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...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 |
| 7938453 | Stabilized connector Tap mounting assemblies for reducing loads on the threaded end portions of a tap. Some exemplary embodiments employ a spring such as Belleville washers to bias apart the tap and a mounting plate, and some embodiments provide visual indication of proper tightening. S... | 05/10/2011 |
| 7938452 | Connecting structure between fluid device and joint A fluid device and a fitting are connected so that fluid supply/discharge passage in the fluid device, and a fluid passage in the fitting are in communication with each other. A functional component, which allows a fluid flowing between the fluid device and the fitt... | 05/10/2011 |
| 7562907 | Stabilized tap mounting assembly A method and apparatus are directed to reduce the load from the threads on taps on an orifice plate or orifice fitting. The apparatus includes a tap (3) having an NPT threaded end (1) and a flanged end (12) and an intermediate flange (13)... | 07/21/2009 |
| 7458614 | Thread supporting stabilizer assembly A pressure tap assembly for connection between a pipeline flange and a manifold and/or transmitter in which can transmit the load from a threaded end of the tap to the body of the tap. In one embodiment the tap is provided with a tap body having an integral stabiliz... | 12/02/2008 |
| 7419189 | Hydraulic fitting A high pressure hydraulic fitting (300) includes a body (302) having a central passage (322), a channel (304), a threaded section (314), and an extension section (310), wherein the threaded section (314) is disposed b... | 09/02/2008 |
| 7370477 | Device for fastening a fluid duct to a turbojet casing A device for fastening a fluid duct such as a fuel duct in an orifice of a turbojet casing, the device comprising a ring screwed into the orifice of the casing and having an annular rim coming to bear against a washer at the end of the duct, and a nut screwed onto t... | 05/13/2008 |
| 7011149 | Heat exchanger A heat exchanger includes a header pipe, an inlet manifold, an outlet manifold, and coupling members. The header pipe includes a fluid circulation hole inside. The inlet manifold supplies a fluid to the fluid circulation hole of the header pipe. The outlet manifold ... | 03/14/2006 |
| 6957831 | Nipple for hot water tank conduits A nipple for connection to an outer metal casing of a host water heater for coupling a water conduit to an inner casing of the hot water heater is described. The nipple is a hollow tube having opposed threaded end portions. A thermally insulating sleeve is provided ... | 10/25/2005 |
| 6945566 | High-pressure connection device A high-pressure connection device with a housing having a receiving opening into which an inlet conduit discharges. A pressure tube connector stub discharges on one end into an end face of the connector stub and has a male thread, which engages a female thread in th... | 09/20/2005 |
| 6935377 | High-pressure fuel injection pipe having connecting head A high-pressure fuel injection pipe has a connecting head with an outer circumference formed for a mating seat portion. A shallow annular groove is formed in the inner side of the connecting head while shaping the head. A connecting washer is fit on the outer circum... | 08/30/2005 |
| 6871881 | Stabilized tap mounting assembly A method and apparatus are directed to reduce the load from the threads on taps on an orifice plate or orifice fitting. The apparatus includes a tap (3) having an NPT threaded end (1) and a flanged end (12) and an intermediate flange (13)... | 03/29/2005 |
| 6871880 | Irrigation adaptor Apparatus and methods include an adaptor to establish a flow path through the side of a first piece of tubing (rather than the end of the tubing) into a second piece of tubing or other device. The adaptor includes a threaded head slightly larger than the hole in the... | 03/29/2005 |
| 6623045 | Fastening device for fitting parts The fastening device is intended for two hydraulically communicating fitting parts (1, 33). In order to fasten a lateral fitting part (33) on the end face to an outer wall (8) of a wide fitting part (1) at a predetermined angle, the fastening device compr... | 09/23/2003 |
| 6609730 | Stabilized mounting assembly with integral block module and manifold/transmitter module A stabilized mounting assembly (15) and method for sensing pressure in a conduit, such as a pipeline, is disclosed wherein the load on the NPT threaded taps (31) is reduced and transferred from the NTP threads.... | 08/26/2003 |
| 6585299 | Pipe connector A pipe joint with a sleeve element, which has an internal thread, and with a spigot element, which has an external thread which can be screwed to said internal thread. One element has a constant pitch throughout and the other element, with two sections ex... | 07/01/2003 |
| 6375232 | Bi-metallic union fitting for use in threaded ports A lip seal union fitting attaches to a female boss associated with a hydraulic component. The female boss includes a bore, a first threaded portion located on an inner surface of the bore and a seat. A body of the lip seal union fitting is constructed of ... | 04/23/2002 |
