"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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 |
| 7347424 | Shaft seal having integrated removal feature A dynamic shaft seal assembly has inner and outer cases that are clamped together to secure a seal element therebetween for dynamic sealing about a rotatable shaft. The inner case is formed with integral pull tabs that are engageable by a seal removal tool to facili... | 03/25/2008 |
| 7344140 | Lip-type seal The lip-type seal of the present invention is a lip-type seal with which the outer periphery of a rotational shaft (S) supported by a predetermined housing (H) is sealed. The lip-type seal is made up of a first annular reinforcing member (11) and a first seal... | 03/18/2008 |
| 7325810 | Tank conduit orifice sealing device with internal bolts This invention provides a device for use with sealing an orifice in a wall, comprising: a first annular member having an interior radius and a radial mating surface; a second annular member disposed on the first annular member opposite the radial mating surface and ... | 02/05/2008 |
| 7314315 | Gearbox for cold metal cutting machine Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating... | 01/01/2008 |
| 7182346 | Multistage oil seal against different cutting fluids for a machine tool motor A multistage oil seal (4) includes a plurality of lips (7a, 7b, 7c) in a plurality of stages disposed around a motor shaft (1) of a machine tool along the axis of the motor shaft to protect internal members of ... | 02/27/2007 |
| 7165771 | Brush seal and method of using and making same A brush seal assembly is provided for sealing components which move relative to one another. One of the components includes a recess or groove for accommodating a clamping sleeve which supports bristles. A support plate which is formed separately from the component ... | 01/23/2007 |
| 7147229 | Shaft seal assembly with retaining ring and washer A shaft seal assembly (10) features an annular carrier (14), an annular shaft seal element (16) and an annular felt washer (18) in an integral assembly that can be installed in one step using a simple push-on tool. The washer (18) ... | 12/12/2006 |
| 7143691 | Juice extractor with bottom loading strainer tube A juice extractor includes an extractor frame, at least one pair of extractor cups relatively moveable to each other, a strainer tube that receives juice and pulp and discharges juice therefrom, and a juice manifold positioned to collect the juice discharged from th... | 12/05/2006 |
| 7134670 | Rotation shaft seal A rotation shaft seal provided with a rubber sealing portion which contacts a surface of a rotation shaft and an outer case to which the rubber sealing portion is unitedly fixed. The outer case has an inner brim portion on an inner end portion on a sealed fluid side... | 11/14/2006 |
| 7040628 | Large diameter polytetrafluoroethylene or like seals A large-diameter PTFE seal. The lip of the seal is made from a long strip of PTFE bound together at the ends with the aid of a patching tape to form a closed loop. The loop is then flanged and placed between an inner and an outer case, together with a rubber-like ga... | 05/09/2006 |
| 6979002 | Sealing apparatus having sequentially engageable seals Advantageous seal systems (1500) are provided that include a barrier member movable relative (1504) to a shaft (1550) to allow sequential engagement of resilient seal members (1506), e.g., lip seals, with the shaft. Movement of the barrie... | 12/27/2005 |
| 6726210 | Sealing device for a gear box A sealing device for a gear box includes a box having a hole defined through a wall thereof and a shaft having a first end rotatably engaged with an inside of the box. A second end of the shaft is supported by a bearing which is received in a frame engaged with the ... | 04/27/2004 |
| 6702293 | Seal member mounted between cylinder head cover and ignition plug tube A seal member adapted to be mounted between a cylinder head cover and an ignition plug tube comprises a mount portion interposed radially movably between an upper surface of an annular stepped portion formed around an opening of the cylinder head cover fo... | 03/09/2004 |
| 6666459 | Radial shaft seal A radial shaft seal includes a supporting ring which is attached to at least one sealing ring made of a polymer material. The sealing ring has at least one sealing lip and an additional gasket is arranged on the side of the sealing lip facing away from th... | 12/23/2003 |
| 6641141 | Self-contained anti-blowout seal for fluids or gases A self contained anti-blowout seal includes a seal jacket having a static seal surface and a dynamic seal lip with a cavity therebetween. A retaining ring is provided and disposed, in part, within a cavity of the seal jacket and proximate the static seal ... | 11/04/2003 |
| 6575471 | Cylinder for a hydraulic system In a cylinder for a hydraulic system, a seal has a sealing bead clamped between a housing of the cylinder and a supporting part which holds the sealing bead in a deformed state by pretensioning. The seal is reliably held in its intended position by the su... | 06/10/2003 |
| 6565096 | Lip type seal In a lip type seal, a case is tightly fitted and fixed to an inner circumferential surface of a housing through a gasket. A resin lip member constituted by an inner circumferential part extending in a bent state from a diameter direction part and its inne... | 05/20/2003 |
| 6502682 | Hydraulic release system The abstract relates to a hydraulic clutch release system, particularly for motor vehicles. The system 1 has a master cylinder and a slave cylinder, and the slave cylinder has a piston 7 which is annular in form and works inside an annular cylinder 2. The... | 01/07/2003 |
| 6293557 | Disposable seal system A sealing system for use in a chemical or gaseous delivery system has a delivery tube connected to a source of the material to be delivered and which intrudes into the revolving region where the material is to go. The sealing system has a secondary sealin... | 09/25/2001 |
| 6273231 | Fluid operated clutch disengaging apparatus A hydraulic clutch release system, particularly for motor vehicles has a master cylinder and a slave cylinder, and the slave cylinder has a piston 7 which is annular in form and works inside an annular cylinder 2. The leading end of the cylinder is fitted... | 08/14/2001 |
