Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7467559 | Apparatus and methods for sample handling and rheology analysis Apparatus and methods are described for isolating or manipulating a portion of a sample at non-ambient temperatures and pressures. One apparatus embodiment of the invention comprises a primary sample containment vessel defining a primary chamber, the vessel having a... | 12/23/2008 |
| 7314759 | Continuous fluid sampler and method A method of using an aseptic sampling arrangement. The sampling arrangement includes a septum cartridge and a securing element for use with a fluid enclosure. A locking arrangement is provided to allow selective access to the septum cartridge and the securing elemen... | 01/01/2008 |
| 7293477 | Disposable, pre-sterilized fluid receptacle sampling device The present invention provides a fluid sampling device comprising a port insert, a plurality of flexible conduits, and a plurality of sample containers. The port insert comprises a body having a plurality of shafts therethrough and sample gating means for individual... | 11/13/2007 |
| 7052914 | Automated method for examining catalytic and spectroscopic properties of the components of combinatorial libraries The invention relates to an automated method for carrying out reactions with high spatial resolution on libraries of different materials and for analysis of the products obtained using a simple robot system and an analyzer, for example a mass spectrometer. ... | 05/30/2006 |
| 6913934 | Apparatus and methods for parallel processing of multiple reaction mixtures A cannula for use in transferring small volumes of fluid materials, such as in a parallel reaction process. The cannula comprises a long thin needle having various end (port) configurations, and an adapter for connecting the needle to a fluid line. The adapter may i... | 07/05/2005 |
| 6910393 | Powder sampling method and apparatus A powder sampling method and apparatus is provided for sampling powder from a mixer or a drum. An undisturbed column of powder is extracted from a vessel. The column of powder may then be sectioned into subunits, using a discharge device, providing up to dozens of s... | 06/28/2005 |
| 6792818 | Liquid sampler having an in-line valve A sampling apparatus is characterized by a sampler operable to obtain samples of liquid product from a body of product in a vessel. The sampler includes a plunger having a sample receiving recess and a connecting device couples the sampler to the vessel at an apertu... | 09/21/2004 |
| 6520343 | Filtering device The present invention relates to a filtering device for preventing passing and blocking of unwanted particles in a suspension, which filtering device comprises an inlet and an outlet and a defined space between the inlet and the outlet, wherein the device... | 02/18/2003 |
| 6516676 | Airborne emissions monitoring probe A probe to monitor airborne emissions contains all sensors and sampling tubes in one sleeve mounted at one location at the interior of a smokestack. Sensors include an airflow monitor and a temperature monitor. A separate blower tube us used to blow dirt ... | 02/11/2003 |
| 6343516 | Multiphase flow sampling using an autotraversing sample probe A system is provided for improved flow measurement in a multiphase fluid stream in an oilfield environment. A sampling probe is provided which draws fluid samples at different radial locations across a diameter or a chord of a cross sectional plane of a m... | 02/05/2002 |
| 6212937 | Stack gas emissions monitoring system A method and apparatus for monitoring stack gas emissions wherein a probe including temperature and pressure indicating transducers is sequentially located at predetermined positions within a smokestack and the output of such transducers is fed into an el... | 04/10/2001 |
| 6112604 | Process plant sample collection system and method This disclosure sets out a method and apparatus for extracting repeated process samples. Each sample is put into a segregated bottle or container and the container is dated and time stamped. The containers are arranged in sequence on a feed system and are... | 09/05/2000 |
| 5970781 | In-stack direct particulate mass measurement apparatus and method The mass of particulate of an effluent gas flowing in a stack is directly measured with a mass measurement assembly supported within the stack. The mass measurement assembly preferably includes an inertial mass measurement transducer which provides near r... | 10/26/1999 |
| 5844148 | Detector with adjustable sampling tubes An adjustable sampling tube construction for a duct-mounted smoke detector includes telescopic tube sections which can be fixed in overall length by a screw extending through an outer tube to fix an inner tube with respect to the outer tube. The inner tub... | 12/01/1998 |
| 5814742 | Fully automated micro-autosampler for micro, capillary and nano high performance liquid chromatography A liquid chromatography micro-autosampler is disclosed that permits the sampling of very small samples quantities at high accuracy, while minimizing extracolumn band broadening. The autosampler employ a sample intake tubing connected to the injection valv... | 09/29/1998 |
| 5691488 | Portable sampling apparatus and system A portable sampling system and method for use with a cargo tank's vapor control valve or other suitable tank entry device to enable an operator to extract and bottle a product sample in place without transfer of the collected sample to another container t... | 11/25/1997 |
| 5596155 | Gas sampling probe A sampling probe for sampling the exhaust gases of internal combustion engines, particularly commercial vehicles. The probe includes a sampling tube having an inlet at one end for receiving the gaseous products. The tube is pivoted to an arm at an outer e... | 01/21/1997 |
| 5488875 | Emissions testing equipment support An emissions testing equipment support includes a probe carrier movable on a walkway and which carries an emissions sampling probe supported for movement along a probe guide for insertion into and removal from a monitoring port. The elevation of the probe... | 02/06/1996 |
| 5452618 | Mechanism for oscillating a sample holder within a sample vessel A mechanism used in connection with determining a time resolved interaction between a target substance, for instance, an adsorbent and at least one agent, for instance, an adsorbate capable of interacting with the target substance. In accordance with the ... | 09/26/1995 |
| 5263376 | Sample-taking device for a storage tank A sample-taking device for a storage tank able to take samples from the stored liquid at any depth out of the tank through a sample inlet sustained on a float holder able to be moved up and down in the stored liquid by means of a holder moving device oper... | 11/23/1993 |
