2009 |
| 7519261 | Optical feedthrough assembly for use in implantable medical device An optical feedthrough assembly is provided that is configured to be disposed through the canister of an implantable medical device. The optical feedthrough assembly comprises a ferrule having an aperture therethrough and an inner surface therethrough. An optical fi... | 04/14/2009 |
| 7515807 | Hermetic fiber feedthrough A fiber optic feedthrough includes a housing defining a cylindrical bore, the housing fitting hermetically into an aperture of a wall. A first collimator sealed within the bore receives output from an optical fiber located on a first side of the wall, and a second c... | 04/07/2009 |
| 7512307 | Method of making optical connector ferrule, die for making optical connector ferrule, optical connector ferrule made by this method, and optical connector and optical wiring system using the same An optical connector ferrule molding die 1 for molding an optical connector ferrule having a plurality of optical fiber holes comprises an upper die 10, a lower die 11, and an intermediate die 12, whereas the intermediate die 12 co... | 03/31/2009 |
| 7493007 | Hermetic seal device for polarization-maintaining optical fiber and hermetic seal partition A hermetic seal device for a polarization-maintaining optical fiber is provided. The hermetic seal device includes a polarization-maintaining optical fiber and a cylindrical member to be inserted by the polarization-maintaining optical fiber, where the cylindrical m... | 02/17/2009 |
| 7437048 | Equipment bay cable management system A cable management system is provided that is configured to be located between adjacent equipment racks, while being vertically oriented to extend upward along a narrow space between the adjacent equipment racks. The cable management system comprises a main panel ex... | 10/14/2008 |
| 7433570 | Slack storage system A slack cable storage system is provided which stores slack cable under a fiber access terminal or pedestal and provides support for the terminal or pedestal. The slack cable is thus stored under the terminal and is available for splicing or restoration of service. ... | 10/07/2008 |
| 7430357 | Hermetic seal on metallized fiber optics A fiber optic cable includes multiple optical fibers extending from a low-pressure environment into a high-pressure environment. At a junction region, the optical fibers are substantially free of any coating, while the fibers include a coating in the low- and high-p... | 09/30/2008 |
| 7418180 | Optical fiber ribbon splitting tool An optical fiber ribbon splitting tool for selectively separating optical fibers of an optical fiber ribbon into one or more subsets of optical fibers. The ribbon splitting tool comprises a housing, a shearing device movably mounted within the housing, and an actuat... | 08/26/2008 |
| 7400811 | Sealed feedthrough assembly for optical fiber The present invention relates to a sealing device for optical fiber, comprising in combination a plurality of conical jaws (4) with which optical fiber (1) is in line, a body including a corresponding female cone (3) intended to receive the jaws... | 07/15/2008 |
| 7373072 | Feedthrough fiber strain relief Method and apparatus for feeding on optical waveguide through a partition device, such as a wellhead outlet are disclosed. For some embodiments, the wellhead outlet includes a first chamber having a first port, a second chamber having a second port connected by a pa... | 05/13/2008 |
| 7373062 | Hollow core optical fiber An optical fiber comprises a hollow fiber core, wherein the front faces of both fiber ends of the hollow fiber core are open and each fiber end is surrounded by a protection element in a dustproof fashion. The protection element includes a window at its front face i... | 05/13/2008 |
| 7364448 | Connector including circular bladder constriction and associated methods A connector may include first and second connector portions being movable between unmated and mated positions. First and second bladders may be in respective first and second connector portions and cooperate therewith so that opposing ends of the first and second bl... | 04/29/2008 |
| 7359642 | Modular optical receiver A modular, hermetically sealed optical signal receiver subassembly for converting a modulated optical signal to a corresponding electrical signal including an optical demultiplexer coupled to a fiber optic connector receiving a multi-wavelength optical signal having... | 04/15/2008 |
| 7352948 | Service blocker device and method A device and method of blocking customer access to a fiber optic distribution cable. A service blocker is positioned between a fiber distribution cable and a customer drop cable within a fiber optic adapter. The service blocker includes a body which does not permit ... | 04/01/2008 |
| 7350987 | Optical package fiber pass-through to reduce curvature of optical fiber during threading Optoelectronic packages with one or more feed-throughs having a cutout allow optical fibers that have been coupled to a component (e.g., an optical component, an electrical component, a structural component) to be fed through more easily than a package having feed-t... | 04/01/2008 |
