Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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 |
| 7597328 | Seal assembly for reciprocating shaft A seal assembly for a reciprocating shaft includes a body having a bore and a shaft adapted to move reciprocally within the body between an extended position extending from the body and a retracted position retracted within the body. The shaft has a first seal trave... | 10/06/2009 |
| 7392862 | Seal insert ring for roller cone bits An earth boring bit has a bit body with a depending bearing pin. An insert ring is mounted on the bearing pin. The insert ring has an inner diameter greater than an outer diameter of the bearing pin, defining a clearance between the insert ring and the bearing pin t... | 07/01/2008 |
| 7364167 | Injector The invention relates to an injector for a common rail injection system of an internal combustion engine, having an injector housing, a valve element disposed in the injector housing, a sealing ring acting as a seal between a high-pressure region and a low-pressure ... | 04/29/2008 |
| 7363981 | Seal stack for sliding sleeve A method and apparatus for sealing a tool for use in a wellbore is provided. The seal is configured to be disposed in a tool comprising a ported sliding sleeve and a ported housing. The tool may be actuable between a closed and an open position. The seal is configur... | 04/29/2008 |
| 7357188 | Mono-diameter wellbore casing A mono-diameter wellbore casing is formed by radially expanding a first tubular liner off of a mandrel into contact with a second tubular liner. The first and second tubular liners are positioned within the wellbore in an overlapping relationship. The overlapping po... | 04/15/2008 |
| 7347290 | Multi-part energizer for mechanical seal assembly An energizer for a mechanical seal assembly for use in a drill bit is disclosed. The energizer is a composite of at least two resilient materials, one having a durometer hardness that is greater than the other. The material contacting a journal provides relatively h... | 03/25/2008 |
| 7341258 | Cammed seal assembly with sealing ring having an angled leg portion and foot portion with elastomeric energizer element A seal assembly seals first and second operational surfaces spaced apart by a gap. The first surface includes a seal groove having a base surface and first and second side surfaces. A sealing element in the seal groove has a foot portion extending parallel to the ba... | 03/11/2008 |
| 7231983 | Split locking ring for wellhead components The present invention is directed to a split locking ring for wellhead components. In one illustrative embodiment, the device comprises a first internally threaded wellhead component, a second wellhead component, at least a portion of which is positioned within an o... | 06/19/2007 |
| 7229077 | Ordered elastomeric composite material Ordered elastomeric composites comprise an ordered arrangement of a number of first elastomeric phases distributed uniformly within a continuous matrix second elastomeric phase. The second phase can be formed from an elastomeric material that is relatively harder th... | 06/12/2007 |
| 7228896 | Ribbed sealing element and method of use A device for sealing and anchoring within a tubular member. The device comprises a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about the top swa... | 06/12/2007 |
| 7201379 | Seal assembly, cartridge, and method A seal assembly and cartridge for sealing a space between a rotating member and a stationary member in which a sleeve extends around the rotating member and with the inner surface of the sleeve being spaced from the outer surface of the rotating member to form a gap... | 04/10/2007 |
| 7188691 | Metal seal with impact-absorbing ring Disclosed is a seal assembly for dynamically sealing between rotatable members, such as employed to seal the rolling cone of a rock bit. One preferred assembly includes an energizer, first and second seal rings, and a cushioning ring having an L-shaped cross-section... | 03/13/2007 |
| 7168147 | Method for manufacturing a drilling tool with an elastomer seal having graded properties A method of forming a seal for a subterranean drilling tool employs irradiation. The seal is formed of a single homogeneous elastomeric material. The seal has an exterior surface with at least one portion that is in sliding engagement with part of a seal gland of th... | 01/30/2007 |
| 7150315 | Downhole fluid disposal apparatus and methods A seal cartridge and barrel manifold seal are provided for use in a subterranean well and in a method to inject fluid, that is initially produced into the well from a subterranean formation or zone, into another subterranean formation or zone. The seal cartridge has... | 12/19/2006 |
| 7117946 | In-situ evaporation The invention relates to methods for the exploitation of desirable geo-productive resources (for example, superheated steam, crude oil, fissuring) from boreholes with an at least partly cemented casing (4), whereby a pressure drop is generated from the rock c... | 10/10/2006 |
| 7117961 | Dynamic seal with soft interface A device and method for dynamically sealing between rotatable members such as a rolling cone of a rock bit. The assembly includes a seal ring having a facing surface of a relatively hard material, such as hardened steel or tungsten carbide, and a second seal ring of... | 10/10/2006 |
| 7096949 | Wiper plug with packer A self-retaining cementing wiper plug with a packer element has two or more steel or carbide tipped holddown fingers or slips extending radially outward from the plug for engaging the inner surface of the casing and preventing the plug from moving uphole over time a... | 08/29/2006 |
| 7055829 | Antiextrusion device An elastomeric seal having an antiextrusion device molded integrally into or onto the low pressure side of the seal. The antiextrusion of a corrugated strip into an elastomeric seal. One embodiment of the invention has the strip positioned with the midplane of its c... | 06/06/2006 |
| 7007913 | Rotating blowout preventer with independent cooling circuits and thrust bearing A rotary blowout preventer has a first and a second fluid circuit. Each of the fluid circuits are defined into and out of a stationary body and between the stationary body, a rotating body, and two seals. The first fluid circuit is physically independent from the se... | 03/07/2006 |
