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| Number | Title | Issue Date |
| 6621315 | Delay locked loop circuit and method having adjustable locking resolution A delay line receives an input clock signal and includes a cascaded plurality of unit delay circuits. A mode register set stores a value indicative of a column-address-strobe (CAS) latency of the memory device, and an adjustment circuit varies a delay tim... | 09/16/2003 |
| 4928997 | Rotating union with carbon graphite labyrinthine seal A multiple passage rotating union includes a housing assembly having a housing with an elongated cylindrical sleeve bearing of carbon graphite located in the axial bore of the housing and heat shrunk to the inner surface of the housing bore, the sleeve be... | 05/29/1990 |
| 4927189 | Internal expansion coupling device This invention relates to an internal expansion coupling, having particular utility in joining together two tubular members or pipes aligned in end-to-end relationship. The device hereof comprises (a) an elongated open ended tubular joint member formed of a re... | 05/22/1990 |
| 4927182 | Pipeline repair clamp A clamp for repair of a leak in a pipeline or other structure having a flanged joint. The clamp comprises arcuate clamp sections, typically two semi-circular sections, which are assembled end to end to form a clamp ring about the flanges at the site of th... | 05/22/1990 |
| 4927192 | Pipe connector load element A pipe connector load element interconnects a pipe element and a connector retention member. The load element is mounted in an annular groove on the outer circumference of the pipe element and in a groove adjacent to an internal bore in the retention memb... | 05/22/1990 |
| 4925216 | Method and apparatus for attaching a catheter to a bag such as a wound drainage bag Apparatus for attaching a catheter to a bag includes a pair of coupling rings for trapping a part of the bag wall between them. A cutter having a blade of circular or closed loop form makes a cut in the trapped wall and an elastomeric member for gripping ... | 05/15/1990 |
| 4924569 | Method of repairing a leaking cooling coil-to-expansion valve coupling using a clamp-on nut A method of repairing a leaking coupling between an air conditioning cooling coil and its associated expansion valve using a split clamp-on coupling nut. The nut consists of two mirror-image halves, the two halves being joined together by a pair of screws... | 05/15/1990 |
| 4923220 | Tube couplings The disclosures relates to a tube coupling (10) for a tube (11) having a body (12) with open ended throughway (13) to receive the tube and a collet (21) in the open end of the throughway having resilient arms (23) engaging a tapered cam surface (20) in th... | 05/08/1990 |
| 4923221 | Safety connection into passages in a tubular body A safety connection for connecting a plug into a tubular member, the tubular member having an internal sealing surface, an internal recess positioned outward from said internal sealing surface, said recess ending in inwardly extending lip with a plurality... | 05/08/1990 |
| 4923349 | Threaded split coupling nut The threaded split coupling nut system includes a threaded split coupling nut and coupling clamps. The threaded split-slip nut coupling has conventional nut shape but is split. The gripping nodules on the body are positioned parallel to the rotational cen... | 05/08/1990 |
| 4923227 | Corrugated plastic pipe connector A liquid tight container for affixing, in a liquid tight manner, to a conduit having a ridge located adjacent to its end, wherein the conduit extends into a bore (5) and abuts against a sealing surface (6) and is held in liquid tight engagement therewith.... | 05/08/1990 |
| 4919453 | Low profile V-coupling A device for coupling the peripheral flanges of a pair of pipes comprising a pair of retaining members, each having a V-shaped groove for receiving a portion of the peripheral flanges of the pipes. The retaining members are pivotally coupled at one of the... | 04/24/1990 |
| 4919458 | Device for sealingly mounting tubes which pass through a wall A tube extends through a wall of a vessel and is adapted to carry an ultraviolet emitter for use with a photochemical reaction vessel. An end of the tube disposed outside of the vessel is mounted within a support which forms a ball joint for that end of t... | 04/24/1990 |
| 4919456 | Union for pipe or tree with metal and resilient seals Disclosed is a pipe union having a reliable metal ring seal and a resilient seal. The resilient seal is on the pin portion of the union, which has an internal seal surface. The box portion of the union has a bore to sealingly receive the resilient seal an... | 04/24/1990 |
| 4917407 | Plastic part provided with a metal threaded element A plastic housing cover for a valve having an integral connector nozzle part provided with a metal threaded nipple element is proposed, in which it is assured that the threaded element, inserted in a sealing manner into the plastic, cannot destroy the tig... | 04/17/1990 |
| 4917408 | Adjustable ball fitting for fluid lines A pipe fitting for interconnecting two sections of pipe and comprising an interior male portion having a band of flexible material bonded to the outer surface, a female portion, and end of which is positioned over and slidably engaged over the elasomeric ... | 04/17/1990 |
| 4915424 | Branch for other containment shroud A branch shroud for containment conduitry in which shroud halves are brought together with seals at their abutting edges. The abutting edges have interleaved retention devices that receive pins to hold, and perhaps to force, the edges toward each other.... | 04/10/1990 |
| 4915425 | Pipe connecting element A pipe connecting element serves to connect pipes, which consist essentially of a continuous inner pipe and connected with it, extending radially outwards, projections, which serve to stiffen the pipe. To make such a pipe connecting element suitable to th... | 04/10/1990 |
| 4915422 | Pipe coupling A joint to be used with a coupling tool for coupling first and second axially aligned hubless pipe end sections. The joint includes an outer sleeve and an inner liner disposed within the outer sleeve. A pair of diametrically opposed cylindrically shaped l... | 04/10/1990 |
| 4915421 | Quick connector assembly A connector for connecting the confronting ends of tubing sections. The connector includes a connector body having an opening therein which extends therethrough along a longitudinal axis of the housing. The housing includes as first end for connection to ... | 04/10/1990 |
