...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8113694 | Optically efficient notification device for use in life safety wall strobe applications A wall notification device described herein can draw a lower current by providing a more efficient reflector configuration. The reflector is designed to be positioned on a wall and provide sufficient light output in each of the requisite directions, as required by t... | 02/14/2012 |
| 7300185 | Quadrilateral symmetrical light source A reflector for focusing light emitted from a light source in a generally planar direction is disclosed. The reflector is matched with the light source that is preferably a light emitting diode (LED) mounted on a substrate. The reflector is mounted over the LED on t... | 11/27/2007 |
| 7281824 | Luminaire with reflector having two portions with different optical axes A luminaire has a concave reflector with an optical center on an optical main axis in an optical main plane. A screen extends along the optical main axis to a light emission window. The reflector has a first faceted reflector portion at a first side of the optical m... | 10/16/2007 |
| 7255461 | Lamp reflector having a plurality of reflecting elements A lamp comprising a light source (18) and a reflector (26), wherein the reflector is of non-circular cross-section perpendicular to the longitudinal axis of the lamp and comprises several panels (20). Each panel has an undulating surface (22 | 08/14/2007 |
| 7220039 | Backlight device of liquid crystal display device and method fabricating the same A backlight device for a liquid crystal includes a substrate, a light source including a first plurality of green light emitting diodes, a second plurality of blue light emitting diodes, and a third plurality of red light emitting diodes arranged along a first row d... | 05/22/2007 |
| 7221329 | Enhanced beam antenna A reflector includes a conductive surface and a surface coating. The surface coating includes a binder and metal oxide grains embedded in the binder. The metal oxide grains include aluminum oxide that constitute up to 60% of the metal oxide by weight. A method of ma... | 05/22/2007 |
| 7198389 | Lamp with spot light and flood light features A lamp with combined spot and flood light distribution properties in which an elongate translucent shell defines an interior cavity with a reflector portion and a neck portion. A socket-engaging base includes a pair of electrical contact members for communicating wi... | 04/03/2007 |
| 6989743 | Replacement LED lamp assembly and modulated power intensity for light source A light emitting diode (LED) warning signal light, the warning signal light comprising an array of light sources configured on a light support and in electrical communication with a controller and a power supply, battery, or other electrical source. The warning sign... | 01/24/2006 |
| 6988816 | Energy efficient lighting apparatus and use thereof An apparatus and method are provided for providing substantially uniform illumination. The apparatus includes an elongate reflector housing with an inner surface having a substantially constant profile in cross section which is generally concave, an optical center b... | 01/24/2006 |
| 6945669 | Film encapsulated strand of lights A method and apparatus providing improved Christmas tree lights. A strand of Christmas tree lights is encapsulated in a thin translucent film of polymer. ... | 09/20/2005 |
| 6893143 | Lamp, in particular, lounge, table or pocket lamp The invention relates to a lamp, in particular, a lounge, table, or pocket lamp with a lamp head (13), comprising a light source (16), arranged in a hollow reflector (17), which extends with the plug-in, or terminal contacts thereof, through an ... | 05/17/2005 |
| 6863414 | Front light module A front light module includes a light guide plate having opposite ends and a front surface and an opposite back surface connected to each other by the ends. The front surface forms sets of raised ridges, each raised ridge having opposite inclined faces. The front su... | 03/08/2005 |
| 6796691 | Indicator lamp able to generate an inclined flux, for a motor vehicle An indicator lamp for a motor vehicle is delimited at least on one side by a partition (22) running along the lamp over a substantial depth and comprises a light source (10), a flux concentrator and/or recuperator element (211), glazing (30 | 09/28/2004 |
| 6568835 | Luminaire The luminaire comprises a concave reflector (1) with an optical center (2) on an optical main axis (3), in an optical main plane (4). A screen (6) extends along the main axis (3) up to a light emission window (5). A panel (7) extends at a first side of th... | 05/27/2003 |
| 6527420 | Illuminating module for a display apparatus An illuminating module includes two spaced-apart light sources, two hemispherical reflectors, two parabolic reflectors and two planar reflectors. Each of the light sources is disposed at a common focal point of one of the hemispherical reflectors and one ... | 03/04/2003 |
| 6527411 | Collimating lamp A lamp for emanating light has two or more light units assembled together. Each light unit comprises a light pipe having side surfaces to direct light from a light receiving end to a light exiting end and a light source. Each light pipe has a dedicated li... | 03/04/2003 |
| 6517219 | Colorful lamp strip An lamp strip with a heat shrinkage tube provided with portions of different colors is disclosed. The lamp strip includes an elongate bar defining a plurality of bores spaced along the bar. A groove is defined in an outer surface of the bar and coextensiv... | 02/11/2003 |
| 6502950 | Installation for illuminating rooms The installation comprises a housing (3) which is assigned to one of the walls (5) of the room (42) which is to be lit. A light-guiding arrangement is provided in the housing (3) and is designed such that it can guide light from the outer end part (38) of... | 01/07/2003 |
| 6206549 | Light reflector A light reflector for use in a lighting device including a light bulb having a filament. The reflector includes a cup-shaped body having a parabolic internal reflective surface divided transversely into an inner portion surrounding the light bulb to focus... | 03/27/2001 |
| 6079840 | Surface light source device having shielding layer There is provided a surface light source device of side light type, which is not reduced in efficiency of illumination light utilization, even if the surface light source device is subjected to fringing such as to trim a luminant portion. For instance, a ... | 06/27/2000 |
