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Class 220/217 - With liquid gasket


Subclass of Class 220 - Receptacles
Definition: Devices including a confined liquid acting at the juncture
No. of patents: 17
Last issue date: 03/20/2001


NumberTitleIssue Date
6202876Push and twist locking child-resistant and container
The present invention is a push and twist locking child-resistant cap and container. It includes a squeeze tube container having a neck and a dispensing orifice at an outer end of the neck, and the neck has one of a locking track and a locking lug. There ...
03/20/2001
5829621Guide pole fitting seal for floating roof storage tanks
A guide pole fitting seal for use on floating roof tanks that incorporates a well gasket, pole sleeve, pole wiper, float and float wiper that may be used with guide poles to control emissions from the guide pole fitting. The guide pole seal may permit the...
11/03/1998
5590808Reusable ribbed beverage container for use with vehicle beverage holders
A reusable beverage container for hot or cold beverages is for use in vehicle beverage holders with receptacles sized for twelve ounce beverage cans. The container has a first lower portion of a diameter approximating or less than the diameters of standar...
01/07/1997
5560509Guide pole fitting seal for floating roof storage tanks
A guide pole fitting seal for use on floating roof tanks that incorporates a well gasket, pole sleeve, pole wiper, float and float wiper that may be used with guide poles to control emissions from the guide pole fitting. The guide pole seal may permit the...
10/01/1996
5547101Acid tank closing device
A water seal device for closing a tank containing a corrosive product, such as acid, closed by a cover having a side lip which is able to engage, on closing, in a U-shaped channel provided along the upper edge of the side wall. The channel is made up of m...
08/20/1996
5529757Apparatus for reducing emissions of pollutants
An apparatus is also described for reducing pollutant emissions into the surrounding air from storage of liquid materials in a tank having a cover which is movable in the vertical direction in the tank and moves along with the fill level of the liquid mat...
06/25/1996
5423895Sludge digesters with separate liquid chambers to buoy ballast members
A gas-holding sludge digester is disclosed having a sideskirt which telescopes in a liquid chamber which is separate from a main digester tank and wherein the ballast is structured to increase gas pressure of the gas contained within the cover as the side...
06/13/1995
5238844Sludge digester
A sludge digester having a main tank in conjunction with a gas-holding cover is disclosed. The cover includes a roof and a depending sideskirt which telescopes in relationship to the main tank. Positioned at the bottom edge of the sideskirt are a multitud...
08/24/1993
5150805Fluid seal apparatus
The apparatus of the invention is applicable to gasholders and comprises a mercury seal, e.g. for a gas holder, which seal provides fluid-tight sealing in an annular space formed between a cylinder and a piston. The mercury is deposited in a reservoir whi...
09/29/1992
5092482Sludge digesters with separate liquid chambers to buoy ballast members
A sludge digester gas-holder is disclosed having a gas-holding cover with ballast members submergible in a liquid medium contained within a chamber circumscribing the upper portion of the tank wall and separate from the main tank cavity....
03/03/1992
4936089Gas turbine plant system and gas pressure stabilizer thereof in emergency
Disclosed herein is a gas turbine system which is supplied with a low-pressure industrial by-product gas as a fuel and equipped coaxially with a gas compressor for compressing the fuel gas, the system providing a bypass pipeline for returning the gas in a...
06/26/1990
4851275Covering used to protect water conditions of nursery pool from damage by acid rain and extraordinary temperatures
This invention discloses a covering comprising a floating member shaped as a square loop, one pair of opposite portions of which are inflatable members, and a water-proof sheet having a nipple downwardly formed thereon, which is loosely stretched inside t...
07/25/1989
4658868Asphalt pumping system and method
A method and apparatus for recovering viscous fluid such as asphalt, which utilizes an elongated insulated buoyant housing with an elongated heating element disposed therein. The heating element extends through the elongated housing and out at an open end...
04/21/1987
4230138Method of storing heavy hydrocarbon oil and vessel therefor
Heavy hydrocarbon oil having a pour point higher at least than the environmental temperature is loaded into a storage vessel in a state heated up to a temperature above its pour point and is cooled down to a temperature below the pour point to be stored i...
10/28/1980
4209271Storage tank with liquid insulator for storing cryogenic fluids using water displacement
A liquefied gas storage tank having insulated vertical walls and an insulated top, said tank being located in and surrounded by a body of water with the exterior water level below the top of the tank walls, the tank interior space containing a layer of wa...
06/24/1980
4139116Cabinet with two or more drawers
The present invention relates to a cabinet having two or more drawers, more specifically for safe-keeping of records such as papers, documents, file cards or the like, comprising at least one vertical, pivotally mounted locking bar of substantially unifor...
02/13/1979
4022697Sealed sedimentation device
An apparatus for separating solids from liquids by sedimentation includes a covered tank in which a sediment-engaging raking structure is journaled for rotation about a central support pier. The raking structure is driven by a unit which travels about the...
05/10/1977
 
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