Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7354216 | Grease seal cup to retain lubrication for life extension in existing splined joint A grease seal cup for a splined joint between a drive shaft and a driven shaft comprises a cylindrical portion adapted to form a seal with the outer surface of the drive shaft and a seal with a sealing member, such as a spanner nut, of the driven shaft. The grease s... | 04/08/2008 |
| 7293778 | Systems and methods for sealing between stators and rotors A seal is used between a housing and a shaft having an axis. The seal includes a first portion and a second portion engageable with each other and movable relative to each other. The first portion and the second portion are configured to be received in a cavity betw... | 11/13/2007 |
| 7290669 | Upflow bioreactor having a septum and an auger and drive assembly An upflow bioreactor includes a vessel having an inlet and an outlet configured for upflow operation. A septum is positioned within the vessel and defines a lower chamber and an upper chamber. The septum includes an aperture that provides fluid communication between... | 11/06/2007 |
| 7210687 | Shaft seal assembly A primary technical goal of this shaft seal device is to decrease the pressure of a sealant at a communication passage between a fluid chamber and a first seal portion, to further reduce the pressure by a floating ring, to make the first seal portion pressure-proof ... | 05/01/2007 |
| 7201380 | Rotary shaft dynamic seal provided with an angular encoder device, a device including such a seal, and a method of fabricating such a seal A dynamic seal for a rotary shaft, the seal comprising a sleeve for being constrained in rotation on the shaft and an annular lip of polymer having a low coefficient of friction to come into sliding rotary contact with a stationary casing surrounding said shaft so t... | 04/10/2007 |
| 7178806 | Cinchpac self-loading rotary shaft seal A seal for a conveyor drive which has an elastomer which is compressed between a cap ring and a housing. ... | 02/20/2007 |
| 7175388 | Integrated labyrinth and carbon seal An integrated double seal assembly includes a carbon seal ring and at least one annular labyrinth seal fin. The seal provides a compact solution for sealing a rotating shaft. ... | 02/13/2007 |
| 7144015 | Modular gas seals cartridge A tandem gas seal assembly is described for sealing between the rotor and the casing of a rotary machine. The assembly comprises two sealing stages 10, 12 mounted axially adjacent to one another on the machine rotor. In the invention, wherein the two stages | 12/05/2006 |
| 7080510 | Exhaust gas sealing system for turbocharger An exhaust gas sealing system for a turbocharger includes a control valve for controlling a flow of an exhaust gas in a turbine housing, a shaft extending to an outside of the turbine housing through a bearing bore provided on the turbine housing, one end of the sha... | 07/25/2006 |
| 7073796 | Metal packing A metallic packing is used to seal a connection between steam pipes. The metallic packing has an annular basement. This annular basement has an opening that joins the holes of the steam pipes. Two annular lips project from an inner circumference of the annular basem... | 07/11/2006 |
| 7066469 | Seal assembly for machinery housing A seal assembly for a machinery housing includes a seal ring having a micro heat exchanger and a gland plate for securing the seal ring to the machinery housing. The gland plate includes a cooling fluid port in communication with the micro heat exchanger. ... | 06/27/2006 |
| 7055826 | Seal and bearing assembly A seal and bearing assembly for use in rotating machinery of the type having a rotor which turns within a stationary housing. The rotor and housing define a seal cavity therein in which the seal and bearing assembly is positioned. The assembly comprises a first bear... | 06/06/2006 |
| 7033215 | Sealing plug and a watertight connector provided therewith A rubber plug (10) is inserted into a cavity (21) of a connector housing (20) after an insulated wire (40) is inserted through a wire insertion hole (11) to provide a watertight seal between an inner wall of the cavity (24) ... | 04/25/2006 |
| 7017913 | Axial shaft seal An axial shaft seal disposed between a housing wall and a rotating shaft includes an outer ring insertable into the housing wall in a stationary and sealing manner and an inner ring connectable to the shaft in a non-twisting and sealing manner. The outer ring includ... | 03/28/2006 |
| 6811155 | Shaft seal device A primary technical goal of this shaft seal device is to decrease the number of seals by means of a pressure reducing floating ring, to integrate the whole unit and to simplify assembly of the device due to its simplified construction. The seal device disposes a fix... | 11/02/2004 |
| 6416057 | Brush seal A brush seal arrangement for sealing cooperation between a shaft and a surrounding member which is relatively rotatable with respect to the shaft. The brush seal includes an annular rotor disposed in surrounding relationship to the shaft and sealed with r... | 07/09/2002 |
| 6390478 | Sealing arrangement for a swivel A sealing arrangement for a swivel (1) comprising inner and outer mutually rotatable swivel members (2, 3), wherein the swivel members have respective inner fluid paths communicating with each other through one or more associated annular spaces (7) at the... | 05/21/2002 |
| 6315297 | Seal A seal assembly (10) for a pump provides sealing between a rotating shaft assembly (11, 12) and a fixed casing (13). The casing (13) has inner and outer stationary sealing faces (33, 34). A spacer (21) is rotationally locked to the sleeve (12), but the sl... | 11/13/2001 |
| 6244599 | Floating brush seal A seal assembly which cooperates between relatively rotatable members for creating a sealing relationship between areas of high and low pressures. The assembly includes a face seal arrangement nonrotatably associated with one of the relatively rotatable m... | 06/12/2001 |
| 5997004 | Hybrid floating brush seal A hybrid floating brush seal (10) generally includes a brush (30) that encircles a rotating shaft (12). The brush (30) includes a bristle portion (32) that is carried by a holder (34). A self acting film device such as a spiral groove seal (52) is dispose... | 12/07/1999 |
