Bizarre Patents
A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 8141587 | Duckbill type check valve with curved and resiliently biased closing seal A check valve is provided comprising a conduit for conveying a fluid, the conduit having an inlet and an outlet, the conduit having a first region adjacent the outlet (13) comprising a flexible wall, two opposing sides of the flexible wall converging towards ... | 03/27/2012 |
| 7331949 | Urinary catheter with check valve The present invention provides a novel construction for a catheter that includes backflow prevention in the form of a check valve, which keeps the flow of drained fluid material from reentering the patient. The catheter construction of the present invention provides... | 02/19/2008 |
| 7306127 | Container closure A one-piece container closure with a collar, leaflets hingedly attached to the collar, and thin flexible foldable webs attached to and extending between the leaflets. The leaflets are flat with the webs folded beneath in closed closure position. The leaflets are piv... | 12/11/2007 |
| 7306128 | Container closure A one-piece container closure with a collar, stiff planar triangular leaflets attached by linear hinges to the collar, and thin flexible foldable webs attached to and extending between the leaflets. The leaflets are flat with the webs folded beneath in closed closur... | 12/11/2007 |
| 7302960 | Momentary high pressure valve A valve (10) comprises a housing (12) with a valve element (14) which normally fluidicly couples a low pressure operating device, such as a transducer (30) and tubing (34) to be coupled to a patient (36) along a first flow p... | 12/04/2007 |
| 7244244 | Trocar seal system A seal assembly is provided for reception of an elongated surgical instrument, which comprises a body having at least one opening configured and dimensioned to permit entry of an elongated surgical instrument and defining a central longitudinal axis; a seal member f... | 07/17/2007 |
| 7240768 | Flapper finger valve A flapper finger valve assembly for use in an exhaust system. The flapper finger valve includes a tube having a plurality of orifices therethrough. The flapper finger valve assembly also includes a plurality of flapper finger valves generally having a C-shape wherei... | 07/10/2007 |
| 7237572 | Check valve A check valve includes two opposing sheets surfaces that are coupled together to form a flow channel there between. The flow channel has a first end, a second end and at least one direction-changing portion in between the first and second ends. A first opening is pr... | 07/03/2007 |
| 7153319 | Trocar system having shielded trocar A trocar system is provided which preferably includes a cannula having an elongate cannula body. The cannula body includes medial and distal portions thereof having a first diameter and a proximal portion thereof connected to the medial portion and having a second d... | 12/26/2006 |
| 7037303 | Urinary flow control valve A flow control valve (22) such as for a catheter (10) allows discharge of urine from a bladder (12) by manual actuation. The valve (22) may be a double-duckbill valve (22) with a single slit (62) at one apex (60a | 05/02/2006 |
| 6899199 | Flapper finger valve assembly A flapper finger valve assembly for use in an exhaust system. The flapper finger valve includes a tube having a plurality of orifices therethrough. The flapper finger valve assembly also includes a plurality of flapper finger valves generally having a C-shape wherei... | 05/31/2005 |
| 6719004 | Check valve floor drain A method and apparatus for admitting liquid from a draining surface into a drain conduit and for preventing discharge of waste gas from the drain conduit into the atmosphere in response to a higher pressure in the drain conduit than at the draining surface. The meth... | 04/13/2004 |
| 6533254 | Carburetor fuel pump A carburetor for a small internal combustion engine has a manual priming fuel pump with a resilient valve for allowing fuel flow in a first direction and for preventing fuel flow in a second direction. The resilient valve is reinforced with longitudinally... | 03/18/2003 |
| 6367505 | Check valve with oversized bill A check valve having an upstream inlet part mountable on a discharge end of a conduit, a downstream outlet part adapted to prevent backflow of fluid through the check valve, and a transition part located between the upstream inlet part and the downstream ... | 04/09/2002 |
| 6092551 | Duckbill valve A duckbill valve is provided which includes a hollow cylindrical elastomeric body with first and second ends. The first end has walls parabolically tapering to an elongate slit, the slit being surrounded by an upper and lower lip. The second end has a non... | 07/25/2000 |
| 6066117 | Cannula flapper valve assembly A cannula includes a cannula cap connected to a proximal end of the cannula, which cap has cap body having a bore defining an instrument receiving passageway. A monolithic flapper valve is positioned within the cannula proximal end and adjacent the cap bo... | 05/23/2000 |
| 6056444 | Track roller bearing with stud The track roller bearing with stud according to the present invention is to provide a track roller bearing with stud that has a low production cost and offers easy handling in which lubrication work can be performed from either end surface of the stud and... | 05/02/2000 |
| 5931197 | Asymmetrical check valve An asymmetrical check valve has an inlet end, a transition part and an outlet end, with a pair of vertical lips facing one another. The lips may be flat or they may be curvilinear. The check valve is asymmetric about a horizontal longitudinal plane throug... | 08/03/1999 |
| 5924452 | Valve assembly A valve assembly for permitting fluid flow in a first direction and for preventing fluid flow in a second direction opposite to the first direction. The valve assembly includes an upper housing, a lower housing coupled to the upper housing to form a gener... | 07/20/1999 |
| 5823852 | Water bag type brassiere padding with a valve A water bag type brassiere mounted in one cup of a brassiere and having a valve partially projecting to the outside through which the volume of contained fluid in the padding can be adjusted with a syringe, the valve including a rubber valve body and a ru... | 10/20/1998 |
