...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8033575 | Quick connector A quick connector can surely prevent incomplete connection of a tube thereto and is provided with a retainer which can be easily returned to its releasing position without being subject to restrictive conditions including working space when the tube connected to the... | 10/11/2011 |
| 7971910 | Conduit to component fitting having a leak detection mechanism A leak detection mechanism for use with a pressurized system that relates generally to an assembly for connecting a conduit to a component. The mechanism utilizes a fluid passageway for detecting a leak or absence of a seal after connecting a conduit to a component ... | 07/05/2011 |
| 7942452 | Flange fitting with leak sensor port A leak detection feature for a fluid conduit. The leak detection feature facilitates the monitoring of fluid leaks at the interface of two adjoining conduit flange fittings. An embodiment of a flange fitting with a leak detection feature for a fluid conduit having a... | 05/17/2011 |
| 7896401 | Respiratory gas humidifier adapter with pressure relief valve and audible signal generator A pressurized respiratory gas humidifier adapter with a pressure relief valve having an audible signal generating device incorporated into a low-flow respiratory gas supply system at a position in the system wherein the pressure relief valve and an audible signal ge... | 03/01/2011 |
| 7845684 | Quick connector A quick connector including a female part with a stepped bore arranged to receive an endpiece and a collar of a male part, and a latch including a ring in a housing arranged in the female part to slide radially between an eccentric position and a position coaxial wi... | 12/07/2010 |
| 7802822 | Coupling with an indicator A quick connector including a female part, a male part, and a latch. The latch includes a latching ring which slides within a housing of the female part, and a backing ring which is fitted on the latching ring and is slidable relative thereto. As the male part is in... | 09/28/2010 |
| 7614662 | Pipe fitting with orientation indicator A fitting is provided with an integral orientation indicator that can be permanently fixed to or detachable from the fitting. The orientation indicator allows the installer of the fitting to ensure that the fitting, as well as the upstream and downstream parts of th... | 11/10/2009 |
| 7600790 | Coupling assembly with connection indicator A coupling assembly includes a first coupling member that extends along an axis from a forward end toward a rearward end and includes a first locking surface and a first connection indicator positioned between the first locking surface and the rearward end. A second... | 10/13/2009 |
| 7566077 | Quick-connect coupling A quick-connect coupling has a retainer for retaining a tube in a coupling body. The retainer is pressed in the coupling body so as to lock the tube in place in the coupling body. The retainer cannot be fully pressed in the coupling body and projects from the coupli... | 07/28/2009 |
| 7520536 | Connectors with adjustable elements to prevent undesired coupling of adjacent conduits A connection for ensuring a correct coupling of two conduits including two connectors adapted to be fitted one within the other along an axis of fit and which connectors include initially engageable portions that permit a controlled angular indexing of the two conne... | 04/21/2009 |
| 7497477 | Pull tab verifier assembly for quick connectors A quick connector coupling comprising a hollow female connector body, a male member having an enlarged annular upset received in the connector body, and a retainer releasably securing the male member in the connector body. A two piece insertion verifier assembly has... | 03/03/2009 |
| 7494156 | Quick connector An easily usable quick connector includes a connector body 12, a retainer 16, and a complete connection indicating member 28 capable of being repeatedly used for indicating if a tube 14 has been inserted in the connector body 12 wi... | 02/24/2009 |
| 7430811 | Intrinsic gauging for tube fittings An intrinsic gauging device for a ferrule type tube fitting of the type having a coupling nut, a coupling body and at least one ferrule, includes a precisely formed marking on the coupling nut that is visually perceptible that indicates the pull-up position of the t... | 10/07/2008 |
| 7390025 | Secondary latch/verifier for a quick connector A quick connector coupling comprising a female connector body, a tubular male member, a primary retainer and a secondary latch/verifier. The female connector body has a through bore and transverse slots open to the bore. The male tubular member with an annular upset... | 06/24/2008 |
| 7390024 | All-Purpose Pressure Test Kit A test apparatus for testing the fluid tightness of pipes of different sizes includes a one-piece main body having a tubular portion defining a chamber with an internally threaded wall portion that can be screwed separately onto an externally threaded pipe in a flui... | 06/24/2008 |
| 7377553 | Quick connector A quick connector has a connector housing, a tube connection component, a pipe body and a retainer. The quick connector further has a checking operation portion provided with a holding component. The holding component has a fitting hole and a gate component which is... | 05/27/2008 |
| 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 |
| 7361267 | Dialysis machine blood circulating circuit fitting A fitting (1) for a blood circulating circuit (4) of a dialysis machine has a first ans a second mouth (8, 9) for connecting the fitting (1) to a first ans a second portion (2, 3) of the blood circulating circuit (4) respect... | 04/22/2008 |
| 7360800 | Compression clamp A one-piece unitary compression clamp for securing a pipe or tube on a fitting. The clamp may include at least one inward deformation that provides an interference fit between the clamp and the pipe or tube. Consequently, the clamp cannot fall off the pipe or tube b... | 04/22/2008 |
| 7354078 | Pipe joint device An object of the present invention is to provide a pipe joint device, according to which two pipe members can be easily connected and disassembled without causing the abrupt discharge of the fluid from the pipe members. A ring shaped first retaining member is mounte... | 04/08/2008 |
| 7354075 | Adapter-intermediate ring for a screw-in part of a fluid plug system An adapter assembly having an intermediate ring and a screw-in part for a fluid plug-in system. The adapter assembly includes an externally threaded portion for threading into a threaded bore and an actuating shoulder. A receiving groove is formed in the transition ... | 04/08/2008 |
