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Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 5355682 | Cryogenic air separation process producing elevated pressure nitrogen by pumped liquid nitrogen The process of the present invention is a cryogenic air separation process with three important features: (1) at least a portion of a nitrogen-rich liquid from the column system is boosted in pressure before being vaporized and delivered as a product; (2)... | 10/18/1994 |
| 5355681 | Air separation schemes for oxygen and nitrogen coproduction as gas and/or liquid products The present invention is an improvement to a cryogenic distillation process for the separation of air into its constituent components. The present invention process uses a distillation column system which comprises at least two distillation columns wherei... | 10/18/1994 |
| 5351492 | Distillation strategies for the production of carbon monoxide-free nitrogen The present invention relates an improvement to a cryogenic process for the separation of air which produces at least a nitrogen product and is carried out in a distillation column system having at least one distillation column from which the nitrogen pro... | 10/04/1994 |
| 5341646 | Triple column distillation system for oxygen and pressurized nitrogen production The present invention relates to an improved cryogenic process for the separation of air to produce an oxygen product and a nitrogen product. The present invention employs a distillation column system with three distillation columns, a low pressure column... | 08/30/1994 |
| 5305610 | Process and apparatus for producing nitrogen and oxygen The present invention is a separation process for atmospheric gases. In the process, an atmospheric gas stream, for example air, is compressed and may be partly condensed prior to introduction into a vortex tube air separator. The performance of the tube ... | 04/26/1994 |
| 5257504 | Multiple reboiler, double column, elevated pressure air separation cycles and their integration with gas turbines The present invention is a liquid nitrogen reflux means improvement capable of allowing the operation of conventional dual and triple reboiler air separation cycles at elevated pressures. The improvement comprises: (a) heat exchanging a portion of the liq... | 11/02/1993 |
| 5251451 | Multiple reboiler, double column, air boosted, elevated pressure air separation cycle and its integration with gas turbines The present invention is a liquid nitrogen reflux means improvement capable of allowing the operation of conventional dual and triple reboiler air separation cycles at elevated pressures. The improvement comprises: (a) further compressing and cooling anot... | 10/12/1993 |
| 5251450 | Efficient single column air separation cycle and its integration with gas turbines The present invention is an improvement to a process for the cryogenic distillation of air to produce both nitrogen and oxygen products carried out in a single distillation column system wherein a feed air stream is distilled thereby producing a nitrogen ... | 10/12/1993 |
| 5224336 | Process and system for controlling a cryogenic air separation unit during rapid changes in production A process and system for controlling a cryogenic air separation unit during rapid changes in production. During operation of an air separation unit, demands for oxygen will vary and the pressure of the feed air will fluctuate. The changes in oxygen demand... | 07/06/1993 |
| 5165245 | Elevated pressure air separation cycles with liquid production The present invention relates to an improvement to a cryogenic process for the separation of air into its constituent components. In the process, a distillation column system having at least two distillation columns, a high pressure distillation column an... | 11/24/1992 |
| 5165244 | Process to produce oxygen and nitrogen at medium pressure The present invention is an improvement to a process for the separation of air into its constituent components in a cryogenic distillation column system having a high pressure column and a low pressure column which are thermally integrated with each other... | 11/24/1992 |
| 5141543 | Use of liquefied natural gas (LNG) coupled with a cold expander to produce liquid nitrogen The present invention relates to a process for the liquefaction of a nitrogen stream produced by separating air components, by using the combination of cryogenic distillation with improved refrigeration. Very cold liquefied natural gas (LNG) is employed a... | 08/25/1992 |
| 5139547 | Production of liquid nitrogen using liquefied natural gas as sole refrigerant The present invention relates to a process for liquefaction of a nitrogen stream produced by a cryogenic air separation unit. Cold liquid natural gas (LNG) is employed as refrigerant. A critical feature step of the invention is that the temperature of the ... | 08/18/1992 |
| 5137558 | Liquefied natural gas refrigeration transfer to a cryogenics air separation unit using high presure nitrogen stream The present invention relates to a process for the liquefaction of a nitrogen stream produced by separating air components using the combination of cryogenic distillation with improved refrigeration. Very cold liquid natural gas (LNG) is employed as refri... | 08/11/1992 |
| 5122174 | Boiling process and a heat exchanger for use in the process The present invention relates to a boiling process in a downflow heat exchanger and the heat exchanger itself with liquid distribution enhancing features which improve performance and allow safe and efficient operation. Performance enhancing features incl... | 06/16/1992 |
| 5122173 | Cryogenic production of krypton and xenon from air The present invention relates to a process for the production of krypton and xenon from a cryogenic air separation unit. The present invention simultaneously concentrates krypton and xenon while rejecting more than 90% of the methane present in the feed s... | 06/16/1992 |
| 5114449 | Enhanced recovery of argon from cryogenic air separation cycles The present invention relates to an improvement for the production of argon from cryogenic air separation processes. In particular, the improvement provides a better method of thermally linking the top of the crude argon column with the low pressure colum... | 05/19/1992 |
| 5069699 | Triple distillation column nitrogen generator with plural reboiler/condensers The present invention is a cryogenic process for the production of nitrogen by distilling air in a double column distillation system comprising a high pressure column and a low pressure column associated functionally with an extra high pressure (EHP) dist... | 12/03/1991 |
| 5067976 | Cryogenic process for the production of an oxygen-free and methane-free, krypton/xenon product The present invention relates to a process for the production of kryton and xenon by using an oxygen-free vapor stream to strip a liquid stream containing oxygen, krypton, methane, and xenon of methane and oxygen. This is accomplished by properly controll... | 11/26/1991 |
| 5063746 | Cryogenic process for the production of methane-free, krypton/xenon product The present invention relates to a process for the production of kryton and xenon by using a vapor stream containing greater than 2% oxygen to strip a liquid stream containing oxygen, krypton, methane and xenon of methane. This is accomplished by properly... | 11/12/1991 |
| 5049174 | Hybrid membrane - cryogenic generation of argon concurrently with nitrogen The present invention involves an efficient process for separating selected components of a gas stream by integrating a cryogenic separation unit and a membrane separation unit. Two embodiments provide for the concurrent generation of an argon-rich stream... | 09/17/1991 |
| 5049173 | Production of ultra-high purity oxygen from cryogenic air separation plants The present invention relates to an improvement for the production of ultra-high purity oxygen from cryogenic air separation processes which produce nitrogen and/or commercial purity oxygen products. In particular, the improvement comprises removing or pr... | 09/17/1991 |
| 5006139 | Cryogenic air separation process for the production of nitrogen The present invention is a cryogenic process for the production of nitrogen by distilling air in a double column distillation system comprising a high pressure column and a low pressure column. The critical step of the invention is the condensation of two... | 04/09/1991 |
| 5006137 | Nitrogen generator with dual reboiler/condensers in the low pressure distillation column The present invention is a cryogenic process for the production of nitrogen by distilling air in a double column distillation system comprising a high pressure column and a low pressure column. The critical step of the invention is the condensation of a n... | 04/09/1991 |