| 5264182 | Sample and reagent delivery device with a probe and probe supporting member for preventing contamination Dispensing apparatus for an automatic chemical analyzer including a reaction turntable having a plurality of reaction vessels arranged along a periphery thereof, a sample turntable having a plurality of sample vessels arranged along the periphery thereof,... | 11/23/1993 |
| 5146796 | Probe for taking gas samples and heat measurements above the charging surface of a shaft furnace The probe comprises a probe arm provided with a series of orifices for simultaneously taking gas samples and measuring the heat at different locations of the charging surface and penetrating through an opening in the furnace. This opening is surrounded by... | 09/15/1992 |
| 4925627 | Oil sampling device A device for conveniently sampling and testing oil from the crankcase of an internal combustion engine comprises a tubular member, installed in the dipstick guide tube of the internal combustion engine and having a chamber above the guide tube inlet, and ... | 05/15/1990 |
| 4919892 | Apparatus for detecting oil and other lighter-than-water contaminants in an effluent stream An apparatus for detecting oil and other lighter-than-water contaminants in an effluent stream in a sewage system. The apparatus includes a disposable detector which floats in the effluent stream and detects oil and other contaminants having a specific gr... | 04/24/1990 |
| 4858477 | Dry materials sample collector improvements An improved dry material sample collector is provided which allows a cross-section of conveyed bulk material to be intermittently sampled. A collection head, mounted upon the piston of a pneumatic cylinder, is extended into a bulk material conveying line ... | 08/22/1989 |
| 4834149 | Method of reconstituting a hazardous material in a vial, relieving pressure therein, and refilling a dosage syringe therefrom A method of utilizing an apparatus of the type comprising a vial container hazardous material in the vial container in a condition requiring a diluent to be mixed therewith to form the liquid solution, and an assemblage carried by the vial container for p... | 05/30/1989 |
| 4768568 | Hazardous material vial apparatus providing expansible sealed and filter vented chambers An apparatus comprising a vial container hazardous material in the vial container in a condition requiring a diluent to be mixed therewith to form the liquid solution, and an assemblage carried by the vial container for providing (1) a sealed medicament c... | 09/06/1988 |
| 4769608 | Self-cleaning streaming current monitor A streaming current detector which utilizes the test flow stream to keep the electrodes of the detector probe washed and its dielectric surfaces from becoming fouled. The test stream first enters a housing surrounding the probe at a position proximate the... | 09/06/1988 |
| 4744255 | Sampler and metering pump A sampler for communicating with the interior of a vessel containing a liquid extracts a liquid sample of predetermined volume from the vessel and conveys the same to a point of collection. The sampler includes a body having a bore, the forward end of whi... | 05/17/1988 |
| 4734261 | Duplex pipette A duplex pipette comprises a housing, a pair of cylinders separately formed in the housing to extend substantially in parallel to each other, first and second piston members each having a lower end portion slidably received in one of the cylinders and a h... | 03/29/1988 |
| 4631967 | Automatic insertion device The automatic insertion device will insert or withdraw a piston rod into a pressurized fluid pipeline. In one embodiment, the piston rod will allow intrumentation on the exterior of the pipeline to directly sense the pressure of the fluid inside of the pi... | 12/30/1986 |
| 4630492 | Automatic staple fiber sampler An apparatus and method for sampling falling staple fiber is disclosed. The apparatus employs air pressure within the sampler housing which is substantially equivalent to the air pressure within the fiber chute to be sampled, in combination with a rod-lik... | 12/23/1986 |
| 4616515 | Process and device for automatic sampling of bulk materials contained in transport vehicles A process and device for automatic sampling includes a travelling gantry under which a vehicle can be brought carrying a tank containing the product to be tested. The gantry includes an upper horizontal beam which includes a carriage enabling the support ... | 10/14/1986 |
| 4584888 | Apparatus for sampling fluid flow Apparatus for sampling fluid flow in a plurality of passages comprises a conduit connected to the passages. A device is movable along the conduit to connect a selected passage to the conduit and allow flow from the passage through the device and conduit t... | 04/29/1986 |
| 4479393 | Sampler for slurries A sampler for communicating with the interior of a vessel containing a slurry under pressure extracts a sample of the slurry from the vessel and conveys the same to a point of collection. The sampler includes a conduit having an inlet for communication wi... | 10/30/1984 |
| 4409849 | Probe for collecting test permeate from a multiple-membrane module A test probe for collecting test permeate samples from a multiple, reverse-osmosis membrane module, wherein the membrane module has a straight permeate-collection passageway and a plurality of individual, spaced-apart, permeate passageways which permit pe... | 10/18/1983 |
| 4345466 | Apparatus for obtaining samples at various levels from within a multi-liquid container primarily for determining the level of the liquid interface and related method An apparatus and related method for obtaining samples from within a multiple liquid container, e.g. a tank within an oil tanker, at various levels in such container and for determining the level of the interface of the different liquids in such container.... | 08/24/1982 |
| 4269064 | On-line sampler On-line samplers using a piston having its rod reciprocally mounted in a tubular member which reciprocates in a passage, at least the piston and its rod adapted to project out of said passage into the line in which fluid to be sampled is flowing. Upon ret... | 05/26/1981 |
| 4061036 | Device for the extraction of gaseous samples and for thermal measurement above the burden of a shaft furnace A device for the extraction of gaseous samples and for thermal measurement above the burden of a shaft furnace includes at least one probe arm resonantly positioned in a horizontal plane above the burden. Means are provided for pivoting the probe arm abov... | 12/06/1977 |
| 3998102 | Support system for a gas sampler A support system for a gas sampler for collecting samples of gas from a plurality of laterally arranged ports and including a support rail extending outwardly from the ports to support the gas sampler for movement toward and away from said ports, an auxil... | 12/21/1976 |
