Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
PatentStorm News
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 |
| 7219878 | Live loaded packing for valve In accordance with the present invention, there is provided a lie loaded packing assembly for a valve which comprises a valve body defining a passage having a valve stem moveably disposed therein and selectively moveable between open and closed positions. Extending ... | 05/22/2007 |
| 7100753 | Torque converter clutch apply valve A replacement torque converter clutch (TCC) apply valve for regulating the application of the torque converter clutch within an automatic transmission. The present TCC apply valve includes a valve piston having an expandable seal located at the primary wear location... | 09/05/2006 |
| 6622987 | Liveload assembly for valve A valve stem sealed by a packing. A spigot applies an axial compression loading to the packing via a sleeve when bolts are tightened. A clamp attaches two parts of the valve body to each other with the bolts extending between the spigot and the clamp. The... | 09/23/2003 |
| 6588729 | Packing box arrangement for a gate valve A packing system for a gate valve is disclosed which includes a sealing member structured to be positioned between a compression member and packing material housed in a cavity formed in the upper edge of a valve housing to provide even and consistent pres... | 07/08/2003 |
| 6523834 | Solid sealant with environmentally preferable corrosion resistance The faying surface of one or of both of a pair of substrates is provided with a layer of solid polyurethane sealant which is adherent to at least one of the respective surfaces. The substrates are additionally fastened together so that the faying surfaces... | 02/25/2003 |
| 6499745 | Solid sealant with environmentally preferable corrosion resistance The faying surface of one or of both of a pair of substrates is provided with a layer of solid polyurethane sealant which is adherent to at least one of the respective surfaces. The substrates are additionally fastened together so that the faying surfaces... | 12/31/2002 |
| 6382633 | Shaft seal device using gland packing A shaft seal apparatus that exhibits a good and reliable sealing performance, even when a rotating shaft undergoes axial vibration, eccentric revolution, or the like. This shaft seal apparatus has gland packings (2) stuffed in a sealed space (10) formed b... | 05/07/2002 |
| 6354597 | Sealed rotating connection device allowing great motions A rotating connection device forming a seal between an inner element (1) and an outer element (14) of larger diameter than the inner element, these two elements being co-axial, cylindrically symmetric and rotating in relation to one another. It comprises ... | 03/12/2002 |
| 6315300 | Solid sealant with environmentally preferable corrosion resistance The faying surface of one or of both of a pair of substrates is provided with a layer of solid polyurethane sealant which is adherent to at least one of the respective surfaces. The substrates are additionally fastened together so that the faying surfaces... | 11/13/2001 |
| 6120006 | Valve device A valve device includes a valve stem 2 vertically movably inserted in a packing box 1a; a gland packing 6 interposed between the packing box 1a and the valve stem 2; a packing follower 15 disposed on the gland packing 6; and one or more arched plate sprin... | 09/19/2000 |
| 5906354 | Ball valve for lethal gas or fluid service An improved ball valve for lethal gas or fluid service is disclosed having a novel triple redundant stem to bonnet seal design. A ceramic seal ring forms the primary stem to bonnet seal. The ceramic seal ring has a first seal surface lapped for sealing en... | 05/25/1999 |
| 5549305 | Sootblower packing gland A sootblower includes a supply tube for delivering fluid to a concentrically mounted lance tube. The lance tube reciprocates into and out of a boiler delivering fluid to clean the inside surface. Deformable packing between the inside surface of the lance ... | 08/27/1996 |
| 5460351 | Valve stem locking assembly The invention provides a valve stem locking assembly for releasably locking a threaded fastener relative to a valve stem of a quarter-turn valve such as a ball valve. The assembly includes a handle defining an opening shaped to engage a corresponding shap... | 10/24/1995 |
| 5456447 | Valve assembly A valve comprises a valve stem 2 surrounded in part by a packing material 3, and compression means arranged to bring the packing material into sealing engagement with the valve stem. The compression means includes a spring assembly comprising resilient sp... | 10/10/1995 |
| 5333883 | Stuffing box seal The invention relates to a stuffing box seal to provide a sealing action between a stationary wall of a housing or the like and a shaft. In accordance with the invention the shaft is provided with a collar, or with a ring or ring flange, which is sealingl... | 08/02/1994 |
