Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8141911 | Pipe connection joint A pipe connection joint comprising a linear slant portion formed on a pipe joining hole of a flange and a pipe-expanded portion expandably formed on a pipe. The pipe-expanded portion is joined to the pipe joining hole, along the linear slant portion. A pipe connecti... | 03/27/2012 |
| 8025317 | Axially sealing system for connecting fluid-passed conduits A system for connecting fluid-passed conduits which can be integrated into a refrigerant circuit of a heating, ventilation and air condition system of a motor vehicle. The system includes two connection blocks, wherein the connection blocks are joined together by a ... | 09/27/2011 |
| 7926854 | Pipe joint block for fluid transfer A connection block employs a support block with two parallel through holes that pass through parallel first and second flat block surfaces. First and second insert pipes have elongate portions and flanges. The elongate portions press-fit into the connection block an... | 04/19/2011 |
| 7384073 | Disposable nonremovable tube fitting Embodiments of the present invention are directed to a nonremovable tube fitting or member for insertion into a container to access the interior of the container. In one embodiment, the fitting includes a hollow body having a proximal end and a distal end. The hollo... | 06/10/2008 |
| 7374210 | Hydro penetration prevention sleeve A hydro concrete to pipe sealing arrangement consisting of a main sealing sleeve having a first end and a second end, the main sealing sleeve consisting of two halves which interfit with each other to accommodate dimension variations during forming of a concrete cas... | 05/20/2008 |
| 7300075 | Sealing assembly Sealing assembly, for example forming part of a flowmeter. The sealing assembly comprises a first metal body with a mating surface in which a centering chamber with a flat bottom and an upright wall are provided, and a second metal body with a mating surface provide... | 11/27/2007 |
| 7237807 | Pipe connecting structure for a heat exchanger A pipe connecting structure for a heat exchanger includes a header tank having a connect opening; a connector block having a passage configured to connect a pipe thereto; an adapter configured to connect the header tank and connector block to each other, the adapter... | 07/03/2007 |
| 7198304 | Fluid line connector with intermediate smooth surface A fluid line connector includes a length of tubing having a plurality of corrugations formed therealong between opposing tubing ends. A non-corrugated section is disposed along the length of tubing between the opposing tubing ends such that a portion of the pluralit... | 04/03/2007 |
| 7195283 | Self-centering tubular connection A tubular connection for centering a tube within a female connecting block that has a throughbore with a chamfer, wherein a transition surface is defined between the chamfer and the throughbore. The tube has an upset bead, a tapered portion narrowing from the upset ... | 03/27/2007 |
| 7121589 | Tank fitting and method of use Tank fittings are provided. A tank fitting has a coupling. The coupling includes a flange disposed between a first end and a second end of the coupling. External threads are disposed between the flange and the first end. A gasket is disposed on the coupling between ... | 10/17/2006 |
| 7059638 | Self-fastening sewer tap A self-fastening tap for connecting a branch pipe to an aperture of a given diameter provided in a main pipe. The tap comprises a hollow cylindrical body having a first open end of a given diameter and a second open end opposed to the first open end. The cylindrical... | 06/13/2006 |
| 7052048 | Through flange A through-flange for attaching a pipe to the curved sidewall of a vessel. A flange portion of the through-flange is contoured to match the curvature of the sidewall and thus can be glued directly to the sidewall. A retaining ring also being contoured to match the si... | 05/30/2006 |
| 7032933 | Pipe connecting device A pipe connecting device designed for detachable, sealing assembly of two pipe ends which device consists of an outer part and an inner part inserted axially into the outer part and cooperating therewith for internal connection to the first pipe end. The cooperating... | 04/25/2006 |
| 7005582 | Cable closure A splice protection sleeve flange includes means for clamping a cable, a seal interposed between two rings, one of which can move along the cable, and a frustoconical threaded part which is screwed into the flange and acts both on the moveable ring and on the clampi... | 02/28/2006 |
| 6890005 | Self-centering tubular connection A tubular connection for centering a tube within a female connecting block that has a throughbore with a chamfer, wherein a transition surface is defined between the chamfer and the throughbore. The tube has an upset bead, a tapered portion narrowing from the upset ... | 05/10/2005 |
| 6883538 | Flow control valve coupling structure A flow control valve coupling structure that does not require complicated machining and facilitates the installation of a flow control valve. The coupling structure includes a fitting portion having a male thread that is formed on a peripheral surface of the flow co... | 04/26/2005 |
| 6807692 | Water lock tap A water lock tap comprises a pedestal, which is secured to an attachment object such as a washstand, a pipe attachment member for attaching a water supply pipe to the bottom of the pedestal, and a neck, which is secured to the pedestal; the pedestal comprises a mesh... | 10/26/2004 |
| 6766545 | Shower drain A shower drain having a tapered body and arcuate keepers circumferentially disposed around the body and capable of being drawn up the tapered body from a lower position to a higher position to engage the underside of a shower drain floor and hold the drain in place.... | 07/27/2004 |
| 6712094 | Connection structure for faucet water discharge tube and faucet body A connection structure for faucet water discharge tube and faucet body and particularly an improved connection structure to resolve the problems of connecting the water discharge tube by soldering that occur to modern faucets. The faucet body has a two-step opening ... | 03/30/2004 |
| 6467815 | Fitting for installation of a nipple from the exterior of a duct and method of installation A special fitting for installing a flanged nipple from the exterior of a duct. The threaded nipple has a handling stem formed integrally therewith, which is used to hold the nipple and flange inside the duct while a flexible cup seal washer is deformed an... | 10/22/2002 |
