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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7370990 | Equipment for a change of rotary gobos For lighting equipment for illumination of theatre and show stages and platforms there is designed an equipment for change of rotary gobos comprising a carrier disc supporting interchangeable segments with the gobos. The individual segments (2) are attached a... | 05/13/2008 |
| 7347588 | Focusable spotlight with asymmetrical light distribution A spotlight having a variable angle of radiation includes a light source and a converging lens. The converging lens is the front lens of the spotlight. The front lens is eccentrically arranged such that the principal optical axis of the front lens is not coincident ... | 03/25/2008 |
| 7325950 | Headlight antiglare device An antiglare device comprises a housing for coupling to a headlight of a vehicle. Surfaces of the housing which face a passenger side of the vehicle are reflective to encourage reflection of light away from oncoming traffic while surfaces of the housing facing towar... | 02/05/2008 |
| 7217007 | Dark sky friendly lamp and housing combination apparatus A dark-sky friendly lamp-housing combination is provided for use with a light fixture. The combination uses a standard lamp having a light element and a base section. The base section includes a neck attached to the light element and a connector that is received in ... | 05/15/2007 |
| 7147350 | Portable light modification device A novel light modification device is described that includes an optical wheel having at least two light modification sections, the optical wheel being turned by an electric powered actuator and the electric power used to operate the actuator being provided by a ligh... | 12/12/2006 |
| 7144141 | Self-aim vehicle light device A self-aim light device. The light device includes a rotating light shield pivotally coupled to an axis. The light shield could include a mass on one end such that gravitational forces control movement of the light shield around a pivot point. The light device may b... | 12/05/2006 |
| 7108401 | Shutter lock for specialized lighting fixtures A specialized lighting fixture, such as a framing projector provided with a plurality of adjustable framing shutters, is modified to incorporate a pair of locking rings, surrounding the body of the lighting fixture and positioned on opposite sides of outwardly proje... | 09/19/2006 |
| 7097329 | Underwater lighting fixture with color changing electric light assembly An underwater lighting fixture adapted for installation in a wall of a swimming pool. The lighting fixture includes a housing having an interior cavity and a transparent cover. A color changing electric light assembly is provided in the interior cavity. The light as... | 08/29/2006 |
| 7044625 | Light-emitting apparatus able to dynamically produce lights of different wavelengths A light-emitting apparatus able to dynamically produce lights of different wavelengths comprises a light source, a lamp holder surrounding the light source and having a notch, and a light-transmitting structure surrounding the lamp holder, wherein the light-transmit... | 05/16/2006 |
| 6991357 | Lamp A lamp, in particular a motor vehicle lamp, comprises a light distribution device (14, 14′) into which the light of at least one light source (6) is fed in such a way as to produce a light flux which is firstly propagated through the light distributi... | 01/31/2006 |
| 6971770 | Lighting apparatus Lighting apparatus includes an effect wheel which is mounted on a rotation mechanism. The rotation mechanism is mounted on a mechanism which moves the effect wheel from a position outside of the light path to a position in which the effect wheel intersects the light... | 12/06/2005 |
| 6834982 | Spotlight with perimetrical delimitation of the emitted light beam A spotlight with perimetrical delimitation of the emitted light beam, comprising a light source for emitting a light beam, an optical element that can move axially with respect to the light beam in order to adjust the breadth of the light beam, and a Fresnel lens fo... | 12/28/2004 |
| 6796683 | Color mixing apparatus for theatrical ellipsoidal spotlights A color changing apparatus adapted to be installed between the reflector assembly and front barrel assembly of a theatrical ellipsoidal spotlight. The color changing apparatus includes a housing for connecting to the spotlight components. Contained within the housin... | 09/28/2004 |
| 6776508 | Landscaping fixtures with colored lights A landscaping light fixture including a housing containing a lamp such as an incandescent lamp or LED, that produces light when powered, a lens through which light from the passes and a multi-colored wheel, strip or shutter juxtapositioned between the lamp and lens ... | 08/17/2004 |
| 6744693 | Lighting fixture A lighting fixture projects a light beam for spot lighting in theater stages, cinema and television studios and the like. The fixture includes a light source at one end of a housing having a light beam exit aperture at the opposite end thereof, the light source and ... | 06/01/2004 |
| 6598997 | Light assembly having changeable colors A light assembly includes a light device and a color member disposed in a housing. A driving device, such as one or more motors are disposed in the housing, and engaged with the color member for moving the color member relative to the light device to gene... | 07/29/2003 |
| 6592423 | Rotating holographic toy A toy for producing a three dimensional aesthetically pleasing illuminated image. The toy includes a handle, a light source, a rotary drive mechanism, and a plate-like member having an outer surface at least a portion of which is a holographic diffraction... | 07/15/2003 |
| 6575610 | Vehicle indicator lamp A vehicle indicator lamp having a transparent cover that performs horizontal light radiation at a wide angle in which a reflecting surface of a reflector is formed so as to diffusion-reflect the light from a filament of the light source into a forward dir... | 06/10/2003 |
| 6530670 | Planar illumination device A planar illumination device has a light source that shines light into a light guide plate through one side face (i) thereof and a reflector member laid on the back face of the light guide plate opposite to the light emission face thereof. In the vicinity... | 03/11/2003 |
| 6502961 | Conical lens array to control projected light beam color, divergence, and shape A lighting module that modifies a light beam to affect the size and shape and color characteristics of the projected beam includes a light source and a reflector to direct the light along an optic path. The reflector is formed so that light is directed al... | 01/07/2003 |
