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 |
| 7261681 | Method and apparatus for applying additive to a moving, spread-out filter material web A method and apparatus for supplying an additive to a moving web of filter material of the tobacco-processing industry are provided. An adjustable window defines an opening, and additive is applied through the window opening onto the web. ... | 08/28/2007 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7080960 | Apparatus and method for transporting waste materials An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer... | 07/25/2006 |
| 6971786 | Method for conveying a solid substance The invention relates to a method for conveying a solid (2) in a conveying medium (15), said solid (2) being delivered to a container (5) with outlet (7). The solid (2) is in this case dispersed in the transport liquid (1... | 12/06/2005 |
| 6936092 | Positive pressure drilled cuttings movement systems and methods Methods for moving drilled cuttings, the methods, in certain aspects, including conveying with air under positive pressure, drilled cuttings to flow conduit apparatus; applying air under positive pressure to the flow conduit apparatus to continuously move the drille... | 08/30/2005 |
| 6332739 | Powder supply system and powder supplying unit used in the system A powder supply system including a powder replenishment device as a powder source, a suction device and a plurality of powder supply units connected in series. Each of the powder supply units sprinkles powders toward an object mounted on each processing d... | 12/25/2001 |
| 6152656 | Material delivery system A material delivery system conveys material from a supply location at or above an area surface to a working location below the area surface. The delivery system includes a supply hopper located at the supply location and having an inlet for receiving mate... | 11/28/2000 |
| 6045299 | Unidirectional gate between interconnecting fluid transport regions A unidirectional gate disposed between interconnecting fluid transport regions in a manufacturing process. The gate allows workpieces to pass from a first transport region to a second transport region but prevents them from returning to the first region a... | 04/04/2000 |
| 5988951 | Pneumatic grain sample transport system The present apparatus relates to a pneumatic transport system to transport samples of grain between a filling station in a grain handling and storage structure and a receiving station in an office or inspection laboratory.... | 11/23/1999 |
| 5634713 | Pneumatic material transporter and mixer A pneumatic material transporter includes a material hopper (2), a screw conveyor (3) to transport the material (supplied from the hopper) from the rear portion to a front portion of the screw conveyor, a pressure chamber portion (5) to receive the materi... | 06/03/1997 |
| 5525015 | Pneumatic transport system for powdered materials A pneumatic transport system for powdered materials for quantifying and pneumatically transferring powdered materials. When materials are fed above an inclined guide plate in a material feeder with its bottom opening closed by a valve plug, a slide damper... | 06/11/1996 |
| 5433924 | Method and apparatus for feeding a catalyst A catalyst feed system is described for intermittent delivery of supported and/or prepolymerized supported catalyst to a polymerization reactor. The system incorporates valves with cylindrical sealing surfaces as well as a venting stage incorporating a fi... | 07/18/1995 |
| 5160222 | Pneumatic conveying system A pneumatic conveying system for particulate material. An upper vessel includes an inlet for the material. An intermediate housing is open to and located under the inlet. A primary check valve is located in the intermediate housing and will receive the ma... | 11/03/1992 |
| 4938848 | Method and apparatus for conveying split streams of alumina powder to an electrolysis cell An apparatus and method for splitting a mass of fluidizable powder into a plurality of powder streams and conveying the powder streams through a plurality of ducts. The apparatus comprises a powder splitter defining a chamber, a plurality of hollow ducts ... | 07/03/1990 |
| 4776730 | System and method for managing fly ash transport and valve for use therein A system and method for the transport of fly ash and other particulate matter. The system comprises (a) a fly ash hopper; (b) a metering container for measuring the amount of fly ash to be transported; (c) a first valve for regulating the movement of fly ... | 10/11/1988 |
| 4518286 | System for pumping suspended particles upward A slurry of solid particles suspended in water or some other liquid is elevated in a riser tube, extending upward from a closed vessel, under hydraulic pressure from the same liquid descending into the vessel from a hydrostatic column whose height is less... | 05/21/1985 |
| 4439073 | Filling hole swing valve for sandblasters A pressurized air jet actuated swing valve for sandblasters is hinged with respect to the underside of the inverted head of the sandblaster to fit squarely against the sand filling opening in the tank head whenever the swing valve is maintained in closed ... | 03/27/1984 |
| 4423988 | Manure handling unit A manure handling unit comprising a manure holding tank having an inlet and an outlet and a conduit section leading from the outlet. An inlet valve is provided within the tank for closing the inlet. An operating device within the tank operates the inlet v... | 01/03/1984 |
| 4355929 | Flow control device Apparatus for conveying bulk material at a controlled rate includes a pressure vessel from which material may be fed downwardly into a container under the influence of pressure applied to the pressure vessel. Located below the container is a receptacle or... | 10/26/1982 |
| 4176987 | Fluent material handling apparatus Apparatus for providing a continuous flow of fluent particulate material suspended in a gaseous stream from a bulk source. The pneumatically powered and controlled apparatus includes a material receiving chamber intermittently replenishing a second chambe... | 12/04/1979 |
| 4118075 | Bulk material delivery apparatus Apparatus for discharging bulk material into a pneumatic conveyor conduit has two chambers, one disposed above the other, the upper chamber having an inlet orifice controllable by a pivotal closure flap and the lower chamber communicating with an outlet o... | 10/03/1978 |
| 4111492 | Pneumatic conveying apparatus and method A pneumatic conveying system for a granular, powdery, or liquid product which utilizes during normal operation pressure differentials to convey and to regulate the flow of product through the system. A high velocity stream of air creates a pressure differ... | 09/05/1978 |
| 4106817 | Apparatus for pneumatically transporting powdery or granular materials Apparatus for pneumatically transporting powdery or granular materials from a material supply unit through a transport pipeline to a material receiver unit. A spherical secondary transport medium with an outside diameter slightly less than the inside diam... | 08/15/1978 |
| 4089563 | Apparatus for pneumatic conveyance of pulverulent or granular materials An apparatus for the pneumatic conveyance of pulverulent or granular material, has a reservoir for the material, a fluidization barrier in the reservoir, an outlet for material flowing from above the barrier in the reservoir, an inlet conduit for fluidiza... | 05/16/1978 |
| 4071452 | Device for discharging particulate materials A device for discharging particulate materials, especially when wet and in specific quantities, allows uniform discharging across the cross section of a container through a number of ports in the floor of the container. A device underneath and at a distan... | 01/31/1978 |
| 4005806 | Apparatus for injection of hygroscopic powders into a high pressure liquid stream An apparatus to inject fine hygroscopic powder into a high pressure stream has a dispenser which dispenses powder onto a flared dispersing surface mounted in a mixing receptacle. The flared dispersing surface disperses the powder and deposits the powder o... | 02/01/1977 |