| 7349618 | Optical feedthrough assembly for use in implantable medical device An optical feedthrough assembly is provided that is configured to be disposed through the canister of an implantable medical device. The optical feedthrough assembly comprises a ferrule having an aperture therethrough and an inner surface therethrough. An optical fi... | 03/25/2008 |
| 7343068 | Optical module An optical module including first and second lens housings that individually receive first and second lenses; first and second optical fiber housings that individually receive end portions of optical fibers; first and second guide pins for positioning the first and ... | 03/11/2008 |
| 7338215 | Cable termination An optical cable termination includes a termination body and a pressure test section. The pressure test section includes a body configured to be press fit, screwed or otherwise attached to an end of the termination body and at least one test port. The pressure test ... | 03/04/2008 |
| 7327927 | Hermetic seal for optical fibers Methods and apparatus are provided for a seal assembly that includes a first plate, a second plate, and compliant material. The first and second plates each have a first side, a second side, and a channel extending therebetween. The channel includes a first cross-se... | 02/05/2008 |
| 7319804 | Radius limiter and arrangement A cable radius limiter having a radius limiting surface that prevents damage to cables due to excessive bending. The cable radius limiter includes mounting structure and cable retaining structure arranged such that the limiter can be operably oriented and mounted to... | 01/15/2008 |
| 7284914 | Structures for small form factor LiNbO3 optical modulator Small form factor package structures are disclosed for LiNbO3 optical modulator by reducing the package dimension for minimize the unused free space inside a modulator package. If a first aspect of the invention, the structure of the small form factor package for Li... | 10/23/2007 |
| 7280734 | Expanding single mode fiber mode field for high power applications by fusion with multimode fiber Apparatus and methodology for the low coupling of optical fibers in high power applications. An end of a single mode optical fiber, or a polarization maintaining fiber, is cut and spliced to a relatively short segment of an index matched multi-mode fiber or an optic... | 10/09/2007 |
| 7278789 | Undersea equipment housing with molded terminations An undersea equipment housing includes an inner housing, molded terminations secured at each end of the inner housing, and an outer strength housing. In one embodiment, the housing is used to house optical and electrical equipment, for example, in a repeater. The un... | 10/09/2007 |
| 7268299 | Telecommunications cable enclosure An adaptor for use with a telecommunications enclosure includes a body having a port extending therethrough from a first end of the body to a second end of the body. The first end of the body is configured for mounting within an opening of a telecommunications housi... | 09/11/2007 |
| 7264401 | Panel-mountable optical fiber splice A panel-mountable fiber optic splice is provided for interconnecting first and second optical fibers through an opening in a panel, bulkhead, wall or the like. The optical fiber splice includes a housing configured to be inserted into the opening in the panel, a spl... | 09/04/2007 |
| 7266261 | Fiber optics differential pressure transducer A fiber optics differential pressure transducer (100, 200, 300, 400) containing Bragg networks (118), said transducer being used to measure the differential pressure in a Venturi installed inside a pipe (1), through which a fluid like oil is dis... | 09/04/2007 |
| 7251409 | Cable strain relief design for limited space through-hole applications A cable strain relief that includes an over-molded portion affixed to a cable and a flexible decorative boot. The decorative boot is passed through an opening in an enclosure. The cable is passed through a cylindrical space form in the decorative boot until the over... | 07/31/2007 |
| 7245812 | Structure for connecting optical fiber An optical fiber is optically coupled to a light-receiving/emitting element contained in an interface box. The coupling structure is composed of a cylindrical ferule water-tightly inserted into a through-hole formed in a wall of the interface box, a resilient gromme... | 07/17/2007 |
| 7228898 | Gravel pack completion with fluid loss control fiber optic wet connect A gravel pack completion with fluid loss control and fiber optic wet connect. In a described embodiment, a system for completing a subterranean well includes multiple assemblies installed in a wellbore. Each assembly has a fiber optic line. The fiber optic lines are... | 06/12/2007 |
| 7231124 | Frame having offset inner door section A frame includes a cabinet, a door, and a bracket. The cabinet has an opened front face. The door has a door frame and an inner door section. The door frame is connected to the cabinet for the door to open and close relative to the front face of the cabinet. The bra... | 06/12/2007 |
