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Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

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Class 436/3 - Leak detection


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Processes or compositions for a test in which a chemical
No. of patents: 111
Last issue date: 04/10/2012


    3  
NumberTitleIssue Date
4910803Apparel having a breach indicator
Disclosed is a composite material adaptable to form bodily fluid protection apparel that can alert a wearer that a breach in the apparel has occurred. The apparel comprises a first layer impervious to bodily fluid and a second layer supporting the first l...
03/27/1990
4822743Method and cloth for detecting leaks in closed bodies
A reusable indicating material for detecting leaks in sealed structures and other closed bodies comprises a fabric saturated with an indicator solution containing an acid-base indicator, a surfactant, a buffering system and a humectant. The indicator solu...
04/18/1989
4784959Method of detecting hydrocarbon fuel leaks
A method of and apparatus for detecting fuel leaks employing color variable indicators. The method comprises the steps of preparing and applying a water soluble non-staining indicator dye to a test surface, observing color changes indicative of hydrocarbo...
11/15/1988
4770028Hydrocarbon tank leak detection system
A leak detection system for detecting leaks of a hydrocarbon from an underground tank uses a dye that is soluble in hydrocarbon, but not in water. At least one riser pipe extends from a point adjacent the bottom of the tank to the surface. The lower end o...
09/13/1988
4748930Colorimetric gas dosimeter
A device for indicating the presence of a gas includes a closed housing having an interior wall with a color indicator disk on one side wall and an opposite wall having an opening with an inflow pipe for the inflow of the gas to be detected. The interior ...
06/07/1988
4745797Method and apparatus for detecting hydrocarbon fuel leaks
A method of and apparatus for detecting fuel leaks employing color variable indicators are disclosed. The method comprises the steps of preparing and applying a water soluble non-staining indicator dye to a test surface, observing color changes indicative...
05/24/1988
4735899Detection of airborne microorganisms
Disclosed is a process and test kit for determining the reliability of a barrier to microorganism passage. In accordance with the process, a multiplicity of non-self replicating particles is introduced into a first gas volume, disposed on one side of a ba...
04/05/1988
4725551Rapid leak detection system
A method and apparatus for the rapid detection and pinpoint location of leaks in one or more of a plurality of subsurface fluid storage tanks. A quantity of tracer material such as a fluorinated halocarbon compound is mixed with fluids in each of the plur...
02/16/1988
4709577System for continuously monitoring for leaks in underground storage tanks
An apparatus and method for detecting leaks from underground gasoline storage tanks and the like by routine or periodic soil samples tested for a particular tracer. A fluorinated halocarbon compound tracer having a boiling point less than that of gasoline...
12/01/1987
4710353Corrosive liquid leak detecting sensor
A detector for detecting leaks of a corrosive liquid such as strong acids or bases is provided comprising a light guide core having a covering which generates heat upon contact with the liquid to the detected, thereby changing the light transmissivity of ...
12/01/1987
4673652Method of testing and reconditioning insulating tubular conduits
A non-destructive on-site method of inspection, and testing of the insulating performance and reconditioning of a concentric insulating tubular conduit member is disclosed. The insulating tubular conduit members comprise concentric walled members with an ...
06/16/1987
4636475Apparatus and method for monitoring stored material
An apparatus and method for monitoring stored material is disclosed. Material to be stored and monitored is placed within the innermost container of a series of nested containers and monitoring fluids are circulated in a closed loop of fluid flow through ...
01/13/1987
4615828Method and apparatus for detecting hydrocarbon fuel leaks
A method of and apparatus for detecting fuel leaks employing color variable indicators. The method comprises the steps of preparing and applying a water soluble non-staining indicator dye to a test surface, observing color changes indicative of hydrocarbo...
10/07/1986
4551154Gas tracer composition and method
The invention provides a method for tagging methane by adding thereto one or more of the tracer compounds sulfur hexafluoride and chloropentafluoroethane. The methane being tagged is noramlly being stored in underground storage fields to provide identity ...
11/05/1985
4529703Monitoring flow-rate changes of a plurality of fluid streams
Changes in the flow-rates of each one of a plurality of fluid streams which pass from respective conduits (13) to a common conduit (12) are monitored by taking a representative sample of fluid from a sampling point (16) of the common conduit, determining ...
07/16/1985
4408480Gas leak detector viewer
