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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 6840664 | Tumble drum for mixing food product An improved tumble drum is provided for mixing one food product with another food product, and includes a rotating tumble drum for rotating the products about a drum axis of rotation, with the drum having a product input in one end and a product output in an axial o... | 01/11/2005 |
| 6769381 | Seasoning system and method An improved seasoning system 10, 11, 13 uniformly coats a food product with the desired amount of seasoning, with the seasoning rate preferably being controlled as a function of the product volume signals from the sensors 26, 34, 108 and 110. Th... | 08/03/2004 |
| 6857634 | BOP assembly with metal inserts A blowout preventer assembly 10 includes opposed rams 12, 14, each including a rubber or elastomer sealing assembly 16, 18, with a plurality of inserts 20 forming an array 22 of metal inserts within each sealing assembly. Each inse... | 02/22/2005 |
| 6835025 | Receptacle assembly and method for use on an offshore structure A receptacle 20 is removably secured to hull 12 of an offshore structure 10, and supports an elongate member 14, which may be a riser string, extending downward to the sea bed or to another structure. The elongate member 14 include... | 12/28/2004 |
| 6805200 | Horizontal spool tree wellhead system and method A horizontal spool tree wellhead system 10 utilizes a casing 18, 19 installed in a well bore and a wellhead housing 20 at the upper end of the casing. A spool 23 of the horizontal tree 22 is connected to the upper end of the wellhe... | 10/19/2004 |
| 6796704 | Apparatus and method for mixing components with a venturi arrangement An eductor mixing device (10) has a main body or housing (28) of a generally cylindrical shape and an inner tube (42) for one component to be mixed with a liquid is mounted in main body (28) with a vortex chamber (56) formed in an ... | 09/28/2004 |
| 6791469 | Method of drilling in response to looking ahead of the bit A method for improving ROP and reducing hazards in drilling subterranean wells by using an acoustical system 15 to look ahead of the drill bit 14, detects and analyzes geologic features ahead of the bit 14 which may be qualified as drilling haza... | 09/14/2004 |
| 6786670 | Threaded closure Methods and systems are provided for operating a vessel or pipeline closure. A closure 110 includes a hub 12 fixedly and sealingly secured to the vessel, and a cap 30 for threaded engagement with the hub 12. An anchor 122 may be fi... | 09/07/2004 |
| 6763893 | Downhole tubular patch, tubular expander and method A system for forming a patch in a well at a location along a tubular string which has lost sealing integrity includes a central patch body 60, an upper expander body 52 carrying an upper seal 50 or 56, and a lower expander body 98 ... | 07/20/2004 |
| 6733576 | Gas sampling separator A gas sampling separator 29 for the separation of liquid or other contaminants from gas received from a pipeline may be easily inspected visually and cleaned. A cylindrical body 62 forming a separation chamber 64 is threaded onto a base 40 | 05/11/2004 |
| 6722216 | Booster actuator A booster actuator 10 may be positioned between the solenoid 12 and a valve 14, and increases the energy output from the solenoid to activate the valve. The booster actuator 10 may include a force input member 28 and a force output... | 04/20/2004 |
| 6715555 | Subsea well production system A tubing hanger positioned within the bore of a wellhead body has a vertical bore from which a tubing string may be suspended within a well bore. When the hanger is landed, a fluid passageway in the tubing hanger has one end in fluid communication with a passageway ... | 04/06/2004 |
| 6539312 | Sampling system for obtaining pipeline gas samples A sample probe 18 for a gas sampling system obtains a highly accurate hydrocarbon gas sample from a pipeline, particularly when ambient conditions are below the hydrocarbon dew point. A compartment 20 houses a heater 44 and a pump 30, with the pump being ... | 03/25/2003 |
| 4605248 | Insulating union and method An improved insulating union is provided of the type designed to prevent electrolytic corrosion in flow lines. The tail sub is physically separated from both the threaded sub and nut by a plastic layer. An annular groove is conventionally provided in the ... | 08/12/1986 |
| 4589566 | Pressure responsive safety interlock A safety interlock device is provided for preventing the opening of a vessel containing a pressurized fluid. In a typical application, the interlock device may be used in industrial applications to prevent the inadvertent unscrewing of a cap from the end ... | 05/20/1986 |