U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5970981

Mouthguard made at least partially from an edible candy

A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 96/110 - Fluid flow sensing means


Subclass of Class 96 - Gas separation: apparatus
Definition: Apparatus which is provided with means to detect fluid flow
No. of patents: 43
Last issue date: 07/28/2009


1    
NumberTitleIssue Date
7566358Fuel storage tank pressure management system and method employing a carbon canister
A carbon canister to adsorb hydrocarbons from a hydrocarbon air mixture in a UST system to prevent fugitive emissions due to overpressurization. The carbon canister has an inlet port at one end coupled to the UST system. An outlet port on the opposite end of the can...
07/28/2009
7407528Method for operating an air fractionization installation for obtaining oxygen on board an aircraft
The method serves for operating an air fractionization installation for obtaining oxygen on board an aircraft, with at least two molecular sieve chambers. A part mass flow of the oxygen obtained in the respective adsorbing molecular sieve chamber is supplied for flu...
08/05/2008
7338550Axle assembly with purge reservoir for air dryer
An axle assembly includes an axle beam with an inner cavity that forms a purge reservoir. The purge reservoir is fluidly connected to an air dryer with a purge valve. The air dryer is part of a vehicle air supply system that supplies air from a compressor to storage...
03/04/2008
7264647Device for enriching air with oxygen in an aircraft, and a method for operating the device
A device for enriching air with oxygen in an aircraft, and a method for operating the device provides product gas enrichment with oxygen with minimum requirements. An oxygen measurement apparatus analyzing the product gas flow as well as a throughput sensor are prov...
09/04/2007
7201039Axial flow scan testable filter system
A filter system having in-situ scan capabilities is provided. In one embodiment of the invention, the system includes a downstream probe which may be rotated to scan the field of a filter installed in the system. The probe may be utilized for leak detection, velocit...
04/10/2007
7135059Portable gas fractionalization system
A portable gas fractionalization apparatus that provides oxygen rich air to patients is provided. The apparatus is compact, lightweight, and low-noise. The components are assembled in a housing that is divided into two compartments. One compartment is maintained at ...
11/14/2006
7090474Diaphragm pump with overfill limiter
A diaphragm pump which overcomes the problem of diaphragm failure due to overfill of the oil transfer chamber. An overfill preventive element in the form of a mechanical stop, a fully closed coil spring, or a valve system, or alternatives are provided. ...
08/15/2006
7025801Method for controlling a unit for the treatment by pressure swing adsorption of at least one feed gas
The treatment unit comprises N adsorption units, N being greater than or equal to 1, operating on a parametrized cycle split uniformly into at most N phase times. Further more, use is made of a control unit for controlling the treatment unit, designed to modify at l...
04/11/2006
7011693Control of a hydrogen purifying pressure swing adsorption unit in fuel processor module for hydrogen generation
A PSA unit for purifying hydrogen in a fuel processor system. The PSA unit employs rotary valves that cycle the pressurization of vessels, including an adsorbent, between a high pressure state and a low pressure state. The purified hydrogen is released from the vess...
03/14/2006
7001445Ambient air pollution trap
The invention relates to a method and an apparatus for cleaning ambient air of a vehicular adsorption unit (8). The vehicle includes a combustion engine (1) and a passenger ventilation system (5, 6, 7, 8, 9, 10, 11). Adsorption takes place wheth...
02/21/2006
6997970Oxygen/inert gas generator
A gas generation method and apparatus, capable of use in an aircraft, generates oxygen with at least one On Board Oxygen Generating System (OBOGS) and generates an inert gas with at least one On Board Inert Gas Generating System (OBIGGS) and selectively supplies an ...
02/14/2006
6960246Oxygen concentrating apparatus
An apparatus for generating an oxygen enhanced gas by removing nitrogen gas from air, includes a compressor, absorption columns for removing the nitrogen gas from the pressurized air supplied from the compressor, a flow rate measuring device provided downstream of t...
11/01/2005
6949133Portable oxygen concentrator