| 7004444 | Rotating blowout preventer with independent cooling circuits and thrust bearing A rotary blowout preventer has a first and a second fluid circuit. Each of the fluid circuits are defined into and out of a stationary body and between the stationary body, a rotating body, and two seals. The first fluid circuit is physically independent from the se... | 02/28/2006 |
| 7000712 | Bearing seal A seal assembly for a shaft supporting a rotary element comprises a sealing ring having an inner radial surface in contact with a seal surface of the shaft. The sealing ring comprising a disc shaped integral radial lip normal to the inner radial surface. A disc shap... | 02/21/2006 |
| 6962348 | Sealing apparatus having a single groove A sealing apparatus includes a sealing arrangement and a groove in a base. The sealing arrangement may comprise an o-ring and a grounding gasket where both the o-ring and the grounding gasket partially protrude in a longitudinal direction from the groove. Thus, the ... | 11/08/2005 |
| 6851935 | Above the motor bellows expansion member for a submersible pump A multi-diameter bellows is provided in a seal section of a submersible pump to assist in allowing expansion of dielectric oil within the submersible pump, to equalize the casing annulus pressure with the internal dielectric motor fluid and to isolate the well fluid... | 02/08/2005 |
| 6695079 | Dual-seal drill bit pressure communication system A drill bit for use in a borehole at least partially containing drilling fluid includes a bit body having at least two bit components, including at least one leg, the leg having a journal segment, and a roller cone rotatably mounted upon the journal segme... | 02/24/2004 |
| 6679342 | Dual-seal drill bit pressure communication system A drill bit for use in a borehole at least partially containing drilling fluid includes a bit body having at least two bit components, including at least one leg, the leg having a journal segment, and a roller cone rotatably mounted upon the journal segme... | 01/20/2004 |
| 6598690 | Dual dynamic rotary seal The invention is a roller cone drill bit including a seal adapted to seal between the bit body and a roller cone on the drill bit. The seal includes a seal body formed from a material that is adapted to energize the seal after compression of the seal. A f... | 07/29/2003 |
| 6554287 | Collapsing type seal for expandable tubular connections A seal for a radially expansible conduit connection is disclosed. The seal includes a first sealing surface disposed proximal to an end of a male portion of the connection and a corresponding second sealing surface disposed proximal to an end of a female ... | 04/29/2003 |
| 6478303 | Sealing ring packing A sealing ring packing (1) includes a cooled packing casing (4) that can be placed inside a stuffing box borehole (3), and holds at least one essentially annular slide ring (5) pressed against the moved component (2) to be sealed, whose outside periphery ... | 11/12/2002 |
| 6443458 | Packer A packer comprises an elastomeric member (2) which, in use, will deform radially when subjected to axial pressure. A plurality of steel fingers (3, 4) are vulcanized onto the elastomeric member (2). One end of each steel finger (3, 4) is accomodated in a ... | 09/03/2002 |
| 6431293 | Dual-seal drill bit pressure communication system A drill bit for use in a borehole at least partially containing drilling fluid includes a bit body having at least two bit components, including at least one leg, the leg having a journal segment, and a roller cone rotatably mounted upon the journal segme... | 08/13/2002 |
| 6409176 | Wellhead housing seal assembly with backup feature A tubular connection, an example of which is a subsea wellhead having a primary and secondary seal areas allows the use of a backup or contingency gasket for engagement with the secondary seal area in the wellhead should a failure occur in the primary sea... | 06/25/2002 |
| 6406030 | O-ring seal with lubricant additives for rock bit bearings O-ring seals for rock bit bearings comprise a body formed from an elastomeric material having one or more lubricant additive uniformly distributed throughout to reduce the coefficient of friction and stick slick amplitude at O-ring seal surfaces. The lubr... | 06/18/2002 |
| 6406028 | Seal stack A seal stack includes one or more first seals that are adapted to seal in at least a first range of temperatures. The seal stack also includes a second seal that is adjacent to at least one of the first seals. The second seal is adapted to seal in at leas... | 06/18/2002 |
| 6390202 | Setting an annular seal A device is disclosed for setting an annular seal in an annular space formed between a large diameter tubular and a small diameter tubular extending into the large diameter tubular. The device comprises a carrier block suitable to be located at a position... | 05/21/2002 |
| 6386545 | Fluid plug A plug is provided for sealing a port of a downhole tool or other device. In one aspect, the plug includes a disk that has an upper surface, a lower surface and an annular groove in the lower surface. The annular groove has an inner wall and a outer wall.... | 05/14/2002 |
| 6361388 | Marine motor drive assembly A roller bearing drive assembly for a marine mud motor with an elongated drive tube containing a lubricant, the drive assembly configured for rotatably receiving a drive shaft including a propeller on the end. The drive assembly comprises a drive assembly... | 03/26/2002 |
| 6302405 | Anti-extrusion seal A seal assembly formed of a T-seal, a pair of back-up rings abutting each side of the T-seal, and a bearing abutting the side of each of the back-up rings. The T-seal is formed of a elastomer material, the back-up ring is formed of a PTFE (polytetraflouro... | 10/16/2001 |
| 6302750 | Marine motor drive assembly A roller bearing drive assembly for a marine mud motor with an elongated drive tube containing a lubricant and for rotatably receiving a drive shaft including a propeller on the end. The drive assembly comprises a drive assembly housing having an upper en... | 10/16/2001 |
| 6276690 | Ribbed sealing element and method of use A device for sealing and anchoring within a tubular member. The device includes a top swage member disposed within the tubular member, with the top swage member having a longitudinal center of axis. Also included is a first sealing member disposed about t... | 08/21/2001 |
| 6250638 | Taper joint well sealing packer and method A downhole packer in a well removably seals an annular space between an inner tube and an outer tube or well casing in a well bore. The packer provides a metal to metal tapered seal between a female sealing element having a tapered inner sealing surface a... | 06/26/2001 |
