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 |
| 7353965 | Closure cap provided with anti-twisting A pressure cap for openings in tanks, in particular in automobile radiators, has an outer cap component which is provided with a locking element that can be connected to the tank's neck, and provided with a handling element rotatably mounted in relation to said lock... | 04/08/2008 |
| 7281639 | Fuel cap The present invention provides a fuel cap having a high operability while maintaining the air-tightness thereof at a necessary and sufficient level. The closure includes a closure body having a head portion, a trunk portion and an annular trunk surface having stoppe... | 10/16/2007 |
| 7219683 | Cut valve with check valve A cut valve with a check valve includes a body case, a cap member, positive and negative pressure valves, and first and second springs. The body case defines a vent hole. The cap member is fitted to an upper portion of the body case. The positive pressure valve is m... | 05/22/2007 |
| 7191809 | Connector for dispensing liquid from a tank During non-use of tank (53), a connector for dispensing liquid from the tank has no portion projecting from the tank, keeps the tank in its sealed condition, and makes no disturbance. Provided in drum cap (51) threadably engaged with a neck of the tank... | 03/20/2007 |
| 7172089 | Motor vehicle In a motor vehicle having a chassis, an engine cooled with fluid via a coolant system and a filling connection for the coolant system, the filling connection is equipped with a filling opening, a removable closing cap for the filling opening and an overflow connecti... | 02/06/2007 |
| 7104415 | Sealing cap The invention relates to a sealing cap (11), for openings and containers. The valve arrangement (15) comprises an axiallly displaceable valve body (17), which is held in the direction of the container interior by means of a spring (22) ag... | 09/12/2006 |
| 7048140 | Vented liquid containment device A vented liquid containment device has a cup member located within the structure of a threaded cap so that a filter material can be placed within the cup member to prevent liquids from being splashed in an upward direction into contact with a vent that is formed wit... | 05/23/2006 |
| 6997339 | Cap device for fuel tank In a cap device for a fuel tank, a main portion includes an operation portion, a sealing member and an engaging portion. When the main portion is inserted into an opening portion of the fuel tank and rotated by a predetermined angle, the sealing member is pressed ag... | 02/14/2006 |
| 6967572 | Radiator cap having readout capabilities A radiator cap for use with a fluid cooling circuit associated with an engine, such as an automobile engine, includes elements that monitor various conditions in the radiator and provides a readout of such conditions. A circuit that has an audible signal is also inc... | 11/22/2005 |
| 6935413 | Heat exchanger A heat exchanger includes a pipe having an opening formed therein, and an insert positioned within the pipe. The heat exchanger also includes a cap member for sealing the opening, and a support member for resiliently supporting the insert. Specifically, the support ... | 08/30/2005 |
| 6932232 | Radiator cap with pressure valve A pressure valve including a valve seat 3 is mounted on a cap body 8 side. The cap body 8 and a filler neck 6 are fastened together in an anti-disengagement manner by use of locking means. ... | 08/23/2005 |
| 6902079 | Tank cup A tank cap has outstanding operability when the fuel cap opens and closes a tank opening of a fuel tank. The tank cap is provided with a casing main body, a cover body provided with an handle and a torque mechanism. The torque mechanism transmits rotational torque t... | 06/07/2005 |
| 6796451 | Pressure deactivated torque override coolant cap A cap for use on the threaded filler neck of a coolant reservoir, such as an automobile radiator, comprising a cover and main body and including: a means for transmitting torque from the cover to the main body to screw the cap onto the filler neck. The cap but for p... | 09/28/2004 |
| 6619497 | Apparatus for venting a container containing fluid Apparatus for venting a container containing a fluid and including a poppet mounted to the bottom of a cap or flap mounted to a housing for being mounted to the container, a fastener for fastening the cap of flap to the housing and which fastener may be a... | 09/16/2003 |
| 6390318 | Sealed container The present invention provides a seal portion mounted on an inner wall of a cap. When the cap is removed from the main body of the container, the seal is positioned below a position where a first screw thread is screwed to a second screw thread. The first... | 05/21/2002 |
| 6367644 | Sealing cap The invention relates to a sealing cap for openings in motor vehicle radiators which is provided with a cap inner part (4) having a flow connection between the interior of the container and the exterior of the container as well as a valve arrangement (5) ... | 04/09/2002 |
| 6285934 | Apparatus and method for monitoring motor vehicle fuel tank cap Proper mounting of a motor vehicle fuel tank cap on a vehicle fill pipe is of major importance to reduce the vapors which on escaping from the fuel tank contributes to environ-mental pollution, to insure proper mounting of the gas cap there is provided in... | 09/04/2001 |
| 6273286 | Ventilating system According to the present invention, a ventilating system is used to equalize a first pressure within an enclosure, and a second pressure outside of the enclosure. The ventilating system includes a body member having an exterior surface adapted to seal aga... | 08/14/2001 |
| 6260726 | Over/underpressure valve for a filler neck cap assembly A pressure and/or vacuum relief valve (11) for fitting in a cap assembly (4) for an automotive tank filler neck (1), with a substantially cylindrical valve housing (12), in which a valve spindle (23) controlling a first valve gap (26, 27) is mounted axial... | 07/17/2001 |
| 6095363 | Quick-on fuel cap A cap (50) that is engageable with a tank filler neck (52) includes a closure (56), handle (54), and an annular gasket (76) on an axially inner end of closure (56) in spaced-apart relation to handle (54) and closure retainer apparatus (70) mounted on clos... | 08/01/2000 |
