Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7163193 | Water flow-controlling device for a cooling system of a vehicle A water flow-controlling device has a tube, a shaft, a block, a washer and a reciprocating assembly. The tube has a front opening, a rear opening, a side opening and a rear bracket. The openings communicate with one another. The rear bracket is mounted in the tube n... | 01/16/2007 |
| 6916456 | Pressure relief device for medical instrument reprocessor A pressure regulating device for regulating the pressure exerted on a medical instrument in a reprocessor for microbially deactivating the medical instruments. ... | 07/12/2005 |
| 6835062 | Fuel oil supply circuit for an oil burner having a solenoid valve in parallel circuit with diaphragm valve for controlling oil flow at start up A fuel oil supply circuit that includes two bypass mechanisms for burner startup including an electrical valve bypass in parallel circuit with a mechanical valve bypass. The fuel oil supply circuit includes an oil pump that is adapted to pressurize fuel oil and a do... | 12/28/2004 |
| 6679949 | Method and device to allow a rigid pig to pass into a flow pipe which requires the use of a hollow flow-constricting device There is disclosed a method and a device to allow a "rigid" pig to pass into an undersea flow pipe in which a hollow flow-constricting device is in use. According to the invention the device is provided with a first pipe branch and a second pipe branch. T... | 01/20/2004 |
| 6520756 | Piston pump The invention relates to a piston pump for a vehicle brake system, in particular a slip-controlled hydraulic vehicle brake system. For damping pressure pulsations, the invention proposes proving a throttle, as a place of narrowed cross section, in an outl... | 02/18/2003 |
| 5613476 | Fuel supply device An in-tank type fuel pump which can easily be installed and reduces the vibration caused by the fuel pump. The fuel pumped up by a pump part passes through a filter to have foreign matter contained therein removed. Then, the fuel flows from a fuel passage... | 03/25/1997 |
| 5462226 | Temperature-responsive, locking mechanism for, and in combination with, a fluid valve A temperature-responsive, locking mechanism is provided for a valve which has a rotary operating assembly journaled in a housing. The mechanism comprises an annulus coupled to the assembly for rotation therewith. A fluid temperature-operated electric swit... | 10/31/1995 |
| 5289681 | Power steering system An oil pump which delivers an operating oil to a power steering mechanism of vehicle is designed to reduce the power which is wasted during a high speed operation. A subpump of a reduced capacity having a number of revolutions which varies with a vehicle ... | 03/01/1994 |
| 4674527 | Pressure relieving linear motion valve The point at which pump out pressure exceeds load is sensed to provide a point for scheduling flow to an actuator in a hydraulic system. Flow is controlled by a stepper motor (28) that moves a flow control valve (27). The steps needed to achieve fixed flo... | 06/23/1987 |
| 4589436 | Oxygen partial pressure controller for a pressure swing adsorption system An oxygen partial pressure controller regulates the oxygen partial pressure (PPO2) of the product gas of a pressure swing adsorption oxygen enriching system by means of a bleed valve which increases gas flow through the adsorptive system thereb... | 05/20/1986 |
| 4388047 | Solenoid-operated pump A solenoid-operated pump for discharging fluid from a tank through a fluid discharge passage in a pump body has a directional control valve disposed in the fluid discharge passage. The directional control valve is normally urged to direct fluid flow throu... | 06/14/1983 |
| 4216185 | Method and apparatus for purging disinfecting high purity water distribution systems High purity water distribution systems are purged and disinfected by incorporating an outlet purge line into the conventional recirculating loop of the prior art. The purge line communicates with each outlet opening of the high purity water system and mea... | 08/05/1980 |
| 4149556 | Tubular connector having audible relief valve There is disclosed a tubular connector for connecting the end of a tubular gas carrying conduit to the mouth of a thermoplastic bottle containing a liquid wherein the mouth prior to use has a breachable seal. The connector comprises two oppositely facing ... | 04/17/1979 |
| 4064893 | Discharge system for ballast tank or the like A protection system for directing high oil content water ballast discharge to a slop tank and for controlling the rate of discharge of low oil content water ballast.... | 12/27/1977 |
| 3965920 | Installations for monitoring oil content An apparatus for detecting the presence in a liquid of material that emits fluorescent radiation when stimulated by ultraviolet radiation. A chamber having an inlet and an outlet for passing a stream of liquid therethrough. A source of ultraviolet radiati... | 06/29/1976 |
