...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.
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 |
| 7413086 | Inline sifter An inline sifter including a gas-powder mixture receiving module which receives a mixture of a gas and powdery material from an inlet, a sieving module which communicates with a supply chamber of the gas-powder mixture receiving module, a rotating mechanism which is... | 08/19/2008 |
| 7093718 | Inline sifter A booster 8 extending in an internal area 53 of a sieve 7 is attached to the outer circumferential face of a rotating shaft 6. The booster 8 has four blades 82, which are radially extended from the outer circumferential face... | 08/22/2006 |
| 7017755 | Large coating lump removing device Rear ends of pushing rods 40 are axially connected to a support base 50, which is movably engaged with guide rails 60. A drive unit 70 is disposed to rotatably move wire belts 74 between wheels 73 and 71 at longitudin... | 03/28/2006 |
| 6193072 | Sifting machine with axial removal of screen, rotor, worm conveyor and drives for cleaning and maintenance A sifting machine comprises a stationary sifting basket, a rotor rotating within the sifting basket and a worm conveyor feeding into an end of the sifting basket for dosing and introducing the material to be sifted. The rotor and the worm conveyor are dri... | 02/27/2001 |
| 5593042 | Quality-control sieve and method of using it The novel invention proposes a final screen which is very reliable in operation and which is suitable more particularly also for building into a pneumatic conveying line. In a first section the material is distributed uniformly over the entire peripheral ... | 01/14/1997 |
| 5268100 | Manure separator A manure separating apparatus includes a trough with angularly bottom surfaces that converge downwardly to a discharge opening. A drain screen is located above the bottom trough surfaces and includes somewhat similarly angled downward converging infeed an... | 12/07/1993 |
| 5143305 | Soil treatment apparatus and method A method and apparatus for removing from soil particles within a predetermined size range, comprises a movable frame, and a digger attached thereto to excavate soil as the frame is moved. A first separater to which the excavated soil passes allows materia... | 09/01/1992 |
| 4899890 | Separating apparatus with wobbling take-up roller A separating apparatus employs a foraminous drum with a resilient belt forming a nip therebetween. A take-up roller upstream of the nip is rotatably supported about a center of rotation that is parallel to, but offset from a central axis of the take-up ro... | 02/13/1990 |
| 4638954 | Apparatus for the separation of mixtures of materials of different consistencies such as meat and bone Apparatus for the separation of mixtures of materials of different consistencies, such as meat and bone, or sewage containing solid material, comprises a positive displacement pump feeding the pressurized mixture to a separator which can be separate from ... | 01/27/1987 |
| 4116824 | Automated wet sieving apparatus An automated wet sieving apparatus and process are provided comprising a wetting liquid distributor which is coupled by eccentric disks to a motor which drives the distributor in an orbital path for supplying the liquid onto a sieve. Means are provided fo... | 09/26/1978 |
| 4000063 | Apparatus for separating knots from pulp An improved system for the production of digested pulp from wood chips and knots which includes a separating apparatus, connected to the digester output, capable of separating knots from partially cooked wood chips and fibers at the digester pressure and ... | 12/28/1976 |
| 3981738 | Gluten washing and dewatering device Device for gluten washing including a cylinder of increasing diameter having protruding helical flights. The cylinder presents an outward surface of peaked, elbow-shaped ridges. The cylinder and its helical wings are encompassed by a cylindrical, screen s... | 09/21/1976 |
| 3963608 | Apparatus for the treatment of synthetic resin powder An apparatus for the treatment of synthetic resin powder, such as an epoxy resin or polyester resin powder that forms an excess of powder when used for coating surfaces. The apparatus has a substantially horizontal and cylindrical screen mounted in a hous... | 06/15/1976 |