| 7350562 | Drilling flange and independent screwed wellhead with metal-to-metal seal and method of use A drilling flange and an independent screwed wellhead provides a metal-to-metal seal that supplements the traditional elastomeric O-rings for providing a fluid seal between the drilling flange and the wellhead. The metal-to-metal seal may be achieved using a metal r... | 04/01/2008 |
| 7340817 | Molded flare assembly A fully formed flared portion is molded as part of the main body of the one embodiment of the fitting. The flared portion is inserted through the back side of a retaining cap. A collet assembly is assembled together around the smallest diameter of the tube fitting b... | 03/11/2008 |
| 7341282 | Detachable plug coupling provided with an additional locking element The detachable plug coupling operative to connect fluid lines, particularly fuel lines of motor vehicles. The plug coupling includes a tubular insertion part with an encircling retaining rib and a coupling housing having a cylindrical accommodating space for the ins... | 03/11/2008 |
| 7337990 | Attachment for air spray gun There is provided an attachment for an air spray gun, to be connected to the bottom of a grip of the spray gun. It includes a control valve to adjust the air flow rate, a gun coupling disposed in the body of the control valve to communicate with an outlet-side passa... | 03/04/2008 |
| 7338086 | Connector with enhanced safety A connector with enhanced safety includes: a female component defining a stepped housing, a male component with a flange, whereof the outer diameters correspond to those of the stepped housing of the female component, a lock collar transversely mobile in a base of t... | 03/04/2008 |
| 7331613 | Medical tubing connector assembly incorporating strain relief sleeve A connector assembly for interconnecting separate sections of tubing, e.g., medical tubing. Connector assemblies are a two-piece construction having a connector pin and a connector sleeve. The connector sleeve includes a first end, a second end, and a passageway ext... | 02/19/2008 |
| 7328922 | Quick connector A quick connector includes: a cylindrical connector housing having a tube connecting portion and a pipe retainer portion that has a retainer; and an annular seal member fitted on an inner circumferential surface of the connector housing. The retainer is integrally f... | 02/12/2008 |
| 7318609 | Chuck and tube joint A chuck includes an annular ring portion, a first engaging portion which extends along a central axis of the annular ring portion and which engages with the first tube joint member, and a second engaging portion which extends from the annular ring portion along the ... | 01/15/2008 |
| 7316428 | Connection verifying device and connection verifying structure for a pipe and a connector Connection verifying device for a pipe and a connector has a body portion, a stop and verification arm and an abutment finger. The body portion includes an abutment plate and a fit-on portion. The stop and verification arm extends from an outer periphery of the abut... | 01/08/2008 |
| 7316425 | Quick connector A quick connector includes a female portion with a staggered bore whereof one cross-section with large diameter can receive an outer flange of a male portion of the connector beyond a lock, the lock including a ring having an orifice for allowing through the flange ... | 01/08/2008 |
| 7314237 | Pipe joint assembly A pipe joint assembly including a transparent quill; an outer quill having at least a first view port, and having at least a first outwardly extending pipe coupling thread which extends longitudinally along and helically about the outer quill, the transparent quill ... | 01/01/2008 |
| 7314085 | Well operations system A wellhead has, instead of a conventional Christmas tree, a spool tree (34) in which a tubing hanger (54) is landed at a predetermined angular orientation. As the tubing string can be pulled without disturbing the tree, many advantages follow, includin... | 01/01/2008 |
| 7303367 | Lock nut system A lock nut system includes a molded nut having a plurality of teeth and a molded keeper having a plurality of keeper teeth engageable with the plurality of teeth to inhibit movement of the keeper relative to the nut when the plurality of teeth engages the plurality ... | 12/04/2007 |
| 7284433 | Ultrasonic testing of fitting assembly for fluid conduits with a hand-held apparatus Hand-held apparatus and method for determining relative and/or absolute axial position of a conduit end within a fluid coupling includes application of input ultrasonic energy in the form of transient shear waves and analyzing the reflected energy. Application of th... | 10/23/2007 |
| 7273235 | Toothed washer for a tube coupler device, a method of making a toothed washer, and a coupler device of the quick coupling type The invention relates to a washer for a tube coupler device, the washer having an inner portion subdivided into a plurality of teeth with active portions having a free edge that defines an inside edge of the washer and that is arranged to penetrate into an outside s... | 09/25/2007 |
| 7258371 | Connection system A connection system for conduits, fittings or assemblies which are intended for carrying a fluid acted upon by a pressure (p1), in particular for systems carrying carbon dioxide. The connection system comprises a first coupling part such as a housing part... | 08/21/2007 |
| 7251983 | Secondary containment system and method A pump housing that contains a pump that draws fuel from an underground storage tank containing fuel to deliver to fuel dispensers in a service station environment. The pump is coupled to a double-walled fuel pipe that carries the fuel from the pump to the fuel disp... | 08/07/2007 |
| 7249788 | Connector assembly for male and female members A connector assembly having a male member, a female member and a retainer for releasably securing the male member and the female member. The retainer has inner retainer arms for simultaneously engaging the male member and an interior portion of the female member, an... | 07/31/2007 |
| 7246825 | Erosion-indicating safety fitting An erosion-indicating safety fitting having a fluid passage formed within for connection in-line with a pipe and a cage of interconnecting breach passages formed into the block and surrounding the fluid passage, particularly at areas having a predicted risk of erosi... | 07/24/2007 |