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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7654583 | Device for a pressure-compensated swivel A device for a pressure-compensated swivel comprising a swivel housing and a swivel pipe rotatably arranged in the swivel housing, wherein pressure from fluid in the swivel acts on opposing compensating areas in the swivel, whereby an axially compressive force is es... | 02/02/2010 |
| 7537246 | Pipe coupler A female coupler suitable for use with a high pressure fluid is provided. The female coupler has locking members or balls adapted to be forced into engagement with a male coupler inserted into the female coupler by a sleeve or outer movable member. The sleeve is hel... | 05/26/2009 |
| 7438240 | Hand-held sprayer for hose rollers A hand-held sprayer includes an at least partially hollow shaft section, a liquid dispensing section and a hollow connecting plug element for connecting a hose extension to the hand-held sprayer. The connecting plug element is arranged within shaft section and can b... | 10/21/2008 |
| 7419191 | Quick insert nozzle for tools A quick insert nozzle structure has a pipe connector connected to an insert nozzle. An end of the pipe connector has a containing groove for connecting a joint of a quick insert nozzle that has three circular grooves. An external circular groove installs a washer; a... | 09/02/2008 |
| 7370668 | Valve for winterizing a pool A valve assembly for use in winterizing a swimming pool closes to prevent pool water from entering into a pool pipe situated below the water line and opens to allow fluid or air to be pumped out of the pool pipes, including an adaptor having threads for attachment t... | 05/13/2008 |
| 7364207 | Quick connect coupling A quick connect coupling having a clip, a port having an interior annular groove adapted to support the clip, a forward cylinder, a rear cylinder, and a first transition ramp, and defines a port peak distance. The coupling also has a sealing element. Additionally, t... | 04/29/2008 |
| 7338094 | Plug-in coupling for fluidic systems A plug-in coupling for fluidic systems, in particular for CO2— and fuel-conducting systems, including a housing (1) and a plug (2) which can be inserted into the housing (1). The plug (2) can be inserted by a plug stem (3 | 03/04/2008 |
| 7320484 | Plug-in safety coupling A plug-in safety coupling for pressurized conduits includes a blocking element, which is mounted in a coupling housing; the blocking element includes a through bore in which a coupling plug may be introduced in a sealing manner. A pivot path of the coupling housing ... | 01/22/2008 |
| 7316424 | Fast-fit coupling for connecting appliances forming part of a medical or surgical handpiece system to a supply hose A plug connection for fast-fit coupling of two appliances forming part of a medical handpiece system includes a first coupling fitting on one of the appliances and a second coupling fitting on the other of the appliances. The first coupling fitting has a movable loc... | 01/08/2008 |
| 7270348 | Releasable connector including swivel A connector for releasably attaching a pair of conduits includes male and female components having proximal and distal ends and a lumen, and a swivel connection releasably connecting the male and female components. The swivel connection permits fluid communication b... | 09/18/2007 |
| 7249789 | Water well casing A novel design for the connection of polyvinyl chloride (PVC) casing. Each length of casing has a male end and a female end. The female end has a narrowing interior diameter with its wider interior diameter at its outermost end sufficient to receive the male end of ... | 07/31/2007 |
| RE39695 | Swivel joint with stepped bearing races A swivel joint comprises a tubular male member having at least first and second outer annular grooves formed on an outer surface, a tubular female member having at least first and second inner annular grooves formed on an inner recess, and a plurality of balls dispo... | 06/19/2007 |
| 7229102 | Fluid coolant union A coolant union includes a seal assembly having a first seal member and a non-rotating second seal member. At least one of the annular sealing surfaces presented by the rotating seal member and the non-rotating seal member is chamfered such that the chamfered sealin... | 06/12/2007 |
| 7225833 | Fluid connector with adjustable flow control A fluid connector with adjustable flow control includes an adapter having a first threaded portion, a sealing surface and an orifice. The fluid connector also includes a valve body having a second threaded portion for engagement with the first threaded portion and a... | 06/05/2007 |
| 7204026 | Adjustable reciprocating saw An adjustable reciprocating saw has the ability to adjust the orientation of the saw blade in relation to the rest of the tool. The saw blade can pivot about two transverse axes, one parallel with and one perpendicular to the reciprocating motion axis of the saw bla... | 04/17/2007 |
| 7204668 | Panel fastener with spring retaining ring A fastener assembly having a bolt having a shaft and a nose portion at its terminal end. A ring is mounted on the bolt. The ring is an elongated piece of resilient material curving from a first end about the bolt shaft, then curving back around to a second end adjac... | 04/17/2007 |
| 7192187 | In-line thermometer An improved temperature measuring device for the in-line temperature measurement of fluids which does not require intimate contact of the fluid with the temperature sensing element. In addition, the invention contains no internal cavities or crevices making it very ... | 03/20/2007 |
| 7191989 | Hose holder A holder for storing ribbed vacuum cleaner hoses that includes a pair of support members mounted on a support, each support member having one or more ribs to engage the ribbed surface of the hose. The ribs include a lip that prevents displacement of the hose away fr... | 03/20/2007 |
| 7147252 | Medical connector A connector for a respiratory assembly is provided. The connector includes a body that has a first end and a second end. The body has a passage disposed therethrough from the first end to the second end to allow for transport of fluids and objects through the body. ... | 12/12/2006 |
| 7147062 | Cable management apparatus A fire fighting monitor includes a stationary element and a rotating element for directing a water stream at variable trajectories. Electrical components, such as drive motors, are mounted on the rotating element and are connected to electrical sources remote from t... | 12/12/2006 |