| 6499853 | Night-light with changeable color light A night-light with changeable color light, having a casing with a nontransparent portion, a transparent portion and a plurality of transparent windows. A luminous part is provided under the casing, having a plurality of light cabinets consisting of electr... | 12/31/2002 |
| 6461015 | Portable wearable strobe light A flashing light source mounted to rotate or fixed to the top of a hat or helmet. The light provided shines out throughout a full 360 degree circle around the wearer to signal and warn people of the presence of the wearer or of danger. In a preferred embo... | 10/08/2002 |
| 6454440 | Illumination apparatus and projection type display apparatus using the same An illumination apparatus and a projection type image display apparatus are provided. The illumination apparatus comprises a light source section, a color reflector, and light quantity homogenizing means. The light source section is constituted by an illu... | 09/24/2002 |
| 6447153 | Headlamp for vehicle A reflector is for reflecting light rays from the light source bulb to set up a brightness intensity distribution pattern. The reflector is separated in a movable reflector part and a fixed reflector part. The movable reflector part has a first separated ... | 09/10/2002 |
| 6406171 | Vehicle indicator lamp A vehicle indicator lamp includes a reflector having a diffusing and reflecting function that increases the lamp fixture efficiency by eliminating the loss of reflected light. The structure includes a reflector 14 having a reflective surface 14a which dif... | 06/18/2002 |
| 6386728 | Decorative light assembly A decorative light assembly for illuminating Christmas trees and the like having a ring shaped housing containing a DC light source and a motor drive for rotatably driving one of a series of interchangeable disks disposed in the path of the light source a... | 05/14/2002 |
| 6361188 | Method and apparatus for generating three dimensional light patterns A method and apparatus for generating a three-dimensional image is provided. The system uses one or more laser beams directed at one or more mirrors. Each mirror is flexibly attached to the vibrating portion of a transducer such as a speaker, the transduc... | 03/26/2002 |
| 6354722 | Vehicle lamp having a linearly movable reflector A vehicle headlight has a cam mechanism for displacing the reflector and the light source of the headlight with respect to each other, between two relative positions in which the headlight emits two different types of light beam. The cam mechanism compris... | 03/12/2002 |
| 6254245 | Backlight for liquid crystal displays A backlight for a liquid crystal display includes a light guide plate located adjacent to a liquid crystal display panel. A light collector is located at one end of the light guide plate and has an exposed surface for receiving ambient light. The light co... | 07/03/2001 |
| 6220726 | High efficiency highly controllable lighting apparaus and method An apparatus which produces light of a highly controlled nature and which makes sufficient use of the light including a light source, a primary reflector placed directly at or near the light source and a secondary reflector which receives light from the l... | 04/24/2001 |
| 6139161 | Surface illuminating device and an image display apparatus provided with a surface illuminating device A surface illuminating device is provided with a light source, a light introducing plate lying in a plane passing the light source, a first light diffusing plate arranged on a top surface of the light introducing plate, and a second light diffusing plate ... | 10/31/2000 |
| 6113252 | Architectural luminaries Architectural luminaries utilize a common optical engine having a lamp coupled to an ellipsoidal reflector, a field stop aperture, and image-projecting lenses A color wheel, gobo wheel, and mechanical dimmer may also be included. A microlens element conve... | 09/05/2000 |
| 6102554 | Apparatus for modifying a light beam Apparatus for modifying a beam of light, comprising at least one set of blades moveable across the beam, wherein each set of blades is arranged into a first subset of blades and a second subset of blades, and wherein the respective subsets of blades are a... | 08/15/2000 |
| 6079853 | Cammed rotating gobos A light altering device includes a housing and at least one moveable element coupled to the housing with each of the moveable elements having a light modifying device capable of changing some aspect of a beam of light. A moving control element moves the m... | 06/27/2000 |
| 6024475 | Lighting conduit system A lighting conduit system for collecting sunlight and distributing it inside a building structure to provide natural lighting to the inside of the building structure. The lighting conduit system includes a plurality of interconnected elongate tubular cond... | 02/15/2000 |
| 6004008 | Multi-functional flashlight A flashlight includes a barrel for receiving a battery unit therein, a bulb mounted in the barrel, a transparent housing threadedly engaged with a front end of the barrel, a reflective mirror mounted in the housing to move therewith, and a rear cap mounte... | 12/21/1999 |
| 5988835 | Rotating multiple gel and pattern mount for film/video lights The invention modifies light illuminating from a video/film production light system of the type that includes a lamp and fixturing to form a light beam about a substantially fixed direction relative to the fixturing. A mounting frame attaches to the fixtu... | 11/23/1999 |
| 5980066 | Lighting system with multiple beam shapes Overlapping lenses for use in a light fixture provided to project a beam of light in a first beam shape having a first cross-sectional geometry. A first lens device is supported in the fixture and movable into a position to interrupt the beam of light for... | 11/09/1999 |
| 5934787 | Wall or picture frame mounted, battery operated, fluorescent illuminating device A picture illuminating device for mounting on the wall above the picture, or on the back of the picture frame. The device utilizes a fluorescent light tube to produce uniform lighting and is powered by conventional or rechargeable batteries which eliminat... | 08/10/1999 |
| 5934794 | Projection gate apparatus having an axially-translatable mount An optical system for an image projector luminaire includes a variable-focus lens having a depth-of-field adjustable as to location along an optical axis, and two carriages each supporting at least one image pattern generator at separate locations along t... | 08/10/1999 |
