1
Gregory W Henzler: Carbon dioxide pellet blast and carrier gas system. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, May 27, 1997: US05632150 (60 worldwide citation)

An improved blast cleaning system and an improved method of blast cleaning using solid carbon dioxide pellets is provided. A compressed air source--preferably an air compressor--is used to produce a compressed air or carrier gas stream which is cooled to the desired temperature by injection of a cry ...


2
Jim M Venetucci: Apparatus to cool particulate matter for grinding. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, January 31, 1984: US04428535 (53 worldwide citation)

In an insulated mixing and cooling chamber having a feed auger to deliver cooled particles to a grinder and an intromitter auger rotatable around the feed auger to mix the particles within the chamber, independent variable speed, reversible motors operate the intromitter and feed augers, whereby the ...


3
Roger F Gyger, Gary D Lang, Kenneth L Burgers: Food freezer. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, August 27, 1991: US05042262 (47 worldwide citation)

A food freezer having a mechanical refrigeration system comprising first and second closed-loop fluid circuits, wherein the first fluid circuit employs carbon dioxide as its refrigerant and transfers heat to the second fluid circuit, which in turn transfers heat to the environment or to another flui ...


4
Jim M Venetucci, John C Orfe: Deoxygenation of liquids. Liquid Carbonic Corporation, Fitch Even Tabin Flannery & Welsh, March 31, 1981: US04259360 (34 worldwide citation)

A system for significantly reducing the dissolved oxygen content of a liquid. Liquid is pumped from a supply source to a deoxygenation chamber through a line containing a sparger for injecting a gas, such as nitrogen, as bubbles having an average size of not greater than about 5 mm. The sparger is s ...


5
Lewis Tyree Jr, James R Missig, George D Rhoades: Cryogenic cabinet freezer. Liquid Carbonic Corporation, Fitch Even Tabin Flannery & Welsh, November 2, 1982: US04356707 (33 worldwide citation)

A cabinet cooler or freezer which efficiently utilizes cryogenic refrigeration either with or without mechanical refrigeration. The freezer intermittently freezes relatively large batches of food by efficiently utilizing the natural expansion effect of a liquid cryogen, in combination with mechanica ...


6
Lewis Tyree Jr, Martin M Reynolds, Gary D Lang: N.sub.2 tunnel freezer. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, November 15, 1988: US04783972 (30 worldwide citation)

A cryogenic freezer having a thermally insulated tunnel-like enclosure with an entrance and an exit and means for conveying products being frozen therethrough. Products are contacted with liquid cryogen at a region generally near the entrance and a blower located closer to the entrance than to the e ...


7
George D Rhoades, Robert J Golueke: Process to increase natural gas methane content. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, February 21, 1995: US05390499 (28 worldwide citation)

The present invention is directed to a process for purifying natural gas to provide a liquified natural gas product which is substantially pure methane. In the process, a natural gas feed stream is introduced into indirect countercurrent heat exchange in a first heat exchanger to cool the natural ga ...


8
Gary D Lang, Donald S Finan, George D Rhoades: Helical conveyor freezer. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, September 4, 1990: US04953365 (27 worldwide citation)

A food freezer having a thermally insulated enclosure wherein an endless conveyor having a lower loading section, a main helical section and an uppermost unloading section is primarily driven by engagement between its inner edge and the sidewall of a rotatable center cage, which includes a plurality ...


9
Gary D Lang: Helical conveyor freezer. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, April 27, 1993: US05205135 (26 worldwide citation)

A food freezer for continuous freezing of food products utilizing a helical conveyor for transporting the food products through an enclosure having a first cooling zone in which the food products are cooled sufficiently to freeze the exterior surface, and a second cooling zone in which the interior ...


10
John S Fenty: Freezer conveyor. Liquid Carbonic Corporation, Fitch Even Tabin & Flannery, January 11, 1994: US05277301 (23 worldwide citation)

A conveyor freezer employing a self-supporting conveyor arranged in a helical stack for carrying discrete food items into the freezer, through the helical stack for a predetermined period of time, and out of the freezer. A major portion of the weight of the helical belt stack is supported by a rotat ...



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