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

Icon_funbox Bizarre Patents

Patent No. 5983411

Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

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 73/61.68 - Including detail of fluid handling means, sampling, sample handling, or sample preparation


Subclass of Class 73 - Measuring and testing
Definition: Subject matter combined with sampling means wherein significance
No. of patents: 16
Last issue date: 06/27/2006


NumberTitleIssue Date
7066037Method for measuring properties of a particle distribution
A method and a device for measuring properties of a particle distribution, in which a parameter relating to the mobility of the particles is measured at one measuring point (302) and a parameter relating to the aerodynamic size of the particles is measured at...
06/27/2006
6811706Activated sludge process optimization
An apparatus and a method for controlling and optimizing the performance of the activated sludge process and the plant or process so controlled by measuring the parameters of most importance over time, i.e., the sludge's settling, compacting, and flocculating charac...
11/02/2004
6632679Method to determine the speed of sedimentation of blood and other parameters correlated thereto, and relative apparatus
Method and apparatus to determine the speed of sedimentation of blood and other parameters connected thereto, said method being carried out by detecting the development over time of the optical density, or absorbance, of a sample of blood, said sample bei...
10/14/2003
5916814Presealed integral hematocrit test assembly and method
A presealed integral hematocrit test assembly includes a holder, a bore molded into the holder, and a blood sample tube mounted on the holder adapted to receive a sample of blood by capillary action, whereby the blood sample tube is filled with blood from...
06/29/1999
5844128Method and apparatus for rapid determination of blood sedimentation rate
An apparatus and method for rapid determination of erythrocyte sedimentation rates for a blood specimen (29) which can be linearly transposed to Westergren sedimentation rates. The method includes the steps of inducing accelerated rouleaux formation in th...
12/01/1998
5827746Method to determine the sedimentation of blood and relative device
Method and apparatus to determine the sedimentation of blood. A blood sample is taken, and an anti-coagulant substance is added. The sample is homogenized. The method includes a step of measuring an optical density, or absorbance, of the sample as a funct...
10/27/1998
5809825Sampling device for aerated liquids
A device for the determination of the rate of sedimentation of particles in a sample of a liquid and controlling the addition of a flocculant to the liquid in accordance with the rate of sedimentation so determined. The device comprises a sample container...
09/22/1998
5594164Method and apparatus for rapid determination of blood sedimentation rate
An apparatus and method for rapid determination of erythrocyte sedimentation rates for a blood specimen (29) which can be linearly transposed to Westergren sedimentation rates. The method includes the steps of inducing accelerated rouleaux formation in th...
01/14/1997
5498328Apparatus for selectively sampling filter backwash fluid
This invention relates to monitoring apparatus and, in particular, but not exclusively to such apparatus for use in association with mains water supply facilities. A water works 10 has a water main 12, in which is located a filtration unit 13 having a fil...
03/12/1996
5431037Sedimentation rate measuring device and sampler therefor
This invention relates to a device and method for the determination of the rate of sedimentation of particles in a liquid and for controlling the addition of a flocculant to the liquid in accordance with the sedimentation rate so determined. The apparatus...
07/11/1995
5186792Apparatus for making dry sheet-like sample of solid particles from a suspension
In a method and apparatus for making a dry sheet-like sample of solid particles from a suspension, a part of the suspension is sampled by a sampling unit as it flows through a pipe or while it is retained in a storage tank, then the sampled suspension is ...
02/16/1993
4318296Sampling equipment for sedimentation rate measuring
Sampling equipment is provided for sensing and controlling the settling rate of a flocculated slurry suspension in a settling tank, the sampling equipment comprises a metering device (23) including a vertical settling chamber for repeatedly taking a sampl...
03/09/1982
4282745Particle size determination
In order to determine the proportion of particles of less than a predetermined size in a fluid suspension, the fluid suspension is placed in a vessel (1) and is thoroughly mixed therein by mixing means (36,37). A sample of suspension is then withdrawn fro...
08/11/1981
4197735Blood sedimentation rate test means
Means for conducting a blood sedimentation rate test in the primary blood collecting vessel. The invention provides a plunger for said primary blood collecting vessel, a calibrated measuring tube connected to said plunger, and pressure actuated, normally ...
04/15/1980
4187719Apparatus to determine the sedimentation rate of red blood cells
Apparatus for the determination of the sedimentation rate of red blood cells comprising a sedimentation tube adapted to hold a blood column, and a closure valve on one end of the sedimentation tube with said closure valve having a self-sealing valve means...
02/12/1980
4178796Method and apparatus for particle size analysis
An on-line particle size analyzer which is able to take measurements on material flowing along a line in real time and thus enable automatic process controls to be effected. The apparatus periodically takes a sample of material, dilutes it to a predetermi...
12/18/1979
 
Sign InRegister
Username  
Password   
forgot password?