Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8156671 | Photoluminescent exit device A photoluminescent member is provided for an exit device. The photoluminescent member comprises a housing member for mounting to the exterior surface of the exit device. The housing member includes a photoluminescent portion for being energized by exposure to an amb... | 04/17/2012 |
| 7937865 | Light emitting sign and display surface therefor A light emitting sign comprising a light emitting display surface including at least one phosphor, and at least one radiation source configured to irradiate the display surface with excitation energy such that the phosphor emits light of a selected color. The sign f... | 05/10/2011 |
| 7832131 | Afterglowing sign The present invention relates to an afterglowing sign printed with afterglowing pigments. The sign is made of a material with a coloured surface on which the afterglowing pigment is printed, and the coloured substrate shines through the print with the afterglowing p... | 11/16/2010 |
| 7596898 | Afterglowing sign The present invention relates to an afterglowing sign printed with afterglowing pigments. The sign is provided at least partially with a screen print using opaque or transparent ink. ... | 10/06/2009 |
| 7587845 | Nautical sign A nautical sign with reflective and photoluminescent qualities that is used to enhance the safety of nautical travelers on waterways in conditions where visibility is limited. The nautical sign comprises a front rigid sheet having an upper surface and a lower surfac... | 09/15/2009 |
| 7412790 | Edge-lit panel with photo-luminescent features The present invention discloses an edge-lit panel for emergency lighting using dual mode illumination. The panel includes active lighting by the own light source of the equipment and passive lighting by photo-luminescent pigments coated on various surfaces of the pa... | 08/19/2008 |
| 7339488 | Threshold having safety lights An emergency light system is located in the threshold subadjacent to the lower edge of an emergency egress door. The light system includes a plurality of lights mounted on a flexible backing strip in the threshold. The lights are connected to a switch that can be ma... | 03/04/2008 |
| 7329018 | Illuminated human-machine interface device An illuminated human-machine interface device does not need prepare electric energy by itself to supply power for a light source and can operate by taking advantage of the brightness of a screen of a monitor without any extraordinary illuminating equipment. It can b... | 02/12/2008 |
| 7297964 | Photoluminescent wall marker and method of making A photoluminescent wall marker includes an elongated base having an upper edge and a lower edge. The lower edge of the base is integral with an upper edge of a photoluminescent panel. The upper edge of the photoluminescent panel is integral with the base lower edge ... | 11/20/2007 |
| 7268491 | Expandable display having rollable material A display is disclosed. The display comprises a plurality of expandable tubes and a rollable material coupled to the expandable tubes, wherein the plurality of tubes can be expanded and contracted to increase or decrease the size of the display. The user of the expa... | 09/11/2007 |
| 7261052 | Way-guidance marker A guidance marker for utilization with a fibrous web surface and providing an individual with a safe egress to an exit. The guidance marker includes a base carrying an indicator surface and at least one lock pin. The indicator surface is identifiable in the absence ... | 08/28/2007 |
| 7249431 | Light-activated illuminating device A light-activated illuminating member having a support member and a phosphorescent material supported thereby. The phosphorescent material can form a luminescent image having a varying luminescent effect after the phosphorescent material is exposed to a light of con... | 07/31/2007 |
| 7241021 | Emergency information lighting system An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220... | 07/10/2007 |
| 7230767 | Image display system utilizing light emitting material A display system includes at least one light emitting material having an absorption band carried on a support, wherein the support is a laminated article having a first ply and a second ply; and a projection assembly having an electromagnetic radiation source, the p... | 06/12/2007 |
| 7166369 | Luminous panel A non-powered composite luminous panel including two plates of light transmissive material and the interlayer of a luminescent material provided between the two plates. The luminescent material includes a light transmissive resinous material and contains a suspensio... | 01/23/2007 |
| 7131225 | Folding chair A sign holding device for a folding chair that allows the user to display customized messages on a back rest of the chair. The sign holder is attached to the back rest in various manners so as to permit messages to be displayed when the chair is unfolded. The sign h... | 11/07/2006 |
| 7091843 | Functional and ornamental vehicle accessories Systems and methods for a functional and ornamental vehicle accessory are provided. The vehicle accessory includes a housing and a mounting mechanism for coupling the accessory to a vehicle. The vehicle accessory can also include a light source or light conducting m... | 08/15/2006 |
| 7073916 | Key for use in low light conditions A key, which may be used in a user interface, including indicia formed at least in part from phosphorescent material. ... | 07/11/2006 |
| 7065909 | Portable animated illuminated panel display device A portable illuminated display device arranged to be mounted on various items, such as windows of vehicles or businesses or on garments. The device includes an illuminatable display panel, e.g., an electroluminescent, OLED, LCD or LED panel, and an associated driver... | 06/27/2006 |
| 7052154 | Lighted hat A lighted hat is provided that in one embodiment includes a crown, a bill extending from the crown, and at least one light source positioned to direct light through a light-transmissive portion of the bill. The light-transmissive portion may include one or more indi... | 05/30/2006 |
| 7004786 | Cord management device A device for providing electricity includes a frame, an outlet, a plug, and a cavity cover. The outlet is capable of providing electricity to devices plugged into the outlet. The plug is operable to provide electricity to the outlet from an external power source. Th... | 02/28/2006 |
