Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7887024 | Ball valve packing A ball valve includes a valve element and a single piece packing that seals the valve element within a valve cavity. The single piece packing is pulled over the valve element at room temperature or may be molded on. The valve element may include a flow control eleme... | 02/15/2011 |
| 7347408 | High differential pressure, low torque precision temperature control valve A high differential pressure, low torque precision temperature control valve is disclosed herein. This valve is trunnionated with stem components that are separable from the plug for ease of maintenance and manufacturability and thus reducing the need to remove the ... | 03/25/2008 |
| 7243900 | Ball valve A ball valve for refrigerating system includes a valve body, a valve seat that fits into the valve body by a screw thread, a valve ball accommodated within the valve body, two plastic sealing elements on both sides of the valve ball, a valve rod connected to the val... | 07/17/2007 |
| 7025330 | Bar-stock ball valve A barstock body fluid control valve comprising a barstock body of preselected material having an inlet end and an outlet end, and a preselected cross section defining the outer walls; a through machined main flow port located eccentrically on the inlet and the outle... | 04/11/2006 |
| 6948699 | Retainer for a ball valve seat A ball valve comprises: a valve body; a pair of valve end caps; a valve ball rotatably positioned within the valve body; a pair of valve seats, each valve seat being positioned between the valve ball and a respective valve end cap and engaged therewith; and at least... | 09/27/2005 |
| 6902145 | Regulating slide valve Regulating slide valve comprising a valve body having a valve opening, and a valve plate which has two side surfaces and which is displaceable along a displacement path between an initial position in which it releases the valve opening and an end position in which i... | 06/07/2005 |
| 6874757 | Pigging ball valve A pigging ball valve with a ball core mounted on an improved trunnion mounting. The pigging ball valve has a valve housing with a longitudinal axis. A side entry port on the valve housing is provided for entry of pigs into the valve housing. The ball core has an int... | 04/05/2005 |
| 6669171 | Compact manifold trunnion ball valve A compact manifold ball valve having a valve body defining a valve chamber and having first and second ends and a first flow passage intersecting the valve chamber a cylindrical sealing surface defining a bonnet and valve stem passage also intersecting th... | 12/30/2003 |
| 6631882 | Method and apparatus to test a shutdown device while process continues to operate Method and apparatus for testing an emergency shutdown valve without disrupting the flow of the process during a testing procedure. The apparatus includes an emergency shutdown valve capable of moving about 25% beyond a fully opened position to a fully cl... | 10/14/2003 |
| 5927687 | Ball valve A ball valve for shutting off pipelines carrying liquid, gaseous and solids-laden media, particularly those of large nominal diameters, includes a housing containing a ball provided with at least one bore and supported in a rotatable fashion in the housin... | 07/27/1999 |
| 5868378 | Throttling control in a fluid control valve A three-piece fluid control valve configuration including a valve body, a ball control member and two tailpieces that connect the valve to a pipeline and also house the ball fluid seals. Respective bearing plates with trunnion bearings are guide pin mount... | 02/09/1999 |
| 5478047 | Flexible seating structure for valves A rotary valve has a valve housing with a wall defining a flow passageway, a closure member journalled within the valve housing and mounted for movement between a first position for permitting flow of fluid within the flow passageway and a second position... | 12/26/1995 |
| 5419532 | Valve seal A design for a ball valve seat uses elastomer and a hard material such as graphite or plastic to seal both high and low pressures. The seat is ring shaped. The seal is positioned on one end. In one embodiment, a rubber O-ring is installed in an outer groo... | 05/30/1995 |
| 5275191 | Ball valve An apparatus for repairing a ball valve is disclosed. Generally, the ball valve contains an inner diameter which receives a ball member, and a first and second passageway portions. The apparatus comprises a ball seat insert retainer, with the first end be... | 01/04/1994 |
| 5224829 | Rotatable valve having upper and lower parts A valve apparatus, in particular a rotatable valve comprising an upper part (10) and a lower part (6) which are demountably attached to each other. The valve's lower part (6) is mainly U-formed with sealing surfaces (17,18) arranged on the outwardly facin... | 07/06/1993 |
| 5193573 | Ball valve having replaceable seals under full service pressure A housing having an inlet and outlet and seal ring sealably positioned in each of the inlet and outlet and movable longitudinally. A ball valve element positioned in the housing between the seal rings and having a tubular member rotatable on trunnions. A ... | 03/16/1993 |
| 5181691 | Mechanical part made of ceramics A mechanical part has a contact surface for movement on a mating surface. The contact surface is first rough ground by using a grinding wheel of a grain size, for example, equal to or smaller than #200 and then barrel finished or buffed so as to have such... | 01/26/1993 |
| 5070909 | Low recovery rotary control valve A rotary control valve for controlling fluid flow through a conduit comprising at least one fixed trim element and a rotatable plug element located in the conduit in closely abutting position. The trim element and the plug element have a plurality of duct... | 12/10/1991 |
| 4976403 | Valve with metallic bellows valve stem seal A fire-resistant valve 10 with a valve stem 40 mounted for linear motion through a valve stem bore 41 in the valve body 12 and connected to a valve element 20 by a connection means which effects movement of the valve element 20 between its valve open and ... | 12/11/1990 |
| 4968000 | Valve A valve with a valve body (11, 43) in the form of a ball or of a segment of a ball has a second, concave, spherical sealing surface (20, 53) which is provided to be resiliently urged against a first sealing surface of the valve body, and at least an outer... | 11/06/1990 |