| 6056139 | Coolant container cap assembly A coolant container cap assembly for use with a coolant container having first and second sealing ridges. The cap assembly comprises an exterior cover for removeably securing the cap assembly to the container. A valve housing member is rotatably secured t... | 05/02/2000 |
| 6056140 | Filler neck cap assembly A cap assembly (4) for a filler neck, especially of a motor vehicle fuel tank, with a somewhat pot-shaped insert (7) insertable to form a seal for the end of the filler neck (1), having projections (6) at its outer periphery engaging in bayonet or threade... | 05/02/2000 |
| 5904057 | Lockable fuel cap A lockable fuel cap is provided including a closure member having a drive tooth and a removal hub. The hub includes a drive lug and moves between a lock position in which the drive lug is spaced-apart from the drive tooth and a release position in which t... | 05/18/1999 |
| 5829620 | Quick-on cap with one-part closure body A filler neck closure cap includes a closure body, a handle coupled to an axially outer flange of the closure body, and an O-ring sealing gasket carried on an axially inner end of the closure body. The cap further includes closure retainer apparatus appen... | 11/03/1998 |
| 5794806 | Quick-on fuel cap A fuel cap is provided for use in the filler neck of a tank. The fuel cap includes a filler neck closure member, a handle engaged to drive the filler neck closure member, and a torsion spring coupled to the handle and to the filler neck closure member.... | 08/18/1998 |
| 5791507 | Quick-on cap with two-part closure body A cap is provided for use in the filler neck of a tank. The cap includes a handle, an o-ring sealing gasket, and a closure body including an upper body portion coupled to the handle and a lower body portion rotatably coupled to the upper body portion for ... | 08/11/1998 |
| 5603425 | Radiator cap A vessel for a fluid, the vessel having a filling opening and a cap removably mounted on the vessel for closing the filling opening, the filling opening being defined by a tubular conduit having a vent port located in its wall, the cap including an elonga... | 02/18/1997 |
| 5480055 | Quick-on cap with removal delay mechanism A quick-on cap includes a closure body for engaging a filler neck and a handle for rotating closure body. Cap also includes a control mechanism for initially providing a lost-motion driving connection between closure body and handle during cap removal and... | 01/02/1996 |
| 5174463 | Cap for a container, especially a vehicle radiator In a closure cap for a container, especially for a vehicle radiator, with an outer part (12), an inner part (16) of cup-shape connected with the outer part and insertable into the opening to be closed, and having an overpressure valve arranged in the inne... | 12/29/1992 |
| 5114035 | Vehicle radiator cap A vehicle radiator cap for closing a radiator filler neck is disclosed. The radiator cap includes a central rivet for securing a crown, a bell housing, and a discoid spring and having a flared shank permitting free turning of the crown relative to the pri... | 05/19/1992 |
| 5108001 | Pressure release vent cap A pressure relief and venting closure cap for a filler neck of a vehicle gas or coolant system tank having an initial rotary drive which opens a vent valve in response to a differential movement between a cap shell and a vent valve actuator to vent the fi... | 04/28/1992 |
| 5071020 | Radiator neck with radiator cover cap In order to attach a radiator cap 1 by means of a bayonet lock 4, 5 at a radiator neck 2 and to be able herein to install a completely assembled pressure relief valve 35 and vacuum relief valve 40 at the radiator cap 2, a lifting counterpart curved surfac... | 12/10/1991 |
| 5036888 | Closure cap for a container pipe A cap for the pipe of an automobile radiator or the like includes a pressure/vacuum valve. The pressure at which the valve opens may be adjusted by an easily operated means permitting adjustment of the compression of a pressure spring, thereby making it p... | 08/06/1991 |
| 5020685 | Filler neck cap with pressure valve In a plastic filler neck cap including therein a receptacle for a pressure control valve and a receptacle for an anti-leakage assembly, a positive-negative pressure valve is compactly constructed in such a manner that the valve body retainer plate is form... | 06/04/1991 |
| 4913303 | Liquid splash control fuel cap A fuel cap includes a float valve assembly for minimizing discharge of liquid fuel splash from the filler neck through the pressure-relief vent passage during normal vehicle operation. The float valve assembly is compatible with a controllable pressure-re... | 04/03/1990 |
| 4887733 | Pressure-release fuel cap A fuel cap is provided for use in a fuel system filler neck having a mouth. The cap includes a closure rotatably engageable with the filler neck to cover the filler neck mouth and formed to include a vent passageway extending therethrough in communication... | 12/19/1989 |
| 4836406 | Closure for a pressurized fluid-filled container A closure for a pressurized container, such as a coolant radiator, provides overflow protection by means of a tube connecting the highest point of the container with the filler neck. The end of the tube in the filler neck is closed by a cap having a high ... | 06/06/1989 |
| 4787529 | Vapor-liquid control fuel cap A fuel cap for use in a vehicle fuel system filler neck is provided. The fuel cap includes a closure for closing the filler neck and a pressure relief valve that is movable between a filler neck-venting position and a non-venting position. A roll-over con... | 11/29/1988 |
| 4779755 | Pressure release control fuel cap A fuel cap is provided with a vent system for lowering the actuation pressure of its internal pressure-relief valve in response to rotation of the fuel cap relative to the filler neck in a cap-removal direction. The vent system provides an operative conne... | 10/25/1988 |
| 4716920 | Roll over fuel cap A fuel cap having a pressure-vacuum valve assembly for sealing a vehicle fuel tank is provided. The cap has a normally closed vent to vent the fuel tank, with a first valve member to open the vent when the pressure within the tank reaches a predetermined ... | 01/05/1988 |
