Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8245347 | Cleaning apparatus for a component of a household tumble dryer A cleaning apparatus for a component operatively disposed within a process air-circuit of a household tumble dryer, in particular a heat exchanger of a household tumble dryer, the cleaning apparatus including a cleaning brush configured for operational movement alon... | 08/21/2012 |
| 7797781 | Robot mechanism for cleaning and inspection of live-line insulators A robot mechanism adopts a dry cleaning method to clean the surface of live-line insulators without using water and can perform cleaning and inspection of the surface of the live-line insulators while automatically moving along an insulator string. The robot mechani... | 09/21/2010 |
| 7316236 | Cleaning device for the shaving head of a dry shaving apparatus A shaving head cleaning device includes a housing, a receptacle configured to receive the dry shaving apparatus, a receiving region configured to receive the shaving head of the dry shaving apparatus, a reservoir for containing cleaning fluid, a supply conduit conne... | 01/08/2008 |
| 7234186 | Rim cleaning apparatus Apparatus for cleaning the rim of a wheel. The apparatus comprises a housing journaling a driveshaft, driven by an electric motor and mounting a pair of wire brushes configured to contact the wheel rim. Guides on the housing cause the axis of the drive shaft to be p... | 06/26/2007 |
| 7228584 | Portal washing facility for motor vehicles The invention relates to a portal washing facility for motor vehicles, in particular passenger motor vehicles, that includes a portal device that can move relative to the motor vehicle in its longitudinal direction, has at least one horizontal washing brush that is ... | 06/12/2007 |
| 7229504 | Methods and apparatus for determining scrubber brush pressure In a scrubber adapted to clean a semiconductor wafer, the torque of a brush rotation motor is monitored while a scrubber brush is in contact with the wafer and is being rotated by the motor. The position of the brush relative to the wafer may be adjusted based on th... | 06/12/2007 |
| 7200889 | Device and process for cleaning electrified contact rail insulators for rail rapid transit systems A device and process for cleaning electrical insulators mounted under an electrified contact rail parallel to a rail track comprises positioning arm(s) attached to a vehicle that travels on the track and a cleaning station with fixed or moveable fingers. The fingers... | 04/10/2007 |
| 6986185 | Methods and apparatus for determining scrubber brush pressure In a scrubber adapted to clean a semiconductor wafer, the torque of a brush rotation motor is monitored while a scrubber brush is in contact with the wafer and is being rotated by the motor. The position of the brush relative to the wafer may be adjusted based on th... | 01/17/2006 |
| 6817052 | Apparatuses and methods for cleaning test probes Apparatuses and methods for cleaning test probes used in a semiconductor testing machine of the type having a plurality of test probes configured to contact the surface of a semiconductor wafer to test one or more dies formed thereon. In one embodiment, the apparatu... | 11/16/2004 |
| 6751824 | Cleaning apparatus for semiconductor wafer A wafer cleaning device is disclosed in which a brush is integrally formed with a nozzle for supplying pure water, such that a uniform water screen is formed on a surface of a wafer and particles on the wafer can be entirely removed. The cleaning device includes inj... | 06/22/2004 |
| 6740170 | Apparatus and method for cleaning peripheral part of substrate A cleaning apparatus (9) for cleaning a peripheral part of a substrate holds a peripheral part of a substrate (1) between the elastic porous member (29) of an upper cleaning roller (16) and an elastic porous member (30) of a lower ... | 05/25/2004 |
| 6351866 | Arm scrubbing system An arm scrubbing system comprises a housing. The housing has upper, lower, distal, proximal and side walls. The walls define a chamber. Two circular rear apertures are formed in the distal wall and two circular proximal apertures are formed in the proxima... | 03/05/2002 |
| 6279187 | Shellfish predator screen cleaner A rotating brush assembly for cleaning shellfish predator screens is provided.... | 08/28/2001 |
