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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7832735 | Seal assembly with protective filter A fluid seal assembly including a specialized protective filter unit which is adapted for use with a fluid seal, as well as to the combination of a protective filter unit with an associated seal unit to form a complete seal assembly. The seal provides increased reli... | 11/16/2010 |
| 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 |
| 7066467 | Sealing device for water pump bearings A sealing device for a water pump bearing employs a seal member without an axial lip, and having only a radial lip. The sealing device includes an annular seal member which is fixed to a shoulder portion of one end in an axial direction of an outer race of a water p... | 06/27/2006 |
| 7055828 | Shaft seal A lubricant seal assembly has an outer seal component and a separate inner wear sleeve. The outer seal component has a carrier and a PTFE seal element which lays down against the wear sleeve to provide a seal collar extending to an oil side of the seal assembly. The... | 06/06/2006 |
| 7025357 | Shaft seal having lip supports A shaft seal includes an elastomeric annular body having an outwardly protruding annular lip. An annular outer case is embedded into the body. An annular insert is positioned adjacent the outer case. An annular inner case is embedded into the body adjacent the inser... | 04/11/2006 |
| 7000744 | Shock absorber cylinder head scraper A vehicle shock absorber is provided that includes a piston rod. A cylinder head having a bore defining an axis supports the rod within the bore. A scraper is arranged proximate to the cylinder head and includes a hole with the rod arranged within the hole. The scra... | 02/21/2006 |
| 6945536 | Oil seal A two liquid type oil seal 10 having a first seal 13 and a second seal 14, is provided with a communication hole 16 in the first seal 13. The communication hole 16 communicates a space 24 defined by the first and seco... | 09/20/2005 |
| 6843392 | Valve with a valve stem wiper A valve for use with an aerosol container including a valve body, a valve stem having a dispensing passage, and a sealing ring contacting the valve stem. The sealing ring includes a sealing portion. The valve stem is slidably moveable relative to the sealing ring fr... | 01/18/2005 |
| 6640943 | Shock absorber with sealing ice scraper A shock absorber (2) includes a piston assembly (6) and a damping fluid cylinder (4) having a first end (22) and defining a damping fluid chamber (56). The piston assembly includes a piston (14) mounted to a shaft (8). The piston divides the damping fluid... | 11/04/2003 |
| 6609716 | Wiper seal A wiper seal for a hydraulic component is provided. The wiper seal includes a support member with a first leg that has an inner surface, a first end, and a second end and that extends substantially parallel to a reference axis. The support member further ... | 08/26/2003 |
| 6179297 | Seal A seal that is particularly suitable for use in a gas spring (and other high pressure hydraulic and pneumatic sealing applications) and that minimizes leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring. The gene... | 01/30/2001 |
| 6036192 | Skew and twist resistant hydrodynamic rotary shaft seal A hydrodynamically lubricated squeeze packing type rotary shaft seal suitable for lubricant retention and environmental exclusion which incorporates one or more resilient protuberances which and cooperate with the gland walls to hold the seal straight in ... | 03/14/2000 |
| 5957461 | Radial lip shaft seal A unitary radial lip seal assembly to provide a fluid tight seal between a shaft and a housing bore through which the shaft extends includes an annular rigid retainer, a resilient body portion secured to the retainer and defining at least one sealing lip ... | 09/28/1999 |
| 5921557 | Seal for gas springs and the like A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or othe... | 07/13/1999 |
| 5921556 | Seal for gas springs and the like A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or the ... | 07/13/1999 |
| 5895053 | Seal for gas springs and the like A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or othe... | 04/20/1999 |
| 5649709 | Shaft seal with dust sealing lip A shaft seal (20) suitable for use in automotive shock absorber. The shaft seal (20) includes an annular dust sealing member (36) having a dust sealing lip (56) and an auxiliary rib (60). The auxiliary rib (60) is configured to present a rounded profile (... | 07/22/1997 |
| 5645283 | Radial shaft seal having dust lip with notches A radial shaft seal comprises a gasket and an anti-dust lip made of polymer and resting axially separated against the shaft with concentric sealing edges around it. The anti-dust lip has at least two sealing edges separated by a gap. Each edge is interrup... | 07/08/1997 |
| 5607168 | Seal incorporating a resilient sealing element A shaft seal includes a case defining an axial portion and a radial portion, and a resilient PTFE sealing member is secured to the case by an elastomeric material, such as rubber, in an injection molding process. The elastomeric material forms an outer ri... | 03/04/1997 |
| 5511886 | Bearing seal with oil deflectors A radial seal assembly for sealing a lubricant-containing bearing cavity in an anti-friction bearing includes a rigid annular ring mounted in a cylindrical bore of the outer bearing case and a resilient sealing body bonded onto the ring and engaging an ou... | 04/30/1996 |
| 5503408 | Lip seal for a rotary shaft A seal assembly is mounted on a shaft in sealing relationship to provide a sealed chamber in a housing from which the shaft extends. The seal assembly includes a unitary annular seal body attached to an annular retainer. The seal body includes three radia... | 04/02/1996 |
