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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 6904920 | Method and apparatus for cleaning containers A machine for cleaning containers such as flat media carriers has inside and outside arrays of nozzles arranged to spray a cleaning solution onto containers supported on a spinning rotor in a chamber. The cleaning solution, a mixture of water and a detergent or surf... | 06/14/2005 |
| 6854481 | Power steering fluid refilling and draining device A power steering fluid refilling and draining device according to the present invention includes a frame mounting with a fresh fluid tank including an output pipe connected to a first three-way valve and a refilling port. The frame further houses a used fluid tank i... | 02/15/2005 |
| 6805538 | Fuel tank mounted, motorized high pressure gasoline pump A pump, for supplying high pressure fuel from a fuel tank to an engine via a common rail, includes a motor assembly (20) mounted on top of the fuel tank, a pump assembly (26) positioned within the fuel tank, and a support column (32) rotatably c... | 10/19/2004 |
| 6524084 | Motor pump unit A motor pump aggregate M has a housing 1 defining an oil reservoir with first and second chambers R1, R2. An electromotor 2 is driving via its motor shaft W at least one radial piston pump arrangement P1 provided within said first chamber R2. Both chamber... | 02/25/2003 |
| 6206036 | Recreational water recirculation system with double-shaft pump motor A pool, spa, hot tub or the like having a basin capable of retaining water, a first pump for recirculating a portion of the water within the basin to inlet jets within the side walls of the basin and a second pump for recirculating water from the basin to... | 03/27/2001 |
| 5221194 | Apparatus for electrostatically isolating and pumping conductive coating materials An apparatus for transferring electrically conductive coating materials such as water-based paint from a source to an electrostatically charged dispenser includes first and second shuttle devices and two large reservoir, piston pumps each having structure... | 06/22/1993 |
| 5058557 | Apparatus for delivery of fuel from a storage tank to an internal combustion engine of a vehicle An apparatus for delivery of fuel from a storage tank to an internal combustion engine of a motor vehicle includes a pot-shaped container secured in the storage tank and a pump for delivery fluid from the storage tank into the container. An electric motor... | 10/22/1991 |
| 4848471 | Method and apparatus for transporting unprocessed well streams System for the transport of an unprocessed well stream comprising a multiphase, multicomponent mixture over long distances from one or several subsea wells A to a terminal F. The well stream, which is transported in one or several pipelines (10), running ... | 07/18/1989 |
| 4714931 | Ink jet printing system In a continuous ink jet printing system a viscosity determining means (12) has a measuring tank (29). An inlet (32) to the tank is connected to the system ink circuit to receive ink under pressure and the inlet has a flow restriction. A vent/return pipe (... | 12/22/1987 |
| 4658583 | Double staged, internal rotary pump with flow control A double-staged, rotary pump and a fluid flow control device is disclosed. An inner rotary member is fixed to a rotatable drive shaft. The inner rotary member has n circumferentially spaced radially projecting teeth. An intermediate rotary member having n... | 04/21/1987 |
| 4547128 | Proportional mixing means A proportional mixing unit for accurately metering the desired amounts of a liquid concentrate and a liquid diluent, completely mixing the concentrate and diluent together, and holding the mixture until needed. A constant volume pump is used to pump a con... | 10/15/1985 |
| 4097680 | Spinning disk electrical isolator for a flowing seawater stream A pair of pumps driven by a common motor draw in ambient seawater through e and expel it through the other to following electronic instrumentation. Coupled between the pumps, a rapidly rotating disk receives the flow of seawater and radially dissipates it... | 06/27/1978 |
| 4015628 | Dilution device Apparatus for the staged, controlled dilution of a sample comprised of a particulate solids containing fluid with a preselected amount of a fluid diluent. The apparatus consists of a plurality of vessels connected together in series such that diluent intr... | 04/05/1977 |