| 6434765 | Top mount plumbing fixture A plumbing fixture adapted to be installed from the top side of a sink deck through a sink deck opening includes a housing having a body portion which is adapted to extend through the sink deck opening and below the sink deck when mounted. The housing has... | 08/20/2002 |
| 6406068 | Connection fitting for fastening long bodies A connection fitting (1) for fastening long bodies (2), such as cables, hoses, or pipes to an opening (3), for example in a wall (4) of a housing, has at least one fastening projection (5) which is divided by slits (6) opening in the radial and axial dire... | 06/18/2002 |
| 6231088 | Heat exchanger header box connector and method of fixing same The invention concerns the field of heat exchanger header boxes, in particular in motor vehicle ventilation, heating and/or air conditioning installations. It is more particularly concerned with a connector adapted to be introduced into a header box. To p... | 05/15/2001 |
| 6224115 | Bulkhead fitting for underground sump An entry fitting having a cylindrical portion and a conical portion including a seal disposed about the body of the entry fitting. An axial displacement member urges the seal along the conical portion to achieve a relatively wide range of sealing force. T... | 05/01/2001 |
| 6145891 | Double booted flexible entry boot A double booted flexible entry boot provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. An inner seal member is disposed within the containment region, the inner seal member having a substant... | 11/14/2000 |
| 6089615 | Branch pipe connection The present invention relates to a branch pipe connection including a locking ring and a sleeve that are arranged against one another and can be tightened in their axial direction. The connection further includes a support flange. The locking ring is of s... | 07/18/2000 |
| 5957505 | Branch pipe connection The present invention relates to a branch pipe connection for connecting a branch pipe to a lightly constructed underground sewage and drainage pipe. The connection includes a locking ring and a sleeve that are arranged against one another and can be tigh... | 09/28/1999 |
| 5853201 | Coolant pipe connecting coupling A coolant pipe connecting coupling in which a coolant passage is bent perpendicularly around a connecting portion has a low height connecting coupling and can reduce manufacturing costs. The coolant pipe connecting coupling includes a fixing block fixed t... | 12/29/1998 |
| 5820167 | Quick-connect arrangement for high density hydraulic lines for anti-lock brake and/or traction control systems A quick-connect arrangement for retaining a plurality of hydraulic lines to counterbored openings in an anti-lock unit body for a hydraulically operated braked system that includes a seal in each of the counterbored openings, a chamfered end on each of th... | 10/13/1998 |
| 5810400 | Flexible entry boot An integrally formed flexible entry boot provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. The flexible entry boot comprises a seal member disposed within the containment region and a screw... | 09/22/1998 |
| 5725331 | Process for installating a tight crossing in the wall of a cell A tight crossing to ensure a high efficiency seal between the interior (1) and the exterior (2) of a high activity cell. The crossing comprises a sleeve (6) placed in the wall (3), a guide tube (11) placed within the sleeve (6) and a support flange (12) p... | 03/10/1998 |
| 5472241 | Interiorly installable exterior surface mount An exterior surface mount for mounting a member such as a vent or pipe on an inclined roof or a wall of a building in which the member extends through an opening in the wall or roof. The mounting is disposable on the exterior of the wall or roof wholly fr... | 12/05/1995 |
| 5466015 | Apparatus and method for mounting items at an inaccessible wall surfaces A through-wall sleeve assembly includes an elongate sleeve having an axial passage, open ends and a radially constrictible frustoconical flange at one of the ends. The sleeve is inserted through a bore in a wall, with the flange at the leading end of the ... | 11/14/1995 |
| 5328212 | Interiorly installable roof mount A roof mount for supporting a vertically disposed tubular member on an inclined roof of a building in which the tubular member extends through an opening in the roof. The mounting is disposable on the exterior of the roof wholly from within the building. ... | 07/12/1994 |
| 5190408 | Method of laying underground cables Underground cables are laid in a concrete box which is to be buried in the ground. According to the present invention, an adapter is formed with a hole, and a bushing is mounted on the adapter through the hole. Subsequently, a cable duct is fitted into th... | 03/02/1993 |
| 5174612 | Vibration isolating sealing clamp for conduit structures A vibration isolating clamp apparatus for maintaining an end of a tube in sealing abutment with a surface, in substantial alignment with an aperture disposed in the surface, suitable for use in extreme temperature environments, wherein the tube has an out... | 12/29/1992 |
| 4654942 | Method of making a branched hose construction A method of making a branched hose construction is provided and comprises the steps of providing a first tubular member having opposed ends, providing a second tubular member having opposed ends, forming the first tubular member to have an opening therein... | 04/07/1987 |
| 4637638 | Branched hose construction, joint construction and part therefor, and methods of making the same A branched hose construction, a joint construction, a part for the joint construction and methods of making the same are provided, the branched hose construction comprising a first tubular member having an opening therein intermediate the opposed ends the... | 01/20/1987 |
| 4623171 | No-mortar flashing method and apparatus A vent pipe extension and flashing apparatus for extending a vent pipe into a chimney including a generally vertical wall having an interior surface, an exterior surface, and an opening through the wall. The apparatus comprises a threaded sheet metal pipe... | 11/18/1986 |
| 4613169 | Spa fitting sealing system A system for sealing a pool or spa fitting includes a wall having a frustoconical hole therethrough, the hole expanding towards the outer side of the wall. A conduit or inlet fitting is disposed in the hole and has an integrally formed enlarged end portio... | 09/23/1986 |