| 5326074 | Enhanced sealing arrangement for a rotary valve shaft A valve has an actuating shaft packing assembly for located in a valve enclosure cover for preventing leakage of process fluid into the space between the actuating shaft and the cylindrical sidewall of a bore in the cover. The assembly includes an annular... | 07/05/1994 |
| 5316319 | Liveload assembly for maintaining torque on bolts A liveload assembly having a stack guide with a thread on the exterior side wall, a plurality of compressible belleville washers stacked inside the stack guide, and a retainer cap having a thread on an inner side wall for matingly engaging with the stack ... | 05/31/1994 |
| 5195756 | Live-load device A live-load device for applying a compressive force to packing or gasket material in a valve or pipe conduit junction. The device incorporates spring-washers having resilient blades for imparting a spring force. The spring force is transmitted from each b... | 03/23/1993 |
| 5192049 | Dual rated live loaded packing system for a valve stem A dual rated live loaded packing system for a valve stem includes at least one thrust load assembly extending between opposing facing elements on a valve body and a packing gland, respectively, for exerting a live load through a gland onto a packing ring ... | 03/09/1993 |
| 5171022 | Shaft seal of a mixing and kneading machine A sealing arrangement is provided between the shaft of a mixing tool and the wall of a housing of a mixing and kneading machine, the sealing arrangement having a housing liner and a gland member which can be axially displaced against a support ring arrang... | 12/15/1992 |
| 5131666 | Zero clearance anti-extrusion rings for containment of PTFE packing A packing containment assembly for sealing an operating member such as a shaft or stem in a fluid control valve, particularly where PTFE packing is used. A pair of zero clearance anti-extrusion rings of PEEK material are mounted in the shaft with the PTFE... | 07/21/1992 |
| 5024453 | Liveload assembly for rotary or reciprocating shaft packing A liveload assembly including an stack guide, compressed belleville washers stacked inside the stack guide and a retainer to hold the compressed washers in the stack guide. A longitudinal slot in the wall of the stack guide permits visual checking of the ... | 06/18/1991 |
| 4867197 | High pressure valve An arrangement for providing access to the seal rings of a seatless high pressure valve includes an aperture in the valve body and a demountable sealed closure for the aperture. The sleeve within the valve body for transmitting the gland force to the seal... | 09/19/1989 |
| 4827967 | Plug valve A plug valve and a sealing assembly for a plug valve. A plug valve having a plug closure member for sealing off the open end of a conduit and thereby preventing flow of a first fluid through the conduit, the plug closure member connected to a hollow stem ... | 05/09/1989 |
| 4795171 | Self-pressurized shaft or closure seal A pressurized fluid housing (4) has an opening (6) for receiving a movable shaft or stem (2). A hold down plate or bonnet (8) covers the opening and has an aperture (14) through which the shaft enters the housing. The hold down plate further includes a ri... | 01/03/1989 |
| 4765631 | Stuffing box sealing arrangement A stuffing box sealing arrangement for sealing a rotary shaft which extends into a pressure space includes two separate consecutive pressure chambers arranged at axially spaced locations along the shaft and an intervening space sealed with respect to the ... | 08/23/1988 |
| 4582329 | Sealing bearing arrangement with convex bushing ring A self-aligning bearing arrangement has a compressible packing (20) for forming a gas-tight seal between the outer housing (2) and a rotatable shaft (10). A bushing ring (22) supports the shaft (10) and accommodates any misalignment thereof by having an i... | 04/15/1986 |
| 4538790 | Valve stem packing assembly A valve body has a stem passage rotatably receiving a valve stem. A packing surrounds the stem in the passage and a packing nut threaded on the stem applies axial force to radially expand the packing into sealing engagement with the stem and passage wall.... | 09/03/1985 |
| 4351512 | Valve with yoke and captive gland wrench A clamp yoke valve has a yoke member engaged with the valve body about its bonnet opening, a bonnet sealing the bonnet opening and including a packing cartridge chamber opening outwardly of the valve body and disposed about the valve stem and a packing gl... | 09/28/1982 |
| 4345766 | Apparatus for sealing an oil well pump polished rod An apparatus having a tubular housing adapted for securing to a wellhead of an oil well for sealing a reciprocating oil well pump polished rod extending through the tubular housing. The housing is formed in two operating tubular portions that are connecte... | 08/24/1982 |