| 4955581 | Bellows sealed plug valve A bellows sealed plug valve includes a valve body having an inlet passage and an outlet passage, a valve chamber between the inlet and outlet passages. A valve plug has substantially the same shape as the valve chamber and is rotatably disposed therein. A... | 09/11/1990 |
| 4953587 | Ball valves for pipelines A ball valve is provided in which an outer housing (1) can be left in a pipeline during servicing and a sub-assembly can be removed as a unit from the top of the outer housing (1). The sub-assembly comprises an inner housing (8) in which a ball member 17 ... | 09/04/1990 |
| 4911408 | Seat assembly for ball valves A top entry ball valve (10) has a removable top plate (34) to permit the removal of a ball valve member (80). Valve seat assemblies (98, 100) each include a primary metal seat member (102), a concentric secondary elastomeric seat member (104), and a conce... | 03/27/1990 |
| 4911413 | Structure for fitting a valve seat support ring in a valve port In a valve in which a valve port is opened and closed by a spherical valve disc, a valve seat is pressed and supported by a support ring. A snap ring which engages with an annular groove around the support ring is inserted together with the support ring i... | 03/27/1990 |
| 4890816 | Valve seats A metal valve seat for a butterfly valve or ball valve and has the form of an apertured disc with a radially outward part (4A) by which it is securable to a valve body and a radially inward dished part (4B) which projects laterally around the disc apertur... | 01/02/1990 |
| 4867414 | Ball valve A top open ball valve assembly which includes a pair of camming plates, one at the top and one at the bottom of the plug. The camming plates are oval and in their minor axis are clear of the floating valve seats. There are lost motion slots to allow the p... | 09/19/1989 |
| 4844410 | Adjustable seat assembly for a valve There is provided a seat assembly adapted to be received in a spool bore of a valve having a fluid controlling member for controlling the flow of fluid through the valve, with the spool bore having a threaded interior portion. The seat assembly includes a... | 07/04/1989 |
| 4812701 | Cover apparatus for weighing machines A cover apparatus comprising a plurality of peripherally divided and interconnecting cover sections positioned around and outside a plurality of weighing machines, that are arranged in turn in a predetermined array or pattern, the cover sections encirclin... | 03/14/1989 |
| 4727901 | Ball valve A ball valve device for subsea applications, capable of being dismantled for inspection and maintenance without disrupting normal operations of the pipeline and without causing leakage into or out of the pipeline is disclosed. The ball arrangement of the ... | 03/01/1988 |
| 4718444 | Valve seat retraction method and apparatus Selective retraction of a spring-biased valve seat from slidable sealing engagement with a ball valve member is effected by a threaded retraction tool inserted through a threaded retraction port normally sealed by a removable sealing screw and gasket. The... | 01/12/1988 |
| 4709902 | Ball valve having valve housing with interior annular ridge for holding annular retaining element in position The valve member (8) of a ball valve is retained in the valve housing (1) of the valve between an annular seal (21) and an annular retainer (22) which is mounted through one of the branches of the valve housing. The annular retainer (22) is secured in the... | 12/01/1987 |
| 4690613 | Portable engine-pump assembly A portable engine-pump assembly for use in firefighting applications is constructed of a high-speed, lightweight engine and a double-suction pump. The engine is arranged with a vertical crankshaft for driving the pump which is mounted adjacent thereto wit... | 09/01/1987 |
| 4678161 | Ball valve A ball valve in which the ball of the valve is positively prevented from blowing out of the valve body in both directions, even if the valve is connected in the wrong direction or the fluid pressure is applied to the valve in the opposite direction. The b... | 07/07/1987 |
| 4651828 | Safety valve in particular for closing an oil well A ball element pivotally mounted on a sleeve that slides within the tubular valve member of a well safety valve has a radial slot extending across its width parallel to and offset from its pivotal axis. A bar extending in secant fashion across the valve m... | 03/24/1987 |
| 4650157 | Angle ball valve A ball valve for controlling upstream to downstream fluid flow, for example, from an apertured tank bottom, has a housing body for bolted-on mounting. The housing has a flow passageway therethrough that angles between its upstream and downstream portions ... | 03/17/1987 |
| 4643652 | Portable engine-pump assembly A portable engine-pump assembly for use in firefighting applications is constructed of a high-speed, lightweight engine and a double-suction pump. The engine is arranged with a vertical crankshaft for driving the pump which is mounted adjacent thereto wit... | 02/17/1987 |
| 4637421 | In-line repairable top entry ball valve An in-line repairable top entry floating ball valve having internal components that are replaceable through an access opening, closed by a valve bonnet, while the valve body is located within a flow line. The valve mechanism is provided with seats which m... | 01/20/1987 |
| 4635675 | Flat sided ball valve A top-entry, single-body ball valve is provided which may easily be assembled or disassembled. The valve includes a rotatably mounted ball member having a passage extending therethrough, a valve seat for sealingly engaging the ball member, the ball member... | 01/13/1987 |
| 4634098 | Ball Valve In a valve of the ball or globe type operating means are provided to cause movement of the closure member in an angular mode about an axis of rotation and in a radial direction with respect to such axis in order that the closure member may be removed from... | 01/06/1987 |
| 4606368 | Ball valve for pipeline A ball valve assembly comprising: a body providing a socket and flow ports communicating therewith; and a core unit comprising a core assembly adapted to be releasably inserted into said socket, the core assembly having a through passage arranged to commu... | 08/19/1986 |