| 5820604 | Cannula cap including yeildable outer seal and flapper valve A cannula cap embodiment includes a monolithic elastomeric cap body having a sidewall portion for engaging a proximal end of a cannula, and an end portion connected to the cylindrical sidewall portion. The cannula cap also includes a monolithic flapper va... | 10/13/1998 |
| 5727593 | Tide gate valve with curvilinear bill An inversion-resistant check valve or tide gate valve has a sleeve bounding a longitudinally extending, flow-through passage for fluids. The sleeve has an intermediate region and an upstream fluid inlet end region mountable on a discharge end of a conduit... | 03/17/1998 |
| 5620032 | Gas nozzle valve An improved non-drip nozzle valve which can be retro-fitted onto existing fuel dispensing nozzles comprises an expanding integral wire frame made from two spaced, interconnected C-shaped springs. Once inserted into the throat of the fuel dispensing nozzle... | 04/15/1997 |
| 5606995 | Inversion-resistant, readily openable tide gate valve An inversion-resistant check valve or tide gate valve which comprises a sleeve bounding in a longitudinally-extending flow-through passage for fluids. The sleeve has an upstream fluid inlet end region mountable on a discharge end of a conduit which is elo... | 03/04/1997 |
| 5487406 | Drain control valve and manifold system A valve for permitting fluid flow in a first desired direction and preventing fluid flow in a reverse direction. The valve includes a valve body having a rigid wall defining inlet and outlet openings at opposite ends thereof and a main flow passageway bet... | 01/30/1996 |
| 5324270 | Cannula with improved valve and skin seal A cannula having an elongate rigid tubular member with proximal and distal extremities. A cylindrical housing is secured to the proximal extremity of the tubular member. A duckbill valve assembly is disposed in the cylindrical housing. The valve assembly ... | 06/28/1994 |
| 5282314 | Method of making a pressure relief value A method of making a pressure relief valve includes embedding a pair of opposed plates within a pair of valve lips, forming holes in the lips, inserting springs into the holes into engagement with the plates, and tensioning the springs to constantly urge ... | 02/01/1994 |
| 5215123 | Pressure relief valve A pressure relief valve has coil springs embedded within valve lips for constantly urging the lips closed. The internal springs resist environmental corrosion, and eliminate multi-part complex valve actuators.... | 06/01/1993 |
| 5193585 | Duckbill conservation vent valve The present invention relates to a duckbill conservation vent valve comprising an elastomeric tubular body having an axial fluid passageway with an inlet and an outlet. The tubular body progressively narrows in cross section from inlet to outlet, forming ... | 03/16/1993 |
| 5137024 | Gas flow valve and sphygmomanometer air-feeding/discharging apparatus using the same A gas flow valve enables constant venting and is used with a cuff showing a rapid decrease in venting ability at a predetermined value on a boundary within the pressure range which allows measurment of blood pressure. The gas flow valve has a body made of... | 08/11/1992 |
| 5010925 | Normally closed duckbill valve assembly The present invention provides a valve assembly for allowing fluid flow in a first direction and for preventing fluid flow in a second, opposite direction including a valve housing having first and second ports opening into the housing. A flow regulator i... | 04/30/1991 |
| 4993452 | Low pressure check valve An exhaust gas aftertreatment system having an air supply system is disclosed and includes an air feeding pump for selectively creating a flow of air through a flow passage which directs the flow of air to a regeneration system. A check valve is provided ... | 02/19/1991 |
| 4709836 | Fluid flow nozzle A one-piece, resilient nozzle on an outlet pipe of a carton filler includes two relatively rigid flaps at opposite sides of the nozzle and two relatively flexible walls at other opposite sides of the nozzle, to form with the flaps a loop encircling the no... | 12/01/1987 |
| 4710063 | Non-return valve for bore hole sleeves A non-return valve for bore hole sleeves, which are intended for injection of a sealing and/or reinforcing compound into rock cracks and similar cracks and which comprise a rigid case (10), one end (10A) of which is provided with means for detachable conn... | 12/01/1987 |
| 4607663 | Inversion-resistant, readily-openable tide gate valve A tide gate valve has staggered pads embedded therein to provide sufficient strength to resist sagging and inversion, and to provide sufficient flexibility to promote an easy opening of the valve.... | 08/26/1986 |
| 4585031 | Inversion-resistant tide gate valve An inversion-resistant tide gate valve includes a multiple-ply sleeve, and a rigid support member embedded therein to prevent the sleeve from sagging and to impart strength to the sleeve to prevent inversion.... | 04/29/1986 |
| 4524805 | Normally closed duckbill valve and method of manufacture A normally closed duckbill valve for controlling the direction of fluid flow in a fluid-conducting conduit and a method of manufacturing the valve are provided. The valve is formed of elastomeric material and comprises a generally cylindrical body member ... | 06/25/1985 |
| 4465102 | Check valve A check valve for controlling the flow of fluid through a pipe or other means defining a passageway. The valve comprises an elastomeric valve element that permits flow of fluid through the passageway in a downstream direction while preventing the flow of ... | 08/14/1984 |
| 4436519 | Removable hemostasis valve A hemostasis valve comprising a body having a central passage, a seal having a central aperature therein, the seal being mounted in the central passage, and a diaphragm having a wall member with a slit therein, the diaphragm being mounted in the central p... | 03/13/1984 |
| 4434810 | Bi-directional pressure relief valve A bi-directional pressure relief valve includes a cylindrical main body portion defining a flow path through the valve and terminating in an asymmetrical lip portion having a curved contour about an axis of curvature extending perpendicularly to the flow ... | 03/06/1984 |
