"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7766044 | Two-way damper A two-way damper is provided including a retaining member and a baffle. The baffle comprises a flexible member with a first portion secured and held in a fixed position by the retaining member and a second portion normally oriented in a first position, but free to m... | 08/03/2010 |
| 7371227 | Trocar seal assembly A seal assembly adapted for use in conjunction with a trocar assembly includes a plurality of seal segments, each seal segment including a peripheral edge and a seam edge. Each seal segment further includes a first section and a second section with a vertical wall c... | 05/13/2008 |
| 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 |
| 7240378 | Flange valve A flange valve to deter entry of rodents and pests, insertable on existing devices, comprising a unidirectional swinging door attached on an inner wall of a frame, the door and the inner wall of the frame having a clearance between them of a dimension not allowing e... | 07/10/2007 |
| 7237619 | Automatic fire sprinkler having a variable orifice An automatic fire sprinkler having a variable orifice, the sprinkler having a variable orifice associated with the automatic fire sprinkler, and wherein the orifice is responsive to the water inlet pressure of the sprinkler. ... | 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 |
| 7150727 | Apparatus and method for preventing free flow in an infusion line An apparatus and method for preventing free flow through an infusion set utilizes an occluder disposed within the infusion set to selectively prevent flow therethrough. The occluder may be responsive to a pressure differential within the infusion set or may respond ... | 12/19/2006 |
| 7137491 | Shock absorber non-vibrating check valve assembly A check valve assembly for a shock absorber includes a tapered valve seat and a polygonal check valve which includes a plurality of flat surfaces. Each pair of flat surfaces intersects at a linear engagement surface which slidably engages a cylindrical chamber. When... | 11/21/2006 |
| 7101353 | Splittable medical valve A hemostatic valve couples to a sheath proximal hub having an inside and an outside surface. The hemostatic valve has a valve body having a proximal porting and end, and a distal portion and end. A passageway extends longitudinally through the valve body between the... | 09/05/2006 |
| 7044127 | Multipurpose mask A protective, multipurpose mask covers the oral and nasal areas. The mask has an opening about or around the mouth area of the wearer which allows different devices to be inserted and withdrawn from the wearer's mouth while the mask is in place on the wearer. ... | 05/16/2006 |
| 7036509 | Multiple seal port anesthesia adapter Disclosed is an anesthesia adapter that is suitable for the simultaneous insertion of multiple devices or instruments into the lungs during ventilation of the patient, while minimizing or eliminating gas leaks. The anesthesia adapter comprises in one embodiment a fi... | 05/02/2006 |
| 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 |
| 6953320 | Ventilation fan A ventilation fan assembly (10) having a fan (22) mounted in a housing (12) and a shutter assembly (60). The housing has a square inlet portion (12C), a circular center portion (12E) and a conical outlet portion (12D)... | 10/11/2005 |
| 6918526 | Muffler for staple guns A muffler is received in a passage of an end member connected to a handle of the staple gun and a fitting extends from the end member so as to be connected to a hose. The muffler includes a tubular body and a plurality of plates extend from an end of the tubular bod... | 07/19/2005 |
| 6913596 | Valved over-the-wire catheter A catheter with a distal end having a member formed from a hydrophilic composition is provided. The hydrophilic composition expands upon contact with an aqueous fluid to move the member from a quiescent state to an expanded state. The member may provide an open pass... | 07/05/2005 |
| 6854484 | Valve for a slurry outlet opening of a chemical mechanical polishing device and chemical mechanical polishing device having a valve A valve for a slurry outlet opening in an installation for chemical mechanical polishing, in particular of semiconductor wafers in DRAM production, includes an elastic diaphragm, which covers the slurry outlet opening and has at least one self-closing opening. It is... | 02/15/2005 |
| 6569120 | Seal assembly A valve assembly is provided for permitting the introduction of a surgical instrument into a patient's body while providing a substantial seal about the instrument. The valve assembly includes a sealing gasket assembly providing a fluid tight seal before ... | 05/27/2003 |
| 6554698 | Fan one way air valve A valve for a vent. The valve includes an inner leaf having a closed state which covers the vent and blocks gas flow through the vent in a first direction, and an open state which opens the vent and allows gas flow through the vent in a second direction. ... | 04/29/2003 |
| 6540616 | Venting device for a constant velocity joint A constant velocity joint vent for use in a constant velocity joint of an automotive vehicle. The constant velocity joint vent including a circumferential base and a cylindrical projection extending from one end of the base. The constant velocity joint ve... | 04/01/2003 |
| 6457613 | Container equipped with protective seal A container equipped with a rupturable retaining seal which, when broken, forms a spout from which the contents of the container may be poured. The rupturable seal is secured along its peripheral edge to the top opening of the container and contains a pin... | 10/01/2002 |
