| Patent Number |
Title Of Patent |
Date Issued |
| D424361 |
Extraction apparatus |
May 9, 2000 |
|
| 6398919 |
Extraction apparatus and method |
June 4, 2002 |
| Method for extracting an ingredient from plant, animal or mineral by heating water to create a vapor, contacting the ingredient under a state of decompression with the vapor, condensing the vapor by passing the vapor over one or more surfaces cooled by a thermoelectric cooler, and co |
| 5055200 |
Method of treating low-concentration turbid water |
October 8, 1991 |
| The present invention provides a method of treating low-concentration turbid water, which comprises adding an anionic coagulant and a cationic coagulant in this order and forcedly stirring the mixture. According to the present invention, low-concentration turbid water of even up to 100 |
| 5006639 |
Method of coagulating sludge |
April 9, 1991 |
| The present invention provides a method of coagulating sludge, which comprises adding sequentially an anionic polymer coagulant and a cationic polymer coagulant to sludge, and furthermore, adding an anionic polymer coagulant.According to the present invention, it is possible to coagulate |
| 4850268 |
Multi-purpose, mobile laboratory room |
July 25, 1989 |
| A multi-purpose laboratory room for mobile applications. The room comprises a housing structure having an airtight laboratory unit and an entrance unit, an air-conditioning and exhausting equipment unit to be installed in the upper part of the housing structure and a drain processing equ |
| 4707167 |
Air sterilization filter |
November 17, 1987 |
| An air sterilization filter for the containment of leakage prevention of biologically contaminated air in space for a biotechnological performance, such as a genetic engineering work. The filter comprises a heat durable sheet filter for collecting microorganisms suspended in air and a he |
| 4681210 |
Apparatus for feeding bars through a bending or like processing station |
July 21, 1987 |
| Apparatus for feeding a bar or several bars in a vertical pile along a predetermined horizontal path extending through a bending station, where the bars are bent into desired shape. A first conveyor has mounted thereto a first gripper assembly, which releasably grips the bar or bars, for |
| 4653367 |
Apparatus for cutting ribbed bars or the like into desired lengths |
March 31, 1987 |
| Two pairs of opposed feed rolls are rotatably mounted on the upstream and downstream sides, respectively, of a bar cutting mechanism with respect to the predetermined traveling direction of the bar. Each feed roll pair comprises a fixed feed roll on one side of the bar and a movable feed |