| 5826973 | Illuminated display with uniform luminance An illuminated display is disclosed, comprising a housing, a reflector and a light source for displaying translucent photographic images. The reflector and the light source are specially designed relative to each other to provide uniform luminance on a pl... | 10/27/1998 |
| 5825041 | System for optical curing An apparatus for projecting electromagnetic radiation onto a curing surface. The apparatus includes a housing containing the curing surface. The housing also includes a source of electromagnetic radiation and an elongate primary concave reflector. The sou... | 10/20/1998 |
| 5816694 | Square distribution reflector A lighting fixture having an integrally formed reflector for distributing a substantially square pattern of light and a light source extending along the reflector axis between first and second ends. The reflector has a side wall which includes four simila... | 10/06/1998 |
| 5743634 | Perforated reflector for an ornamental luminaire In brief, the objects and advantages of the present invention are achieved by a reflector for an ornamental luminaire. The reflector includes a member formed of a metal material, the metal member having a predetermined thickness and being perforated with ... | 04/28/1998 |
| 5733030 | Light reflector A light reflector comprised of a plurality of facets (16). Facet (16) has a reflective interior surface that concentrates and directs the light emitting from a light-stick (18). Facets (16) have exterior surfaces that can be imprinted with information. Th... | 03/31/1998 |
| 5730521 | Glare control sports lighting luminaire A luminaire especially suited for sports and roadway applications. The reflector of the luminaire has a modified parabolic shape wherein a true parabolic curve has been tipped inwardly to produce a tipped parabolic reflector having a circle of focal point... | 03/24/1998 |
| 5676458 | Luminaire A cylindrical luminaire is provided whose components align easily, for quicker assembly, despite the lack of intrinsic preferred relative orientation in circular components. Circular end plates affixed in a desired alignment to the end of an elongated ref... | 10/14/1997 |
| 5676455 | Wall mountable lighting fixture Disclosed herein is a light unit for narrow hallways A reflector housing is provided to project light from a vertically extending bulb in an indirect manner, so as to provide a substantially laterally extending light pattern. The reflector has internal re... | 10/14/1997 |
| 5659410 | Surface light source device and liquid crystal display A wedge shaped parallelized light flux element made of a light scattering guide of an emitting directionality has a specified ranged effective scattering irradiation parameter and correlation distance "a". A light incident into the parallelized light flux... | 08/19/1997 |
| 5539622 | Strobe device A strobe device is provided, including a light source and a reflector which reflects part of the light emitted from the light source. The reflector is provided with a reflecting surface that is shaped to form virtual images of the light source behind the ... | 07/23/1996 |
| 5539623 | Lighting device used in an exit sign A lighting device (32) is provided to illuminate indicia (18) of an EXIT sign (10) having a sign housing (12) defining an enclosure (22) therein and having a primary electrical power source. The lighting device is provided with a reflector (40) having a s... | 07/23/1996 |
| 5430630 | Light beam converter and deflector For recessed lighting fixtures, particularly those mounted in ceilings, the present invention provides an easily attached removable accessory device for deflecting a portion of the light path in a selected direction that differs from the original directio... | 07/04/1995 |
| 5416683 | Drop dish lighting fixture with rectangular beam pattern A lighting fixture for overhead mounting to produce a generally-rectangular, outwardly and downwardly directed light illumination over a broad areal expanse. The fixture includes a pair of back-to-back arranged reflectors depending from a supporting overh... | 05/16/1995 |
| 5414604 | Light reflector with edge illumination A reflector for a fluorescent fixture having an elongate generally cylindrically concave inner surface defining a cavity shaped so that all portions of a fluorescent lamp along the reflectivity axis are within the cavity. The inner surface of the reflecto... | 05/09/1995 |
| 5394307 | Photographic flash device A photographic flash device includes a bar-like flash discharge tube for emitting light, and a reflector having a rectangular-shaped opening for irradiating light beams emitted from the flash discharge tube toward and through the rectangular-shaped openin... | 02/28/1995 |
| 5390095 | Visual signaling device A visual signaling device which has a horizontally extending lamp which is connected to an electrical housing and which is surrounded by a reflector body. The reflector body has a pair of oppositely extending horizontal parabolic troughs and a downwardly ... | 02/14/1995 |
| 5130902 | Light, in particular for motor vehicles A lamp for a motor vehicle has a light source and a reflector for reflecting light rays generated by the light source. The reflector has a body formed at least partially by rotation of a parabolic generatrice by a predetermined angle about a focal point o... | 07/14/1992 |
| 5075827 | Indirect light fixture amplification reflector system A luminaire of the indirect lighting type includes an indirect light fixture amplification reflector system consisting of plural opposed compound asymmetric reflectors mounted on a common longitudinal axis and used in combination with each other to produc... | 12/24/1991 |
| 5020252 | Illuminated sign system An illuminated sign system, e.g., an illuminated canopy or roof ridge for petrol stations and the like, comprising a trough with one or more electrical fluorescent tubes partially covered by a light shield having areas of differing light transmissivity, e... | 06/04/1991 |
| 4984140 | Hand held flashlight with selective beam and enhanced apparent brightness This invention produces a spot beam or a broad beam having no unilluminated regions within the beam. In one case, the size of the beam is established by the relative position of the light bulb and a uniquely shaped reflector. The apparaent brightness of t... | 01/08/1991 |