Quotables
"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7318451 | Flapper valves with spring tabs A flapper valve assembly has a valve plate for attachment to a fluid device, such as a heat exchanger. The valve plate has a fluid port for permitting intermittent flow to or from a flow chamber in the fluid device. A resilient flapper covers the fluid port and has ... | 01/15/2008 |
| 7147468 | Hand held oral irrigator According to one broad aspect of one embodiment of the present invention, disclosed herein is a hand held oral irrigation device having a tip for dispensing fluids. In one example, an oral irrigation device includes a body portion, and a reservoir for storing fluids... | 12/12/2006 |
| 7137405 | Low pressure check valve A check valve for preventing backflow of media including a valve movably coupled to a carrier body, the valve including a flexible membrane disposed therein such that the flexible membrane flexibly engages an aperture in the carrier body to prevent backflow of media... | 11/21/2006 |
| 7059344 | Discharge valve mechanism for variable displacement compressor A discharge valve mechanism has a plurality of discharge openings. The discharge openings are placed in an open or closed state by a plate-like valve element. Each of the discharge openings is formed at a respective location between a base end side and a leading end... | 06/13/2006 |
| 7028689 | Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap A filtering face mask that includes a mask body and an exhalation valve. The mask body is adapted to fit at least over the nose and mouth of a wearer to create an interior gas space when worn, and the exhalation valve is in fluid communication with the interior gas ... | 04/18/2006 |
| 6592346 | Compressor discharge valve A compressor includes a particularly shaped discharge valve which extends into the discharge port. The shaped valve includes a convex portion on the seat side of the valve which extends downwardly into the discharge port. The shaped valve furthermore incl... | 07/15/2003 |
| 6468148 | Exhaust ventilator An exhaust ventilator has a frame on which an opening is formed. The frame is composed of a main frame and a flange. Partitions divide the opening of the frame into a plurality of air vents in a matrix manner. Butterfly valves of plate shape have their up... | 10/22/2002 |
| 5848615 | Check valve cartridge for fluid pump A check valve cartridge for a fluid pump, the check valve cartridge including: a valve seat; a flap valve member seated on the valve seat, the flap member having a first portion movable toward and away from the valve seat; a bumper seated on the flap memb... | 12/15/1998 |
| 5500663 | Recording ink container with an air vent valve A recording ink container having an air vent valve including a supporting means with a first opening, a first thin film with a second opening for covering the first opening, a second thin film for covering the second opening, and sealing means between the... | 03/19/1996 |
| 5364244 | Pump arrangement including flag type inlet valves with spherical seating New valves to allow or prevent material flow through a conduit are disclosed. Such valves comprise a valve seat having a longitudinal axis, defining a through opening and including a seating surface which defines a portion of the through opening. A valve ... | 11/15/1994 |
| 5355910 | Dual component flap A flap valve apparatus and an improved flap valve element which uses integrally bonded layers comprising a first soft flexible layer of an elastomer and a second layer of a rigid plastics material. The method of forming the flap valve element by a two com... | 10/18/1994 |
| 5285816 | One way valve A non return valve (10) adapted to be supported between two pipe end flanges (20) has a tubular body (11) with an internal flow passage (12) and a valve seat (15) around the inner end of the inlet opening (13), which is a major segment of a circle, and a ... | 02/15/1994 |
| 4702274 | Quick disconnect for sewage system A quick disconnect coupling device for connecting the vertical pipe from a submersible pump in a sewage system to a horizontal pipe includes male and female coupling members. The female coupling member is connected to the horizontal pipe and is coupled to... | 10/27/1987 |