A compact and highly portable combination pressure swing adsorption apparatus and product gas conservation device for medical use, to produce efficiently a gas with a high concentration of oxygen and to deliver the oxygen concentrated gas to a user at selectable tim...
09/27/2005
6939396Ambient air pollution trap
The invention relates to a method and an apparatus for cleaning ambient air of a vehicular adsorption unit (8). The vehicle includes a combustion engine (1) and a passenger ventilation system (5, 6, 7, 8, 9, 10, 11). Adsorption takes place wheth...
09/06/2005
6923849Hydrocarbon adsorbent state determining apparatus
A hydrocarbon adsorbent state determining apparatus is provided for compensating the ability of a hydrocarbon adsorbent to adsorb moisture for fluctuations due to a change in the flow velocity of exhaust gases to accurately determine the state of the hydrocarbon ads...
08/02/2005
6920802Adsorption trap for the detection of surface-active agents in gas streams
A method and apparatus are provided for adsorbing surface-active compounds, such as corrosion inhibitors and water, from pressurized gas streams utilizing existing gas pipeline sampling valves. The apparatus includes an adsorption trap assembly containing an adsorpt...
07/26/2005
6918953Modular pressure swing adsorption process and apparatus
A pressure swing adsorption (PSA) system including a first group of PSA modules having a plurality of first PSA modules, and a second group of PSA modules having a plurality of second PSA modules. The system includes a feed gas manifold, a product manifold, and a wa...
07/19/2005
6835231Adsorption process and apparatus for nitrogen production and drink dispensing device making use of the apparatus
In a process for the production of nitrogen by adsorption on carbons or similar molecular sieves contained in a cylinder (2), the amount of Q1 of nitrogen obtainable from the cylinder at the required purity at the cylinder pressure Pp is calculated; co...
12/28/2004
6712876Oxygen concentrator system with altitude compensation
An oxygen concentrator system with altitude compensation includes at least one oxygen concentrator sub-system and a plenum subsystem. The at least one oxygen concentrator sub-system produces oxygen enriched product which is outputted to both the oxygen concentrator ...
03/30/2004
6576043Recovery of nitrogen and light hydrocarbons from polyalkene purge gas
A method for the separation of a gas mixture comprises (a) obtaining a feed gas mixture comprising nitrogen and at least one hydrocarbon having two to six carbon atoms; (b) introducing the feed gas mixture at a temperature of about 60° F. to about 105° ...
06/10/2003
6571489Method and device at a single chamber air drier
For a single chamber air drier in a compressed air system on a vehicle the volume of dry regeneration air required to regenerate a desiccant in the air drier has to be determined. This can be accomplished in that data regarding system pressure, outdoor te...
06/03/2003
6497755Air flow control in a gas fractionalization system and associated method
A system and method for improving the efficiency of a gas fractionalization system of the type having a compressor having an inlet for receiving air from the ambient environment. The system includes a sensor for sensing a parameter indicative of the flow ...
12/24/2002
6342090Gas generating system with multi-rate charging feature
The present invention is directed to an apparatus for supplying gas at a first pressure and at a second pressure. The apparatus includes a gas generating system having a gas generating system outlet. A flow switch is in communication with the gas generati...
01/29/2002
5928415Selection device for providing one or the other of two gases to an apparatus
A selection device for delivering one of two gases to an apparatus includes an apparatus having an inlet and an outlet, and a gas delivery line connected to the inlet of the apparatus. A first feed line and a second feed line for respectively feeding a fi...
07/27/1999
5571477Equipment for sampling and work-up for analysis of PAH and other organic compounds, and hydrogen fluoride and sulphur oxides
Equipment samples and processes for analysis PAH and other organic compounds, as well as hydrogen fluoride and sulphur oxides in air and in gas in production equipment. The equipment comprises a layered adsorption device 1 in which the adsorbents are dry....
11/05/1996
5288311Device of supplying a concentrated CO2 gas in a carbonate spring bath system
A carbonate spring bath system includes a supplying device of a CO2 gas, a dissolving device of the CO2 gas into a bath water, and a bathtub. The supplying device of the CO2 gas comprises a combustor for obtaining a combus...
