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Class Information
Number: 210/776
Name: Liquid purification or separation > Processes > Separating > Skimming
Description: Process wherein scum or floating matter is removed from the mixture surface by skimming.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4176062 |
Process for the separation of foam from effluents of coke oven plants |
Nov. 27, 1979 |
| 4162973 |
Water polishing system |
Jul. 31, 1979 |
| 4151081 |
Process and plant for hydromechanical recovery of a fluid spread in a thin layer on the surface of another liquid |
Apr. 24, 1979 |
| 4146477 |
Material recovery apparatus |
Mar. 27, 1979 |
| 4136008 |
Ocean oil skimmer for continuous removal of oil from the open sea method |
Jan. 23, 1979 |
| 4126551 |
Method and apparatus for handling solvent extraction crud |
Nov. 21, 1978 |
| 4119541 |
Arrangement for disposing of fluid floating matter |
Oct. 10, 1978 |
| 4116833 |
Method and apparatus for removing contaminants from bodies of water |
Sep. 26, 1978 |
| 4100066 |
Treating paint waste solids |
Jul. 11, 1978 |
| 4061569 |
Oil recovery apparatus and method |
Dec. 6, 1977 |
| 4059962 |
Floating skimming barrier assemblies |
Nov. 29, 1977 |
| 4057498 |
Concentrators for recovering liquid pollutant floating on the surface of a sheet of water |
Nov. 8, 1977 |
| 4053406 |
Apparatus and method for recovering oil from icy waters |
Oct. 11, 1977 |
| 4053395 |
Method for producing methane gas by processing waste materials |
Oct. 11, 1977 |
| 4043912 |
Clarification tank |
Aug. 23, 1977 |
| 4038185 |
Scum control system for peripheral feed channel of sedimentation tank |
Jul. 26, 1977 |
| 4031707 |
Cryothermal manipulation of petroleum spills on water |
Jun. 28, 1977 |
| 4021344 |
Oil pick up device |
May. 3, 1977 |
| 4014795 |
Oil boom for collecting and skimming oil on a water surface |
Mar. 29, 1977 |
| 4013561 |
Separators |
Mar. 22, 1977 |
| 4011164 |
Skimmer apparatus for sewage settling tanks and the like |
Mar. 8, 1977 |
| 4008156 |
Device for sucking the upper layer of a polluted water surface |
Feb. 15, 1977 |
| 4007119 |
Methods and apparatus for skimming liquids |
Feb. 8, 1977 |
| 4006082 |
Process for emergency small spill control |
Feb. 1, 1977 |
| 4006086 |
Apparatus for removal of oil films from water |
Feb. 1, 1977 |
| 4001114 |
Waste water treatment process |
Jan. 4, 1977 |
| 3992290 |
Method for coalescing oil using a brominated monoolefin resin |
Nov. 16, 1976 |
| 3983034 |
Apparatus and method of removing debris floating on a body of water |
Sep. 28, 1976 |
| 3980559 |
Method and an apparatus for collecting substances and objects on a liquid surface |
Sep. 14, 1976 |
| 3979291 |
Oil boom and method of skimming floating oil from the surface of a body of water |
Sep. 7, 1976 |
| 3970556 |
Floating skimmer for cleaning the surface of a body of liquid, method and apparatus |
Jul. 20, 1976 |
| 3968041 |
Apparatus for collecting oil slick from a body of water |
Jul. 6, 1976 |
| 3966613 |
Apparatus for spilling retrieval |
Jun. 29, 1976 |
| 3966614 |
Oil spill cleanup system |
Jun. 29, 1976 |
| 3966615 |
Oil collection barge |
Jun. 29, 1976 |
| 3962093 |
Apparatus for removing contaminants from the surface of a fluid |
Jun. 8, 1976 |
| 3959136 |
Oil spill cleanup method and apparatus |
May. 25, 1976 |
| 3957646 |
Installation for removing pollutants from waterways |
May. 18, 1976 |
| 3951816 |
Clarification tank |
Apr. 20, 1976 |
| 3951810 |
Oil skimmer module with free floating weir trough |
Apr. 20, 1976 |
| 3951800 |
Method of storing sludge recovered from the hot water extraction of bitumen from tar sands |
Apr. 20, 1976 |
| 3947360 |
Environment protective oil skimming and removal apparatus |
Mar. 30, 1976 |
| 3947355 |
Apparatus and process of separating packing house waste |
Mar. 30, 1976 |
| 3944489 |
Apparatus for pumping oil-water mixture from a collection vessel of a floating oil collector into settling tanks |
Mar. 16, 1976 |
| 3935103 |
Apparatus for separating low-density liquid from a relatively more dense liquid substantially immiscible therewith |
Jan. 27, 1976 |
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