| 6453940 | Insert bonded combination valve A combination valve including a metal sleeve and a valve body. The valve body is formed of a resilient material and insert bonded or vulcanized to the metal sleeve and includes a cylindrical elongated member defining a passageway therethrough and an annul... | 09/24/2002 |
| 6450563 | Noise shut-off device for doors of automotive vehicle A noise shut-off device is provided for doors of an automotive vehicle to effectively prevent driving noises from being introduced to the vehicle interior through draining holes formed at the bottom of the vehicle door, while allowing the draining out of ... | 09/17/2002 |
| 6382255 | Check valves A check valve comprises a body of elastomeric material having a tubular inlet at a first end with a radial flange. The body has a side surround with three equi-spaced valleys tapering together towards a second end opposite to the first end and having ther... | 05/07/2002 |
| 6378559 | Discharge outlet control A discharge flow control includes a plurality of flexible elongate elements adapted to be supported at one end from a discharge outlet to extend from the outlet in the direction of the discharge and across the flow path of the discharge outlet.... | 04/30/2002 |
| 6273128 | Apparatus for controlling the flow of fluid Apparatus for controlling the flow of fluid includes a gravity sensitive valve for receiving fluid from a fluid flow passageway and a pressure activated valve located downstream from the gravity sensitive valve. The gravity sensitive valve interrupts flow... | 08/14/2001 |
| 6227464 | In-line basket filter and anti-siphon valve assembly for spray spout and the like A hand held spray spout (10) has a basket filter (26) seated against an anti-siphon valve (24) proximate the base end of a water passage (12) within the spout. The filter has a plurality of protrusions (50) mounted within the inner diameter of the valve (... | 05/08/2001 |
| 6216722 | Freeze-resistant hydrant A freeze-resistant hydrant (10, 110) extending between a first area having a temperature at least intermittently below freezing and a second area having a temperature constantly above freezing including, a heat-transfer tube (20, 120), a first end (21, 12... | 04/17/2001 |
| 6176234 | Mouthpiece for a nebulizer A mouth piece exhalation valve for a nebulizer or breathing circuit. The nebulizer has an internal passageway containing an offset causing an inspiration mist flow to bypass the exhaust valve without impingement. The offset includes a deflector which aids... | 01/23/2001 |
| 6148860 | Low volume vacuum toilet assembly A vacuum tank assembly has a low volume configuration so that it can be used in boats and recreational vehicles where space is at a premium. A stack of components, with a waste tank at the bottom, then a vacuum tank with directly connected vacuum pump, an... | 11/21/2000 |
| 6138710 | Vent disc for baby bottle and method and apparatus for manufacture thereof A vent disc for a container is provided. The vent disc has a concavely curved domed central panel with a plurality of perforations extending therethrough along radii that form the concave curvature of the domed central panel. The domed central panel can h... | 10/31/2000 |
| 6119713 | Apparatus to prevent rapid multiple flushing Apparatus for delaying initiation of a successive flush cycle in a plumbing system utilizing a diaphragm flush valve having an improved relief valve assembly and/or an improved vacuum breaker assembly structured to delay after initiation of an initial flu... | 09/19/2000 |
| 6112952 | Valved dispensing system with hydraulic hammer protection for the valve A dispensing system is provided for dispensing liquid from a container. The system includes a discharge conduit defining a flow passage for establishing fluid communication with liquid from the container. A resilient valve is provided to extend across the... | 09/05/2000 |
| 6099505 | Valve assembly with automatic valve A surgical trocar assembly includes a disposable valve assembly, a cannula assembly, and a trocar with a handle. The cannula assembly includes a cannula base having a valve assembly coupling device at its proximal end, and a cannula extending from its dis... | 08/08/2000 |
| 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 |
| 6035896 | Valve The invention concerns a valve comprising a circular frame (1) whose inner edge narrows to form flexible areas (3) connecting the frame to triangular vanes (2). The areas (3) form articulations about which the vanes pivot when the valve opens or closes. I... | 03/14/2000 |
| 6026993 | Pump and pump outlet nozzle A pump comprises an inlet for pumping a liquid and an outlet nozzle for dispensing the pumped liquid. The outlet nozzle comprises an outflow opening which includes an outlet valve formed by a valve wall made of a flexible material. In a rest position, the... | 02/22/2000 |
| 5890959 | High efficiency blower system with integral backflow preventor In a multiblower system for cooling electronic components, each blower has a backflow preventor. The backflow preventor has two pieces of flexible material and a screen attached to the intake side of the blower assembly. Each of the pieces of flexible mat... | 04/06/1999 |
| 5873297 | Fluid-operated brake actuator with check valve A fluid-operated brake actuator having a check valve in the spring chamber to equalize the pressure on opposite sides of an operating movable diaphragm. The check valve being double redundant and tamper resistant and comprising a tubular body having a fir... | 02/23/1999 |
| 5871471 | Disposable value assembly for reusable surgical trocar A surgical trocar assembly includes a disposable valve assembly, a cannula assembly, and a trocar with a handle. The cannula assembly includes a cannula base having a valve assembly coupling device at its proximal end, and a cannula extending from its dis... | 02/16/1999 |
| 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 |