02/22/1994
5269834Process for removal of inert gases from liquid chlorine and system therefor
A method and system for treating liquid chlorine to remove inert gases therefrom. Liquid chlorine is treated by passing it through a molecular sieve having a molecular pore diameter greater than the molecular diameter of the inert gases and smaller than t...
12/14/1993
5122165Removal of volatile compounds and surfactants from liquid
A process system and apparatus for removal of toxic volatile organic compounds (VOCs), volatile inorganic compounds (VICs) and surfactants from a contaminated liquid stream, more particularly groundwater, by a combination of pH adjustment, chemical reacti...
06/16/1992
4895580Gas treating apparatus
A gas treating apparatus for removing solvent from a treatment-object gas. The apparatus has an adsorbing member formed mainly of activated carbon capable of adsorbing the solvent. The adsorbed solvent trapped on the adsorbing member is desorbed therefrom...
01/23/1990
4867766Oxygen enriched air system
Enriched oxygen from a pressure swing adsorption system and air are blended to provide oxygen enriched air of desired purity, particularly for use at flow rates between those for which liquid oxygen and on-site cryogenic air separation plants are desirabl...
09/19/1989
4822384Oxygen enriching apparatus with means for regulating oxygen concentration of oxygen enriched gas
An apparatus for producing an oxygen enriched gas having a compressor for supplying air under pressure, a unit for producing a gas enriched with oxygen from the air supplied from the compressor, a gas storage tank for reserving the oxygen enriched gas pro...
04/18/1989
4784675Cabinet controller
A controller is associated with a cabinet which contains apparatus and components for performing operations or conducting processes. Associated with the cabinet is a housing within which is contained an air filtration material. Air is admitted and propell...
11/15/1988
4761165Pressure swing adsorption control method and apparatus
The present invention provides a method and apparatus for automatically controlling product repressurization in a pressure swing adsorption (PSA) process. According to the invention the same valve employed for withdrawing product from a bed during adsorpt...
08/02/1988
4725293Automatic control for Pressure Swing Adsorption system
A Pressure Swing Adsorption (PSA) system uses a constant cycle time and a control system to essentially automatically and continuously modify air input flow in order to insure that the produced nitrogen contains only a preselected range of an impurity whi...
02/16/1988
4681099Breath-synchronized concentrated-oxygen supplier
A breath-synchronized concentrated-oxygen supplier comprising an oxygen concentrator for producing and storing oxygen-enriched gas, and a buffer tank having an inlet connected to the oxygen concentrator and an outlet for temporarily storing the oxygen-enr...
07/21/1987
4648888Oxygen concentrator
An oxygen concentrator having one or more molecular sieve beds for selectively adsorbing nitrogen from atmospheric air for increasing the oxygen concentration of a product gas, a reservoir for receiving the product gas, a surge tank, a compressor for char...
03/10/1987
4558636Protective shelter flow control apparatus
A flow control apparatus for a protective shelter including valve means to allow preselected maximum and minimum amounts of air flow into the shelter depending upon ambient contaminant concentrations....
12/17/1985
4351649Control system for gas dehydrators
A control system controls a plurality of gas dehydrators in which each dehydrator has a dessicant bed. The system includes sensors sensing parameters of gas entering and leaving each dehydrator which provide corresponding signals. First valve apparatus co...
09/28/1982
4315759Adsorption process producing chronologically constant amount of a residual gas
An adsorption process for purifying or fractionating a gaseous feed mixture comprises an adsorption phase, at least one expansion phase, a purging phase and at least one pressure build-up phase. The expansion phase(s) and the purging phase produce residua...
02/16/1982
4306889Adsorber device for gas drying and desiccant regeneration
An adsorber device for drying compressed gas comprises a first and a second chamber which operate alternately on drying and on regenerating the desiccant contained in the chambers. Regenerating is accomplished by branching-off a partial flow of dried gas ...
12/22/1981
1    
 
Sign InRegister
Username  
Password   
forgot password?