A viewer for improving the visibility of Halide gas leak detectors, and comprising an observation tunnel embracing the flame shield of the detector at one closed end, open at the other end for closure by the face of the person making the observation direc...
10/11/1983
4388407Process and apparatus for the rapid determination of the characteristics of a petroleum pollutant
Process and apparatus for on the site determination of the characteristics of an oil-pollutant containing water. The determinaton includes the use of a combination of devices designed to permit the on-site determination of the water content and specific g...
06/14/1983
4288402Acid field test kit for refrigeration oils containing a leak detector
A field test kit which uses a single vial is useful in testing acidity in refrigeration oils contaminated with a colored leak detector. This vial contains a pre-measured indicator solution and has sufficient additional volume that the test oil can be adde...
09/08/1981
4222745Indicator for detection of SO2 leakage
A composition of matter comprising a mixture of (1) finely divided silica containing adsorbed potassium dichromate and (2) a polymeric adhesive material. The composition is particularly useful as an indicator for detecting the leakage of sulfur dioxide fr...
09/16/1980
4204838Method of analysis
Method for detecting the presence of a substance contained in a fluid medium, which medium also contains particulate matter therein, comprising the addition of at least a portion of the fluid medium to a leaf material capable of separating by diffusion th...
05/27/1980
4148610Batch preparation of samples by dilution
In the automated, batch preparation of diluted samples, i.e., the preparation of sample/diluent aliquots of repetitively and exactly maintained fixed ratio, metered diluent is pneumatically introduced into a vented mixing chamber, using the principle of g...
04/10/1979
4113673Coating composition for leak detection in air test
A coating composition for leak detection in an air test, consists of an aqueous solution containing from 1.6 to 9.6 wt% of soluble starch, from 0.04 to 0.75 wt% of water-soluble acrylic resin, from 0.05 to 0.5 wt% of gelatin, and from 0.5 to 1.0 wt% of a ...
09/12/1978
4106428Safety shield for flange type coupling
An improved shield for a pipe joint is described that includes an elongated body to be wrapped around a pipe coupling, formed from a strip of pliable fabric. One or more fabric liner strips is disposed within the body, and means are provided for separably...
08/15/1978
4064036Pressure testing of catalyst loaded reactors
In the pressure testing of catalyst-loaded reactors with nitrogen gas at elevated temperatures, it is found that certain types of zeolite catalysts are substantially degraded in activity. The catalysts concerned comprises a Group VIII noble metal in an ox...
12/20/1977
4047424Apparatus for non-destructive leak testing of primary electrochemical cells
Apparatus comprising a conveyor adapted to move a plurality of test receptacles along a given path. Spaced along the path are means for adding a test fluid to the receptacles; first means for checking a desired parameter of the test fluid; means for inser...
09/13/1977
4002055Process and apparatus for testing the tightness of seam joints of synthetic resin sheets by means of vacuum
An apparatus for testing the strength and/or the leakproofness of seams or joints formed between synthetic resin sheets comprising a semicylindrical shell of transparent material having rounded closed-in portions and forming with its peripheral edges, sea...
01/11/1977
3991360Sensor assembly for a halogen gas leak detector
A sensor assembly for a halogen gas leak detector characterized by including a tubular, porous, high purity Alumina (Al2 O3) element for supporting electrode and heater components in spaced-apart relationship relative to one another ...
11/09/1976
3988920Method for detecting a leak in a reaction tube when forming a IIIA-VB compound
In an apparatus for the preparation of compounds in which one of the components is a highly volatile reactive component, in particular when preparing gallium phosphide, under pressure in an ampoule located in a pressure vessel, between 0.5 and 25% by volu...
11/02/1976
3981701Method and apparatus for controlling a volatile substance
In controlling a volatile substance, for example in controlling the release of ethylene oxide for use in a sterilization apparatus, the volatile substance is contained under pressure in a confined system and the latter is immersed in a fluid. The fluid is...
09/21/1976
3969077Alkali metal leak detection method and apparatus
A method and apparatus for detecting a leak of an alkali metal in liquid form in a structure such as the heat transfer system of a nuclear reactor. When alkali metal leaks from its containment structure and thereupon comes into contact with a compound con...
07/13/1976
3955929Gas detecting sensor
Gas detecting sensor made of SnO2 characterized by containing less than 5% by weight of at least one of Al2 O3, ZnO, SrO and BaO and less than 1% by weight of chlorine. The gas detecting sensor has a high sensitivity selec...
05/11/1976
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