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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7117887 | Quick fill device An apparatus is adapted to be secured to a pressure regulator, relief valve, or any other valve and allows the user to control the position of the valve. According to one embodiment, the pressure regulator remains fully open until a desired maximum fill pressure wit... | 10/10/2006 |
| 6581232 | Pool cleaning apparatus Apparatus for use with automatic pool cleaners includes a tube which defines a flow channel for water drawn pump from the pool through a house by a remote pump. The tube includes tubular sections (10A, 10B) joined by a joint (11) which operates to move on... | 06/24/2003 |
| 5301638 | Actuating arrangement for a lift valve An actuating arrangement for a lift valve to be actuated by a cam includes a flexible endless tension member extending in a loop around two rollers and engaging a cam on one side and a valve on the other side.... | 04/12/1994 |
| 4790344 | Fluid flow regulator A fluid flow regulator 10 comprises a body 11 defining three converging flow passages A, B and C between inlets 14, 13 and 12 respectively, and outlet 15, which is connectable to a suction source. Passages A and B each includes a valve. Turbine 16 in pass... | 12/13/1988 |
| 4621621 | Vacuum valve system Disclosed is an inventive valve assembly (24) for coupling a respirator jacket (26) to a household vacuum cleaner (28). The respirator jacket is used to assist a human user (22) in breathing. One embodiment includes a fixed first conduit (48) and an oscil... | 11/11/1986 |
| 4212163 | Heat engine A heat engine which the steady burning of liquid or gaseous fuel in a combustion chamber, external to the engine cylinders, is converted to mechanical work by means of expansion of the combustion gases in the engine cylinders. A pair of series inlet poppe... | 07/15/1980 |
| 4163438 | Rotary valve timing apparatus A rotary valve system for an internal combustion engine is disclosed. Through the provision of an axially movable valve rotor, the system is capable of variable valve opening duration and timing. Ports in the rotor or in the rotor housing, or both, have e... | 08/07/1979 |
| 4076471 | Rotary engine with separable abutment and adjustable valve cam An engine comprises at least one cylinder and preferably several cylinders side-by-side. Each cylinder comprises a toroidal cylinder and has a piston which revolves around the cylinder. The piston is fixed to the periphery of a disk fixed to the main shaf... | 02/28/1978 |