| 6131230 | Portable razor cleaning and holding apparatus A device for easily and quickly cleaning safety razors is provided with a housing having a top portion with an elongated slot having a brush adjacent thereto and a hollow bottom portion having a fluid reservoir formed therein. A cleaning wall may be forme... | 10/17/2000 |
| 5940920 | Pipe cleaning apparatus Apparatus for removing residual contaminates from a section of pipe used in gas lines. The apparatus includes a frame and a cradle mounted on the frame for holding a section of pipe. The apparatus also includes a rigid rod moveably mounted on the frame fo... | 08/24/1999 |
| 5769954 | Process and device for treating the surface of large objects A process and device are disclosed for cleaning the surface of airplanes (44). A large manipulator arranged on a truck (10) is moved towards the airplane (44) up to a predetermined position within its range of action and is parked in that position. A rota... | 06/23/1998 |
| 5675856 | Wafer scrubbing device A wafer scrubbing device for cleaning the surfaces of a thin disk disposed on a stationary spin chuck employs a double brush arrangement whereby brush rotation induces rotation of the disk to be cleaned and whereby the speed differential between the const... | 10/14/1997 |
| 5651156 | Guardrail cleaner A guardrail cleaner includes a frame equipped with upper rollers for mating with an upper guardrail edge and a lower roller for pressing against the guardrail rear surface, a drive wheel for moving the cleaner along the guardrail by traction on the surfac... | 07/29/1997 |
| 5628081 | Brush head for large manipulators The invention relates to a brush head for large manipulators with a brush roller fitted on a motor-driven brush shaft (56) having flexible, centrifugally born bristles (66) and divided into at least two axially separated roller sections (58) and with at l... | 05/13/1997 |
| 5592710 | Brush head for cleaning surfaces The invention relates to a brush head for large machines for cleaning large objects like aircraft. The brush head (18) has a brush roller (58) motor-driven in a predetermined direction of rotation (130), bearing a crown (66) of flexible, centrifugally bor... | 01/14/1997 |
| 5465447 | Apparatus for scrubbing substrate Improved method and apparatus for scrubbing a substrate are provided, the method including the step of scrubbing one face of the substrate with a cylindrical rotary brush while applying back pressure to the substrate by jetting a fluid for generating back... | 11/14/1995 |
| 5435036 | Apparatus for washing a plurality of baby bottles and associated components concurrently An apparatus for washing a plurality of baby bottles and associated components concurrently comprising a housing having front and rear walls, side walls, a lower base coupling together the walls in a box-like configuration and an upper plate with a plural... | 07/25/1995 |
| 5426806 | Sports equipment grip cleaner A sport grip cleaning unit to be used at the location of the sporting activity. The cleaning unit consists of a vending operation under the control of the user. The unit consists of a two compartment cabinet whereby the user is able to control the cleanin... | 06/27/1995 |
| 5416944 | Device for internal cleaning and/or treatment of long closed channels The present invention relates to a device for cleaning and/or treating elongated closed ducts or channels, particularly ventilation ducts. The device includes an automotive vehicle and mounted thereon a rotary brush useful for cleaning and/or surface trea... | 05/23/1995 |
| 5343584 | Nuclear reactor pressure vessel and head flange polisher A polisher is supported on either a frame/arm arrangement or on a vehicle which is guided by track, and is arranged to be energized to polish a predetermined surface of an annular flange or the like, when relative movement is sensed between the polishing ... | 09/06/1994 |
| 5274869 | Automatic chalk ash cleaner Disclosed is an automatic chalk ash cleaner including an elongated casing horizontally fastened to a blackboard at the bottom and covered with a wire netting cover, a brush assembly driven by a power drive through a transmission mechanism to sweep chalk a... | 01/04/1994 |
| 5201090 | Apparatus for cleaning the insulators of live power lines by means of helicopter The apparatus has an operating structure which is suspendable, by means of cables, from the barycentric hook of a helicopter and is provided with an orientatable arm having a cleaning head rigidly associated therewith. The cleaning head is provided with s... | 04/13/1993 |