| 6076645 | Ring piston seal for a hydraulically controlled disconnect system A hydraulically controlled disconnect system for a friction clutch of motor vehicles is provided and is constructed as a slave cylinder which includes a pressure housing (2) which is arranged concentrically in relation to a gear box input shaft (3). A gui... | 06/20/2000 |
| 6053505 | Sealing device between movable parts in mutual contact A device for sealing connecting two assembly parts (1, 2) that are movable relative to one another, especially between two damper blades or one damper blade and one stop of a flue gas fitting, containing an elastic sealing element (5), which contains two ... | 04/25/2000 |
| 6004249 | Slide disc seal arrangement for a roll of a paper making or finishing machine or the like A slide disc seal for use in a roll of a paper or board making machine or finishing apparatus, which roll comprises a stationary axle (1) and a rotatable shell (2) with an end element (8) at each end and bearing elements (3) at each end of the roll. The s... | 12/21/1999 |
| 5709283 | Method and apparatus for a hydraulic seal retainer for a rack and pinion steering gear A hydraulic rack and pinion power steering gear (10) and a method of assembling the steering gear (10) are provided comprising a rack (20) operatively associated with steerable vehicle wheels. The rack (20) is movable in opposite directions for turning th... | 01/20/1998 |
| 5582412 | Cartridge type water stopper A cartridge water gasket for use in an endothermal engine-powered water pump for isolating wet and dry sections of the pump, which includes an annular frame located in an annular space between the axle and the inner wall of the pump body, and having an ex... | 12/10/1996 |
| 5411273 | Lip seal to seal a shaft, in particular a ship's propeller shaft This invention relates to lip seals for shafts, whose lip bodies consist of rubber elastic material, and is mounted on the reverse side on an essentially radial surface of a back-up ring which is integral with the housing. When the pressure of the medium ... | 05/02/1995 |
| 5316318 | Annular brush gasket An annular brush gasket makes it possible to ensure imperviousness between two zones wherein a pressure difference exists between the zones, even when the shaft is moved off center. The body of the gasket is mainly formed of several annular sectors dispos... | 05/31/1994 |
| 5299811 | Seal member mounted in housing pocket by resilient retaining member An inexpensive, efficient seal member having a tubular housing member that can be integral to or attached to a frame of a motor to form a ring seal around the shaft of the motor prior to mating the shaft with a pump or other driven device. The flexible el... | 04/05/1994 |
| 5234039 | Sealing device for fuel supply port of fuel tank for use in vehicles A sealing device for the fuel supply port of a fuel tank for use in vehicles includes a nozzle seal made of a rubber-like elastic material. The nozzle seal is provided in an annular groove formed in an inner peripheral surface of a fuel supply port guide ... | 08/10/1993 |
| 5207794 | Seal assembly for a shaft comprising a stuffing box A seal assembly for a shaft comprising a stuffing box having an inner circular cylindrical wall surface, for attachment on or in a wall having an opening for passage of a shaft therethrough. The seal assembly having at least one first annular sealing lip ... | 05/04/1993 |
| 5178243 | Hydraulic damper According to a hydraulic damper disclosed in the specification, a piston rod guide arrangement comprises a bushing in contact with a piston rod and a bushing retainer formed by pressing a sheet of metal to have an outer sleeve portion and an inner sleeve ... | 01/12/1993 |
| 5171025 | Sealing arrangement for a valve and more particularly one in the form of a multi-way valve A sealing arrangement for valve has at least one sealing ring, which has a substantially U-like cross section of its housing ring, which is made up of a plurality of parts which are permanently connected together. In the ring space of the housing ring a s... | 12/15/1992 |
| 5161426 | Automotive speedometer assembly with integral anti-fouling grease seal An automotive speedometer assembly includes a speedometer head, a cable for mechanically driving the head and a seal positioned within the cable proximate the head for preventing infiltration of lubricant from the cable into the head.... | 11/10/1992 |
| 5083802 | Lip seal device A lip seal device for sealing the gap between a housing and a rotary shaft comprises a case surrounding the rotary shaft, a lip seal attached inside the case a, support for holding the lip seal on the outer circumferential portion thereof and a seal locat... | 01/28/1992 |
| 5056801 | Seal for a shaft A seal for sealing a shaft to a sheet of material is provided, the seal having a hollow body to extend through an aperture in the sheet of material, an outwardly extending flange on one end of the body, at least one first annular sealing element extending... | 10/15/1991 |
| 5054329 | Starter motor pinion shaft oil seal A starter motor which is improved in waterproof performance. The starter motor comprises an output rotary shaft, a stationary frame, a ball bearing secured to the frame, and a clutch pinion moving member mounted in a coaxial relationship to the rotary sha... | 10/08/1991 |
| 5055015 | Seal structure for rotary body and vane-type rotary compressor employing the same A seal structure comprises a combination of a dynamic seal assembly which is active while a rotary body is rotating and a static seal assembly which is active while the rotary body is not rotating. The dynamic seal assembly includes a seal member mode of ... | 10/08/1991 |
| 5052696 | Compact compressor seal A shaft seal having a thin radial section is adapted for mounting within a small radial annular clearance space between a housing and a shaft. An elastomeric sealing member is bonded to an axially inner portion of the seal and a polytetrafluoroethylene se... | 10/01/1991 |
| 5009435 | Unitary sealing system with internal venting A unitary seal device having a dual seal system for sealing around a rotatable shaft between the rotatable shaft and its housing to separate a region of higher pressure from a region of lower pressure is disclosed. The unitary seal device includes an annu... | 04/23/1991 |
| 4977936 | Filler neck sealing assembly A sealing assembly is provided for use in a filler neck sized to receive a fuel-dispensing nozzle. The sealing assembly includes an elastic seal member between the filler neck and a fuel-dispensing nozzle and a seal retainer for clamping the seal member i... | 12/18/1990 |