| 4915426 | Pipe coupling for well casing A pipe coupling for a stainless steel well casing includes a square threaded male member which is received within a square threaded female member so that the coupling is initially loose. A TEFLON seal is provided to retain the fluid being pumped within th... | 04/10/1990 |
| 4913468 | Tube union reinforcing clip A clip (60) is provided for holding a union (50) joining two tubes (34, 36) together. Clip (60) has a pair of spaced-apart plate members (4,6) integrally joined at one end (10) for receiving union (50) therebetween with plate members (4,6) having respecti... | 04/03/1990 |
| 4913471 | Swivel joint A swivel joint having a connection means rotatable within another connection means held together by a lock means.... | 04/03/1990 |
| 4913465 | Coupled pipe assembly A coupled pipe assembly having a pair of opposed, axially positioned pipes each having opposed beveled ends and interior corrosion-resistant linings. A sleeve having heat-insulating material is inserted axially within the pipes with the heat-insulating ma... | 04/03/1990 |
| 4913469 | Wellhead slip and seal assembly An improved wellhead slip and seal assembly including a slip assembly with slips supported within a slip bowl and a seal assembly positioned above the slip assembly and interconnected thereto for supporting the slip assembly, the seal assembly including t... | 04/03/1990 |
| 4911481 | High pressure press-in fitting A high-pressure press-in fitting for a high-pressure hose connection with a quick connect screwed joint at the outside of a high-pressure purifying installation, characterized in that the press-in fitting of the quick-connect coupling, receiving the end o... | 03/27/1990 |
| 4909544 | Apparatus for the transfer of granular, pulverulent or liquid materials Apparatus for the transfer of material from one container to another container. The one container is placed in an attachment having a 45° coupling joined by a straight bend to a fixed part with a 45° second coupling. A motor rotates bend relative to the... | 03/20/1990 |
| 4909545 | Coupling A coupling for joining two hoses, or the like, together is disclosed having a generally cylindrical male member adapted for connection to a hose on one end and on the other end having one or more pins extending radially outward from the surface thereof an... | 03/20/1990 |
| 4906027 | Insulating joint for metal pipelines An insulating joint for pipelines comprises two metal tubular parts each having a dilated end portion, the dilated portion of one of the tubular parts being located within the dilated portion of the other tubular part and the dilated portions extending su... | 03/06/1990 |
| 4906028 | Hose connection assembly A hose fitting for connecting a hydraulic hose to a hydraulic system including an axially inner reduced diameter bore portion and an axially outer enlarged diameter bore portion formed with an inner circumferential groove, comprising: a cylindrical member... | 03/06/1990 |
| 4903992 | Locking ring for oil well tool A connection assembly secured a running tool into a tubular casing hanger. The connection assembly includes a frusto-conical threaded section on a running tool and a nose section of cylindrical shape located below the threaded section. The casing hanger h... | 02/27/1990 |
| 4903996 | Fastener system for pipe coupling bands A coupling band for forming a pipe joint between adjacent ends of a pair of respective pipe lengths has an elongate fastener tongue at one end which is fed through a corresponding receiver at the other end of the band. The tongue and the receiver are prov... | 02/27/1990 |
| 4903999 | Clamp for securing a flexible hose to a water pipe for poultry, small animals and like watering systems A clamp for securing a flexible watering tube to a water pipe associated with a watering system for poultry and/or small animals, the clamp including a generally U-shaped saddle which embraces the exterior of a water pipe, a tubular stem projecting in a d... | 02/27/1990 |
| 4903993 | Tieback connector with two point interference fit A tieback connector for connecting a conductor to a subsea wellhead mandrel utilizes two points of interference fit. The tieback connector has a tubular body from which depends a downward opening funnel. The mandrel has an upper bearing surface and a lowe... | 02/27/1990 |
| 4903998 | Branched hose construction A branched hose construction contains a rigid insert having at least three legs. There is a plurality of hoses, the number of hoses being equal to the number of legs of the insert. Each hose has one end fitted over a leg of the insert. A securing means se... | 02/27/1990 |
| 4900072 | Fiber-reinforced pipe flange A technique for forming a pipe flange having radial reinforcement in at least the annular portion of the bolt circle uses a specially woven band of fibers. The woof fibers in the band are longer than the width of the warp fibers so that as the band is wou... | 02/13/1990 |
| 4900070 | Conduit coupling device with redundancy features A coupling assembly for connecting adjacent ends of conduits, primarily used for aircraft fuel lines having redundant locking features is provided. This coupling can be manipulated with one hand and includes laterally spaced locking tines which engage rai... | 02/13/1990 |
| 4900065 | Quick-connect fluid coupling A quick-connect fluid coupling for fluid conduits includes first and second identical inter-fitting bodies (10, 10'). Each of said bodies includes barrel portions (14) and sleeve portions (16). The sleeve portions include barrel accepting recesses (34). E... | 02/13/1990 |
| 4896902 | Segmented transition coupling Coupling segments of a segmented pipe coupling have dissimilar ends that are interfittable with ends of an identical said coupling segment in only one specific orientation of said coupling segments, and which are antagonistic to the interfitting of said e... | 01/30/1990 |
| 4895394 | Method and system maintaining tightness between parts rotating in relation to one another A system for maintaining a tightness between two parts rotatable relative to each other. The system includes at least two sealing units, with each of the sealing units having at least two possible states or conditions, namely, a first state or condition f... | 01/23/1990 |