| 5791656 | Seal assembly for heat treatment furnaces using an atmospheric gas containing hydrogen gas A seal assembly is located at an entrance and/or an exit of a heat treatment furnace with a side plate for heat treating a continuously fed metallic strip. The furnace includes an elastic rotating roll which has a roll body and a roll shaft, and is engage... | 08/11/1998 |
| 5787791 | Turbocharger actuator with rolling O-ring An actuator for a turbocharger includes a housing having a chamber therein, a piston assembly having a rod and a piston secured to a rod for axial movement therewith, a spring operatively interposed between the piston and the housing for urging the piston... | 08/04/1998 |
| 5722667 | Seal assembly for use between planar surfaces having opposed grooves to receive and hold the seal assembly A seal assembly for use between a pair of abutting planar surfaces with opposed grooves which combine to form a seal groove to receive the seal assembly. The seal assembly includes a stiffly flexible body element having portions which surround, protect an... | 03/03/1998 |
| 5492339 | Rotary seal assembly A seal assembly for a vehicle wheel assembly is provided for use between its two relatively rotatable, coaxial parts to seal the inner bearing chamber. The seal assembly includes a pair of nested casings forming an S-shaped recess in cross section definin... | 02/20/1996 |
| 5435576 | Spring gasket A gas pressure differential sealing ring for forming a seal between a pair of annular surfaces which are rotatable with respect to one another about a common axis to be used, for example, in the compressor portion of a turbojet engine, is disclosed. The s... | 07/25/1995 |
| 5351972 | Inside/outside mounted double mechanical face seal The present invention consists of a shaft packing with an inner seal (4) and an outer seal (2) which are biased by means of springs (5) and an intermediate ring (1). The spring package and the major part of the shaft packing are positioned on the outside ... | 10/04/1994 |
| 5338004 | Valve seal apparatus A valve sealing apparatus including a valving member, a valve bonnet having a continuous bore that communicates with the valving member, a valve shaft housed within the bore of the bonnet, a primary sealing member positioned in the bore of the valve bonne... | 08/16/1994 |
| 5333956 | Trolley wheel assembly A trolley wheel assembly (10) securely sealed to prevent loss of lubricant therefrom and entrance of contaminants therein. The assembly (10) comprises an inner race (12) disposed about an axis of rotation (14) and an outer race (16) concentrically dispose... | 08/02/1994 |
| 5194153 | Apparatus for sealing a center valve vacuum filter A seal for a rotating center valve vacuum filter drum has a non-flat cross section with an elastomeric core and a chemical resistant sheathing. The seal is installed under tension so that, as wear occurs during operation, positive sealing contact is maint... | 03/16/1993 |
| 5160149 | Seal rotor mount A rotary seal is affixed to an adjacent rotating shaft through a thin foil axially clamped to the shaft. The relative configuration and arrangement assures that any distortional producing clamping forces resulting from manufacturing imperfections are not ... | 11/03/1992 |
| 5058905 | Seal The sliding face (22) of a gas lubricated slide ring seal has a slide ring (20) which is displaceable in the axial direction at a wall (4) to be sealed and lies against the sliding face (21) of a mating ring (10) which is fastened on an intermediate sleev... | 10/22/1991 |
| 5050843 | Plug valve with metal-to-metal sealing A plug valve with metal-to-metal annular sealing rings with a V shaped cross section to provide a resilient force for sealingly engage with respect to a horizontal sealing surface and a nearly vertical rotatable sealing surface and/or with a vertical seal... | 09/24/1991 |
| 4998740 | Face seal assembly An improved face seal assembly (10) is provided to prevent fluid leakage between assembled structural components (12), (14) or the like, such as housing components of a fluid control valve or the like. The face seal assembly (10) comprises a metal seal ri... | 03/12/1991 |
| 4895215 | Seal cage assembly for relatively movable members A rotatable seal cage assembly for positioning between relatively movable members including a ring with inner and outer circumferential edges, which edges are joined by two flat side surfaces extending therebetween. An annular projecting surface extends f... | 01/23/1990 |
| 4759554 | Mechanical face seals A mechanical face seal comprises a first seal face member associated in fixed relationship and sealed with respect to one component, a second seal face member associated in fixed rotational relationship and sealed with respect to a second component and a ... | 07/26/1988 |
| 4749199 | Seal assembly including a sealing ring having internal lubricant passageways A shaft seal assembly having an annular member affixed to the shaft for rotation therewith, a sleeve encompassing the shaft and being biased axially towards the annular member and a free floating sealing ring interposed between the annular member and the ... | 06/07/1988 |
| 4706969 | Floating ring device for sealing shaft of turbo machine A device for sealing the shaft of a turbo machine in which there are disposed a shaft sealing side plate attached to a casing, an atmospheric side floating ring and an in-machine side floating ring arranged in a seal case and associated with the shaft wit... | 11/17/1987 |
| 4660786 | Pivot bearing arrangement for the control surface of a missile A pivot or bearing arrangement for the pivotable control surface of a guidable missile, especially a projectile which can be fired through the intermediary of the gas pressure generated by a propellant charge. The pivot bearing includes a control surface ... | 04/28/1987 |
| 4654023 | Mechanical seal for casing of centrifugal separators The present invention relates to a centrifugal separator of the kind comprising a rotor (1), which is supported by a vertical driving shaft (2), a stationary casing (3), which surrounds the rotor (1) and has a bottom opening (5) through which the driving ... | 03/31/1987 |
| 4596054 | Pressure sealing bearing assembly for use in environmental control suits and environmental suits containing such bearing assemblies A bearing assembly for sealing the relatively rotatable adjoining portions of a pressurized environmental control suit for human use utilizes a pair of rotatable bearing members with an annular sealing member having a body portion and a lip portion extend... | 06/24/1986 |