| 5163199 | Multiple operating head apparatus for cleaning metal pieces An apparatus for cleaning metal pieces comprises, on a supporting framework, a plurality of cleaning assemblies, each of which comprises two adjoining and independent operating arms, each of which supports one or more operating tools.... | 11/17/1992 |
| 5161281 | Wheel rim cleaning apparatus An apparatus for cleaning the rim of a vehicle which including a buffer wheel head mounted adjacent a wheel mounting device and being pivotable toward the rim about a first axis which is parallel to the axis of rotation of the wheel. The buffer wheel head... | 11/10/1992 |
| 5155883 | Combination golf club cleaner and ball washer A device for selectively cleaning the head of a golf club or for cleaning the surface of a golf ball, including a housing having a cleaning chamber formed therein, a pair of brush members being mounted in the housing for counterrotation, each of the brush... | 10/20/1992 |
| 5142725 | Carrousel plate washout unit This invention is an apparatus and method of removing the unhardened portion of a coating. More specifically, the preferred embodiment is an apparatus that removes the unhardened portion of photopolymer plate after it has been exposed. The apparatus is ma... | 09/01/1992 |
| 5103525 | Apparatus for removing a residual lap of a spool The present invention provides an apparatus which employs a mechanical removal system in place of a conventional air jet system, in removing a residual lap on a spool. The residual lap removal apparatus according to the present invention principally compr... | 04/14/1992 |
| 5092011 | Disk washing apparatus Described herein is a disk washing apparatus for cleaning substrate disks of memory medium, which comprises in combination: a loader section having a magazine for holding a number of disks to be washed; a working section including a washing stage arranged... | 03/03/1992 |
| 4970747 | Trash rack cleaning apparatus A cleaning apparatus for cleaning under water structures that comprises a cylindrical brush having a plurality of bristles that extend radially outward, a sealed electric motor for axially rotating the cylindrical brush and a winch and cables to raise and... | 11/20/1990 |
| 4962566 | Machine for cleaning tapped holes used for affixing the covers to armholes and eyeholes in steam generators A machine (3) for cleaning tapped holes (2) distributed around the periphery of an opening (1), e.g., those tapped holes used for peripherally bolting on a cover for an armhole or an eyehole in a steam generator of a nuclear power station. The machine com... | 10/16/1990 |
| 4958396 | Golf club and golf ball cleaning device A golf ball and golf club cleaning device uniquely suited to the task of cleaning golf balls and golf clubs with wood or metal heads of either left-handed or right-handed configuration. This device employs a rotating segment brush assembly, lifted by cam ... | 09/25/1990 |
| 4951339 | Cleaning machine for golf clubs A motor powered cleaning assembly for the washing of golf club heads including a housing having a power brush rotatably mounted thereon and a removable cleaning fluid containing tray disposed in substantially enclosing relation to the brush wherein the ho... | 08/28/1990 |
| 4934012 | Device for brushing the gasket face of a manhole for gaining access to the inside of a vessel The invention relates to a device for brushing the gasket face of a manhole for gaining access to the inside of a vessel. The invention comprises a main frame (100), a secondary frame (200) mounted to rotate relative to the main frame (100) about an axis ... | 06/19/1990 |
| 4926604 | Method for correcting abrasion in a robot having a wearing tool mounted thereon Burring by way of a grind stone using a robot has been rarely practiced because the correction of abrasion of the grind stone involves a problem. There has been hitherto proposed a method for correction of abrasion by making use of a force sensor or a spe... | 05/22/1990 |
| 4887328 | Device for brushing sealing surfaces of enclosure access holes A device for brushing the sealing plane of access holes in enclosures comprises an assembly which rotates about a main axis coaxial in use with the hole. On a mount at the end of this assembly is a brush eccentric to the main axis and which is rotated abo... | 12/19/1989 |