| 7134697 | 360° rotatable inlet screw assembly for a pneumatic tool A 360° rotatable inlet screw assembly for a pneumatic tool includes a fixing base, an inlet screw and a C-shaped retainer. The fixing base is fixed in an inlet hole of the pneumatic tool and axially formed with a through hole. A first end of the inlet screw is form... | 11/14/2006 |
| 7128168 | Reamer apparatus for ground boring machine The invention provides a reamer apparatus for a ground boring machine that is capable of restricting increase in drawing resistance when performing drawing of a buried pipe by using a reamer and of efficiently performing drawing operations of the buried pipe without... | 10/31/2006 |
| 7118137 | Testable pipe joint A locking ring-type pipe joint has a spigot ring provided on a first pipe section, a bell ring provided on a second pipe section, and a locking ring that may be contracted to engage the spigot ring to the bell ring. First and second circumferential grooves formed in... | 10/10/2006 |
| 7108293 | Swivel connector for a pipeline A swivel connector (10) for a pipeline includes first and second connecting members (12, 14) connectable in the pipeline. The connecting members (12, 14) have round, telescopic pipe sections (32, 42), an annular seal (36, 46) betwe... | 09/19/2006 |
| 7100408 | Front loading lock assembly A lock assembly includes a housing, a core assembly and a retainer. The housing includes a housing retainer groove located generally transverse to an axis defined by a bore through the housing, which corresponds with a core retainer groove. When the core assembly is... | 09/05/2006 |
| 7097015 | Suspension system for motor vehicles A suspension system for motor vehicles includes a piston-cylinder assembly having a working cylinder, a piston rod guidably inserted in a piston rod guide in the cylinder, and a damping piston having damping valves movably arranged in the working cylinder and connec... | 08/29/2006 |
| 7082966 | Water-flow guide device of faucet A water-flow guide device of faucet, which comprises a hollow space, a water outlet mounted with a positioning ring having a hole; one end thereof is riveted with a threaded connector, and then is inserted into the other end of the faucet; the other end of the water... | 08/01/2006 |
| 7063357 | Flexible pipe coupling A flexible pipe coupling having first and second member rotatable relative to one another. The first member defines national pipe taper, or NPT, threads and the second member includes an internal swag member for forming a swagged connection with a flexible pipe. The... | 06/20/2006 |
| 7040667 | Clamping assembly A clamping assembly has a first component and a second component, which has an essentially cylindrical outer jacket, which is attachable to the first component. The clamping assembly has a support surface supported against the first component, which is able to be cl... | 05/09/2006 |
| 7040670 | Coupling apparatus The present invention relates to an alternative pipe coupling apparatus, to conventional tapered screw threads usually used to join ends of pipe sections to fixtures. The invention utilizes a bayonet style interlocking arrangement having a male element and a female ... | 05/09/2006 |
| 7029393 | Split inlet seal for grain separators and method A grain separator having an easily replaceable seal. The separator comprises a housing and a rotatable grain separation drum carried by the housing, the drum having an end face with an external annular bearing surface. A drive shaft extends axially into the drum thr... | 04/18/2006 |
| 7025391 | Non-permeable pipe connector structure A non-permeable pipe connector structure, the design of which effectively prevents external material (such as vapor and miscellaneous substances, etc.) intrusion. To obstruct the intrusion of external matter into the pipe connector, a ball bearing holder is disposed... | 04/11/2006 |
| 7021674 | Rotatable vacuum coupling A rotatable vacuum has a passage through a spindle (32). The spindle protrudes through a bushing (30) and forms an annular chamber (46) therebetween that is connectable to a vacuum source through 360° of rotation. ... | 04/04/2006 |
| 7011345 | Pipe joint and couplers A pipe joint between cylindrical male and female couplers having terminal end portions with cooperating cam surfaces that facilitate assembly of the couplers. Cooperating projections on the couplers cam past one another when the couplers are assembled and restrain t... | 03/14/2006 |
| 7007983 | Quick connect coupling An annular gasket is stationarily mounted on one coupler, and a tubular body is mounted for axial sliding movement within another coupler. The body has an outer wall formed with a sealing surface that sealingly engages the gasket in a sealed position, and with an ou... | 03/07/2006 |
| 7004509 | Journal bearing mounted hub seal rotary joint A rotary joint comprising a stationary head including a fluid chamber therein, the chamber opening at a bottom surface of the heaf, a rotatable nipple having an outer surface and an internal axial passageway in fluid communication with the fluid chamber; and a seal ... | 02/28/2006 |
| 6969071 | Face seal assembly A face seal assembly including an annular mating ring housing having a proximal end surface with a channel therein, a mating ring insert disposed in the channel, the mating ring insert including a mating ring compressed within a first band to maintain the integrity ... | 11/29/2005 |
| 6945158 | Irrigation system A rotary joint to be used in the irrigation of a wine cap layer within a fermentation tank during a fermenting process. The rotary joint has two sets of ball bearings. The dual sets of ball bearings grants greater support, stability, and mobility to a cantilevered a... | 09/20/2005 |
| 6932391 | Quick-release fitting assembly A quick-release fitting assembly has a male fitting and a female fitting. The male and female fittings are secured together by a retaining ring that is at least partially received in aligned first and second retaining grooves that are provided in the male fitting an... | 08/23/2005 |
| 6869108 | Tube coupler A tube for a socket body having a structure of grooves and ribs using a reduced number of seal rings which can be easily manufactured. The tube coupler connects an easily-processed cocking ring to the socket. ... | 03/22/2005 |