| 6979499 | Image display system utilizing light emitting material A display system includes at least one light emitting material having an absorption band carried on a support, wherein the support is a laminated article having a first ply and a second ply; and a projection assembly having an electromagnetic radiation source, the p... | 12/27/2005 |
| 6964244 | Tactile identification and direction guidance system and method A tactile identification and direction guidance system and method for blind and otherwise visually impaired persons provides a plurality of substantially identical, longitudinally elongated marker members for support on an underlying walkway in laterally spaced apar... | 11/15/2005 |
| 6956561 | Keypad backlighting of mobile terminal A keypad backlighting apparatus includes an electroluminescence layer for lighting an input device of an electronic apparatus. The input device may be a keypad and the electronic apparatus may be a mobile communications terminal. The terminal includes an upper case ... | 10/18/2005 |
| 6935761 | Lighted hat A lighted hat is provided that in one embodiment includes a crown, a bill extending from the crown, and at least one light source positioned to direct light through a light-transmissive portion of the bill. The light-transmissive portion may include one or more indi... | 08/30/2005 |
| 6921179 | Insulated and luminescent drinking vessel A drinking vessel is provided with an insulated wall structure including an inner wall, an outer wall, and a void between the inner and outer walls providing an insulative barrier for maintaining the temperature of the liquid contents within a desired range for exte... | 07/26/2005 |
| 6908206 | Illuminated articles Illuminated items including a chemiluminescent article. The present invention is directed to various clothing, ornamental and useful items lighted by a chemiluminescent article, preferably a light stick that is activated. Clothing items illuminated by the chemilumin... | 06/21/2005 |
| 6843010 | Sign with photo-luminescent and current-generated lighting A light-conductive and transparent front panel 12 is mounted in a frame 11. One or more etched characters 22 are formed on a rear surface 17 of the front panel 12, and one or more photo-luminescent characters 16 is/are dispo... | 01/18/2005 |
| 6828043 | Luminous panel A non-powered composite luminous panel including two plates of light transmissive material and the interlayer of a luminescent material provided between the two plates. The luminescent material includes a light transmissive resinous material and contains a suspensio... | 12/07/2004 |
| 6758572 | Chemiluminescent lighting element The invention relates to a chemiluminescent light element having at least two chambers, filled with an oxalate solution and an activator solution, or variations of known chemiluminescent light materials including dyes. The oxalate solution is placed within a tight-s... | 07/06/2004 |
| 6748681 | Illuminated badge system An illuminated badge system has plastic top and bottom plates limited flexibility. The top plate has a front face and a side wall extending inwardly and with a lip extending radially outward from the wall. The bottom plate has a rectilinear rear face and a periphera... | 06/15/2004 |
| 6705033 | LED-illuminated outdoor sign A street sign sealed against weather elements during outdoor use consisting of an assemblage of panels, one of which is of unnotched and inwardly notched word-forming letter two portions of width of its acrylic plastic construction material, and peripheral LEDs opti... | 03/16/2004 |
| 6678980 | Traffic safety sign apparatus An emergency traffic sign apparatus for vehicles which has at least three power sources. The emergency sign has a substantially planar main body, on which indicia, preferably in the form of an arrow or other direction indicating symbol is printed in outli... | 01/20/2004 |
| 6663255 | Re-usable self-illuminating sign A re-usable, self-illuminating sign includes a translucent plastic photoluminescent display panel, disposed within a display body, the display panel formed by distributing a photoluminescent powder uniformly throughout the plastic. A chemiluminescent ligh... | 12/16/2003 |
| 6658773 | Label with luminescence inside A fluorescent label for a computer keyboard key. The label is adhesive backed, having two layers of plastic vinyl such as Mylar and is rectangular and corresponds with the size of the key face and the character or message on the key. A kit is a sheet, hav... | 12/09/2003 |
| 6601634 | Illuminating window cover A window cover apparatus that includes a window cover substrate and a mechanism for adjusting the configuration of the substrate relative to a window. Illuminating material such as phosphorescent or luminescent material is provided on or in the substrate ... | 08/05/2003 |
| 6584714 | Fluorescent, structured shaped bodies Optical display containing one or more shaped articles and a light source. The shaped articles consist of a transparent or semitransparent plastic. The plastic contains one or more fluorescent substances. One or more light sources are arranged in such a w... | 07/01/2003 |
| 6526588 | Stabilization of fluorescent dyes in vinyl chloride articles using hindered amine light stabilizers A durable colored article having fluorescent properties comprises a substantially solventless polyvinyl chloride matrix, a thioxanthene fluorescent dye, and a secondary or tertiary hindered amine light stabilizer having a molecular weight less than about ... | 03/04/2003 |
| 6500543 | Artificial stone molded product Provided is an artificial stone molded product in which protrusions or embedded grooves for a figure or a pattern are provided integrally on or in a flat surface of a substrate, and a main composition comprises an aggregate of an inorganic material and a ... | 12/31/2002 |
| 6487802 | Photoluminescent evacuation route kit A photoluminescent evacuation route kit includes a U-shaped base frame for mounting on a wall surface or door panel by screws, the base frame defining a mounting groove, a mylar transparency of custom graphics sandwiched in between a photoluminescent back... | 12/03/2002 |
