Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 4352149 | Simulated rain on a window pane panel assembly A simulated rain on a window pane panel assembly that can be used as a room divider, a head-board for a bed, a window replacement, or a door. It has a minor frame assembly having a pair of vertical side frame members interconnected adjacent their respecti... | 09/28/1982 |
| 4344112 | Environmental lamp An ornamental lamp adapted to cause circulation of air in a room between the floor and the ceiling of the room. The ornamental lamp includes a hollow light permeable structure defining a vertical air flow passage and has as open upper end and an open lowe... | 08/10/1982 |
| 4342073 | Ceiling fan with illumination means A ceiling sweep fan includes a motor depending from a ceiling mount, the motor being supported for rotation on a vertical axis, a plurality of radially extending air impeller blades supported for rotation by the motor, means for providing illumination mou... | 07/27/1982 |
| 4314316 | Illuminating whistle An illuminating apparatus which may include audio sound comprises a mouthpiece chamber for producing the forcible passage of air against a flexible conductive contact which completes an electrical circuit to a lamp.... | 02/02/1982 |
| 4305117 | Artificial illumination of ornamental water fountains with color blending in response to musical tone variations An ornamental water fountain is artificially illuminated by separate sets of differently colored lamps illuminated by a color blending system that responds to variations in musical tones. In one embodiment, there are three sets of lamps in separate princi... | 12/08/1981 |
| 4301946 | Apparatus for placing a device to be energized in a circuit including a battery without need for wiring A battery operated, personal, non-lethal defensive weapon capable of projecting a high intensity beam of light and, a fraction of a second thereafter, a highly concentrated spray of fluid capable of temporarily disabling an attacker features a unique stru... | 11/24/1981 |
| 4300186 | Safety light A safety for use in combination with a motor vehicle comprising an elongate vertically extending telescoping member having a first segment connected between the floor and ceiling of a motor vehicle and a second segment vertically telescoping along the ver... | 11/10/1981 |
| 4292999 | Valve for toy balloons The invention relates to a valve for toy balloons, this valve opening inwardly under very minor excess pressure and yet providing a tight seal by means of an additional cap. A container surrounding the valve and flaring conically serves for introducing th... | 10/06/1981 |
| 4291839 | Vehicle rust-inhibiting spray gun with lighting means A hand-held, rust-inhibiting spray gun with lighting capability, comprising in combination a grippable body portion, a front spray nozzle, a sealant supply line, and a lightweight, directional and adjustable lighting source removably mounted to the gun an... | 09/29/1981 |
| 4281367 | Submersible lamp wiring terminals A submersible lamp having a housing and a lens with a bulb carried therein in optical alignment with the lens. A pair of terminal connections are provided for electrically coupling the bulb to a source of illuminating energy. The housing forms an open air... | 07/28/1981 |
| 4268893 | Illumination apparatus for use in an obscured ambient, fluid conduit and method A light assembly which includes a source of light and a reflector for directing the light in at least one direction. A fluid is directed about the light to disperse obscuring substances in the ambient surrounding the light. The fluid is directed through a... | 05/19/1981 |
| 4247844 | Alarm light An alarm light includes a lamp, an alarm, and an actuator moveable for actuating the lamp and alarm. The alarm is powered by pressurized gas for vibrating a chamber-sealing disk to emit a shrieking sound. The actuator is located adjacent to the tank and t... | 01/27/1981 |
| 4190312 | Light display means A plurality of light reflective particles are positioned within a hollow, translucent bulb-like member. A fan directs air into the bulb-like member to cause the light reflective particles to move about within the bulb-like member. Light is directed into t... | 02/26/1980 |
| 4170035 | Display lamp having a translucent envelope A display lamp which includes a container and a source of light and heat mounted adjacent to the container, and, within the container, a liquid in which are suspended a number of insoluble reflecting flakes, the container being substantially surrounded by... | 10/02/1979 |
| 4120024 | Lighting installation A lighting installation for interior lighting of structures with pneumatic supporting members, comprising a hollow slotted light guide in the form of a supporting and shaping element of the structure. The hollow slotted light guide is of elastic film with... | 10/10/1978 |
| 4086720 | Device for attracting and eliminating flying insects A device to attract flying insects by light, the light source being enclosed in a light transmitting body and about the body a curtain of liquid raining down to contact the insects trying to reach the light source, thereby drowning the insects or killing ... | 05/02/1978 |
| 4064427 | Safety guard and light fixture attachment for ceiling fans A safety guard and light fixture attachment for ceiling fans in the form of an annular ring encircling the ceiling fan in alignment with and guarding relation to the fan blade tips with the ring having a plurality of light fixtures mounted thereon in orde... | 12/20/1977 |
| 3995151 | Lighting ornament A tubular member of predetermined length is arranged in an ornamental fasion, such as a helix disposed in conical or cylindrical configuration or as a festooned member, and is adapted to contain a first fluid, such as water, and to receive a second fluid,... | 11/30/1976 |
| 3987295 | Automatically cleaned traffic light A traffic signal signal lamp assembly has an upper lens and a lower lens bordered by ends of first and second cylindrical hoods, respectively. The first hood is connected to a first trough having an outlet port which extends through the first hood whereby... | 10/19/1976 |
| 3964194 | Changeable color display device A sealing cap prevents viscous fluid leakage from a display device of the type adapted for producing a constantly changing completely random multi-colored effect by the action of air bubbles traveling upwardly through the fluid contained in narrow working... | 06/22/1976 |
| 3958100 | Means for preventing heat build-up in a wall-mounted room ventilator A wall mounted room ventilator apparatus includes a blower driven by a two speed electric motor, electric lighting means and electric heating means. A selector switch is provided for selecting operation of at least (1) only the lighting means, (2) only th... | 05/18/1976 |
| 3936176 | Device for maintaining a developability regulating apparatus contaminant free A device in which a developability regulating apparatus employed in a multi-color electrophotographic printing machine is maintained substantially free from contaminating particles. This is achieved in the present invention by directing a substantially la... | 02/03/1976 |
