Did You Know...
...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 |
| 7695023 | Vacuum feeding joint A rotating table provided with a determined gap Db and serving as a rotating body is rotatably mounted on a fixed base. Seal-member accommodating spaces serving as annular grooves are partitioned and formed in a fixed surface. Annular seal members are disposed in th... | 04/13/2010 |
| 7618068 | Siphon elbow A siphon elbow for pivotally connecting separate horizontal and vertical siphon pipes in fluid communication, comprising a horizontal body and a pivot body. The horizontal body has a first, longitudinally-extending passageway defined therethrough between opposite fi... | 11/17/2009 |
| 7374211 | Rotary joints Rotary joints are provided, to allow fluid to flow from a stationary member to a rotating member. The rotary joints include a housing, configured to fit over the rotating member, a rotatable coupling disposed within the housing, configured to be fixedly attached to ... | 05/20/2008 |
| 7361234 | Photolithographic stepper and/or scanner machines including cleaning devices and methods of cleaning photolithographic stepper and/or scanner machines Stepper and/or scanner machines including cleaning devices and methods for cleaning stepper and/or scanner machines are disclosed herein. In one embodiment, a stepper and/or scanner machine includes a housing, an illuminator, a lens, a workpiece support, a cleaning ... | 04/22/2008 |
| 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 |
| 7252310 | Pipe coupling with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the co... | 08/07/2007 |
| 7150477 | Rotary joints Rotary joints are provided, to allow fluid to flow from a stationary member to a rotating member. The rotary joints include a housing, configured to fit over the rotating member, a rotatable coupling disposed within the housing, configured to be fixedly attached to ... | 12/19/2006 |
| 7052049 | Rod linkage Rod linkage for rod segments for a horizontal earth drill, whereby the rod segment ends can be interconnected by displacing the rod segment axes in parallel. The invention relates to a rod linkage for horizontal earth drilling which is characterized in that the ends... | 05/30/2006 |
| 7025393 | Pipe coupler with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the con... | 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 |
| 6676170 | Pivotable connector for manipulator A connector includes a pivot portion (10), a sleeve (40) and a connect portion (60). The pivot portion includes a body (12) and a head (14). The body defines two channels (16), and two through holes (18) in respective communication with the channels. The ... | 01/13/2004 |
| 6398267 | Device for interconnecting two smooth tubes in leaktight manner A device for coupling together in leaktight manner two smooth tubes disposed end-to-end, the device comprising a sleeve which diameter can be reduced by a tightening action, and a sealing ring (24) suitable for being disposed inside the sleeve so as to su... | 06/04/2002 |
| 5839764 | Air line connector An air line connector includes a hose block having first and second passageways disposed in flow communication; a connector block having third and fourth passageways disposed in flow communication; a pivot member having opposite ends rotatably received wi... | 11/24/1998 |
| 5290074 | Swivel fitting An improved swivel fitting for interconnecting two tubular members which permits a range of relative swinging movement of the conduits relative to another, and wherein a cord or fiber optic length is adapted to be passed. It includes a housing composed of... | 03/01/1994 |
| 5257825 | Barb and swivel spout elbow fittings An elbow fitting of selected member configurations and comprised of two members separately machined utilizing bar stock exterior form and one of which is cross drilled for assembly with the other and preferably adapted to rotatably receive a swivel spout ... | 11/02/1993 |
| 5191770 | Mounting assembly of a separate type air-conditioner An air conditioner system includes separate indoor and outdoor units affixed to opposite sides of a building wall. A plurality of conduits extend through the wall for transferring heat exchange media and electrical media between the units. Each conduit co... | 03/09/1993 |
| 5129687 | Swivelling conduit, in particular for the air-conditioning system of the passenger space of a motor vehicle A swivelable conduit is suggested which serves to deflect the air to be guided to the passenger space of a motor vehicle. The conduit comprises two pivot mountings which are flush with one another and are arranged at a distance from one another at a stati... | 07/14/1992 |
| 5044672 | Metal-to-metal sealing pipe swivel joint A metal-to-metal sealing pipe swivel joint especially useful with a subsea well completion system to pivotally interconnect the subsea wellhead to a lay-away flowline, the swivel joint having an annular seal element with metallic sealing surfaces and inne... | 09/03/1991 |
| 4938255 | Sealer for vacuum containers A sealer (10) for vacuum containers comprises a valve unit (12) and a removable vacuum-pump head (14). The valve unit consists of a valve housing (24) which can be connected to a vacuum container to be evacuated, for example through a flange (16), and a c... | 07/03/1990 |
| 4787655 | Airtight connection for breathing circuits The invention comprises a swivel adapter for a ventilator breathing system serving an incapacitated patient. The swivel adapter utilizes a pair of corrugated hoses which mate with a pair of arms which are permitted to swivel on the body of the adapter. A ... | 11/29/1988 |
| 4635850 | Spray nozzle, particularly adapted for spray guns The nozzle of the invention comprises a rotary element placed within a central body and traversed by a channel having a spray orifice, a safety tip placed on the front of the nozzle and an adapter placed between the central body and the diffuser of the sp... | 01/13/1987 |
| 4026119 | Device for conveying a fluid between a subsea duct and a buoy For conveying a fluid from or towards a subsea duct by means of a buoy having universal type joints, the improvement consisting in that the joint pins and the buoy legs have hollow spaces or bores therein to allow fluid flow therethrough.... | 05/31/1977 |