| 6061990 | Conduit positioning device for slabs A conduit positioning or locating device adapted to be secured to formwork defining one side of a slab of concrete or other settable material for positioning a conduit for passage through the slab. The device includes a body, having at least one opening o... | 05/16/2000 |
| 5819978 | Two piece composite inlet A plastic pressure vessel having an access fitting is disclosed. The pressure vessel has a liner defining a container with an access opening. The fitting comprises a body portion defined by a hollow cylindrical neck portion having an upper annular rim and... | 10/13/1998 |
| 5709413 | Low carryover fitting and method for coupling tubing to a device using the same A fitting assembly for coupling tubing to a device having a sealing surface is provided. The fitting includes a ferrule for seating against the sealing surface. The ferrule has a head. The ferrule is formed from a first material. A reusable collar having ... | 01/20/1998 |
| 5560163 | Drainage connector and device to connect to drainage connector A device for interconnecting drainage conduits that have been stabilized while forming building footings includes an annular disk and a cylindrical hub extending outwardly from and about the opening. A stop formed in the hub limits the insertion of the dr... | 10/01/1996 |
| 5429151 | Through-hull valve and mounting unit An integrated plumbing system comprising a plurality of interchangeable and interengagable parts which is especially useful in conjunction with boats or other marine vessels. The plumbing system includes a through-hull unit, a mounting unit, a ball valve ... | 07/04/1995 |
| 5423581 | Low carryover fitting and method for coupling tubing to a device using the same A low carryover fitting assembly for coupling tubing to a device having a sealing surface is presented. The fitting includes a ferrule having a conical head for seating against the sealing surface. The ferrule has a conical tail. The ferrule has an axial ... | 06/13/1995 |
| 4920626 | Stabilized connector flange for interconnecting an instrument manifold with an orifice plate assembly Improved methods and apparatus are provided for structurally interconnecting an instrument manifold with a differential pressure assembly having a pair of tapered NPT threaded outlet ports each adjoining an exterior body surface. First and second connecto... | 05/01/1990 |
| 4631212 | Manifold A manifold formed of a plastic main body member and a plurality of tubular metal inserts. The metal inserts are received in bosses formed at longitudinally spaced locations along the plastic main body member and provide communication therethrough with the... | 12/23/1986 |
| 4570458 | Method and apparatus for extracting liquid from a vapor compression refrigeration system Liquid is extracted from a vapor compression refrigerant flow circuit utilizing a compressor suction line accumulator having a sump portion and boss formed thereon for receiving a device for extracting liquid from the sump of the accumulator. The device i... | 02/18/1986 |
| 4488344 | Waste heat recovery system having thermal sleeve support for heat pipe A system for recovering waste heat from a stream of heated gas is disclosed. The system includes a convection heat transfer chamber, a boiler tank, and a plurality of heat pipes thermally interconnecting the convection heat transfer chamber with the boile... | 12/18/1984 |
| 4426959 | Waste heat recovery system having thermal sleeve support for heat pipe A system for recovering waste heat from a stream of heated gas is disclosed. The system includes a convection heat transfer chamber, a boiler tank, and a plurality of heat pipes thermally interconnecting the convection heat transfer chamber with the boile... | 01/24/1984 |
| 4289355 | Attachment flange for flexible conduit A plate is attachable to a supporting structure such as a wall. Means carried by the plate encircle and hold a flexible conduit passing through the plate and the structure. The conduit is detachably held at adjustably selected positions along the length t... | 09/15/1981 |
| 4270886 | Fife couplings A pumping apparatus has a body part including an inner sleeve and an outer sleeve. A passage is formed in the sleeve with the portion of the passage in the outer sleeve being threaded to receive a pipe fitting. Grooves are machined in the outer sleeve abo... | 06/02/1981 |
| 4140337 | Hermetic quick connection and seal for coupling low pressure systems In making a quick connection and hermetic seal for coupling low pressure systems of a type such as heat pipes and the like, a pre-installed fitting forming the sealing portion of a quick connection assembly is disposed in a depression formed in the sidewa... | 02/20/1979 |
| 3995962 | Building kit for the production of three-dimensional frameworks A building kit for the production of three-dimensional frameworks comprising ball-shaped joints having threaded joint bores and integral formed tube-shaped rods, the end regions of which are formed with a substantially reduced diameter relative to the thi... | 12/07/1976 |
| 3931993 | Force resistant assembly In a laminar polymeric sheet having a passageway which is threaded for part of the thickness of the sheet and a threaded element engaged with the threads in the passageway, the improvement wherein the thread engagement begins at a minimum distance from th... | 01/13/1976 |