| 5482296 | Sealing rings and sealed assemblies A sealing ring for sealing between opposed surfaces of a bore and a rod extending axially in the bore has a recess, preferably in the form of a narrow axially-opening annular slot, behind one or mote sealing lips thereof. The dimensions of the recess are ... | 01/09/1996 |
| 5478091 | Dynamic seal and related control cable Disclosed is a new dynamic sealing device and a related remote control cable. The device, made of a thermoplastic polyurethane, has a pair of sealing ridges of differing diameter which bear against a rod moving with respect to the outer cable portion, i.e... | 12/26/1995 |
| 5350181 | Pumping feature on wear sleeve for unitized seal A fluid seal assembly with a primary seal element and a wear sleeve element. The primary seal includes a casing and a seal element that contacts a sealing surface on the wear sleeve. The wear sleeve has a cylindrical portion that overlies a portion of the... | 09/27/1994 |
| 5286038 | Unitized seal for heavy duty application A unitized seal assembly for vehicle wheel hubs and the like. The seal assembly includes a primary seal component and a wear sleeve component. The primary seal component includes an elastomeric seal body with a primary sealing lip contacting a first porti... | 02/15/1994 |
| 5244215 | Rotary shaft seal with retractable excluder lip A seal assembly is provided for retaining fluids within a sealed region defined in part by the seal assembly secured within an annular casing member and in part by a shaft extending axially through the seal assembly within the casing. The fluid seal assem... | 09/14/1993 |
| 5186548 | Bearing shaft seal A seal assembly for sealing an annular space between a housing having a cylindrical bore therein and a shaft member extending into and mounted for coaxial rotation relative to the bore, includes a resilient sealing body having an annular lubrication seali... | 02/16/1993 |
| 5167419 | Fluid seal with integral check valve The present invention is a fluid seal adapted to be disposed about a cylindrical shaft. The fluid seal includes a body portion having an aperture extending axially therethrough and adapted to be disposed about the shaft. The fluid seal also includes a fir... | 12/01/1992 |
| 5123661 | Fluid sealing structure A casing component, such as a crankcase end cover of an automobile engine, has a fluid seal, such as an oil seal, incorporated with the component by being molded on to a flange which is an integral part of the component.... | 06/23/1992 |
| 5085444 | Dust seal for sliding type bush A dust seal for a sliding type bush is interposed between a stationary section and a movable section. The dust seal has a fitting portion fitted to the stationary section, a seal lip portion in sliding contact with the outer circumferential surface of the... | 02/04/1992 |
| 5002287 | Seal The present invention relates to a seal (1) comprising a sealing means (2) and a casing means (3). The casing means (3) is arranged with a Z-shaped member (7, 10, 11), of which one portion (10) preferably is arranged with recesses (13) in order to provide... | 03/26/1991 |
| 4981303 | Sealing device A sealing device comprising a projected portion having a rubber-like elastic member on the outer periphery of a seal member, an outer cylindrical portion extending toward the seal member on a flange portion of a sleeve member. This outer cylindrical porti... | 01/01/1991 |
| 4928979 | Sealing apparatus A sealing apparatus has a main body which is mounted on a housing and is provided with a sealing lip, and a rotary body mounted on a rotary shaft of a member with which the apparatus is combined. The rotary body extends in the radial direction of the rota... | 05/29/1990 |
| 4911454 | Radial shaft sealing ring A radial shaft sealing ring comprises a stiffening ring as well as a sealing lip and an annular seal which are integrally combined by radial connecting sections running through notches in the stiffening ring. The annular seal is mounted in recesses in the... | 03/27/1990 |
| 4844484 | Floating lip seal with reinforced flexible portion An annular shaft seal including a continuous lip sealing element for sealing against oil flow between a bore and a shaft extending through the bore includes a convoluted elastomeric flexible section which connects the sealing element with a rigid case sup... | 07/04/1989 |
| 4844480 | Pressure sensitive shaft sealing ring A radial shaft sealing ring includes an outer fastening ring reinforced by an insert for fixing the sealing ring in the bore of a casing through which a rotating shaft passes. The sealing ring includes a sealing lip directed toward the inside of the casin... | 07/04/1989 |
| 4818620 | Elastomer coated lip seal A lip seal having enhanced shock loading capabilities includes a rigid case member coated with an elastomeric material. A composite annular sealing lip having a bonding portion formed of an elastomeric material and a contact portion formed of polytetraflu... | 04/04/1989 |
| 4747605 | Fluid pressure seal with pressure distortion barrier A fluid pressure seal assembly is adapted to accomodate high and low pressure conditions in hydraulic oil environments. In a preferred form, the seal assembly includes a primary shaft sealing annulus having a radially inwardly extending circumferential se... | 05/31/1988 |
| 4721312 | Cassette seal for a shaft A cassette seal has a sealing ring and a resilient protective ring for forming a dust seal to protect the sealing ring from dust. For this, a lip on the protective ring axially engages a substantially-radial countersurface in the cassette seal to accommod... | 01/26/1988 |
| 4699526 | Sealing device for bearings A sealing device which is fitted between the outer and inner races of a bearing has a sealing lip portion comprised of a first sealing lip positioned closer to the outer side of the bearing which is exposed to the atmosphere and a second sealing lip posit... | 10/13/1987 |
