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| Number | Title | Issue Date |
| 7255016 | Soil sampler apparatus and method An apparatus removes soil samples at intervals over a field of interest. The apparatus comprises a sampling assembly (60) that rotates on a track (32) riding on a plurality of idler wheels (29, 31). A probe (66) extends and retracts under... | 08/14/2007 |
| 7168332 | Powder sampling device The powder sampling device comprises, next to a vertical channel (1) a drawer that is also vertical which may be lowered so that a groove (5) passes into a sampling mouth (12). A flap (15) may be extended to direct the powder towards the ... | 01/30/2007 |
| 6997069 | Tool for extraction of water samples A portable reel device for extraction of water samples from feed water storage tanks and the like. The reel incorporates a receptacle known in the art as a thiever. A chain has one end attached to the thiever. The other end of the chain is attached to a spindle. A h... | 02/14/2006 |
| 6582664 | Multichannel pipette head The invention provides multichannel pipette heads and autopipettors for loading, measuring, transporting and dispensing, particularly from one micro-plate to another. An exemplary multichannel pipette head comprises a pump housing, pistons, a drive plate,... | 06/24/2003 |
| 6576193 | Device and method for collecting and testing fluid specimens Devices and methods for collecting a fluid specimen and testing it are disclosed that avoid unduly exposing the tester to the specimen and eliminate the possibility of contaminating the remaining portion of the collected fluid. The device includes a first... | 06/10/2003 |
| 6520035 | Control system for belt sample cutters An apparatus is provided for extracting cross-sectional samples of bulk material from a moving belt conveyor with a rotating sample cutter. The sample cutter is driven around a circular sampling path by a pair of double-acting pneumatic cylinders that are... | 02/18/2003 |
| 6460406 | Cell for measuring a liquid activity, provided with probe rinsing means The liquid to be measured flows through a flow-pipe and bathes the end (1) of a pivoting probe in a spectrophotometric cell (2). One measuring surface (15) of the probe (2) remains immersed in the liquid whose level is advantageously assured by an overflo... | 10/08/2002 |
| 6399024 | Multichannel pipette head The invention provides multichannel pipette heads and autopipettors for loading, measuring, transporting and dispensing, particularly from one micro-plate to another. An exemplary multichannel pipette head comprises a pump housing, pistons, a drive plate,... | 06/04/2002 |
| 6138522 | Sample collecting apparatus of space machine A sample collecting apparatus of a space craft capable of collecting samples securely by collecting them through a single step by using a small size, light weight and simple structure device. The sample collecting apparatus of the space craft includes a c... | 10/31/2000 |
| 5906795 | Pipetting apparatus A chuck mechanism (2) for holding a pipette head (3) is attached to an output end of a reciprocating drive mechanism (1). A chuck control mechanism (5) for controlling the head holding and releasing operations of the chuck mechanism (2) is disposed at one... | 05/25/1999 |
| 5620660 | Pipette system A manually pipette system including a replacement syringe having a mounting part and a plunger, a manual pipette having a space for receiving the syringe mounting part and a receiving body having a cavity for receiving the syringe plunger, with the mounti... | 04/15/1997 |
| 5385058 | Method and apparatus for sampling particulate material falling from a belt conveyor A sampler having a pneumatically actuated scoop closes an opening in the bottom of a pipe containing an auger. The scoop swings through particulate material, (especially granular and/or powdered coal) as it is discharged from a belt of a feeder at the tra... | 01/31/1995 |
| 5121641 | Beet tare-taking apparatus A beet tare-taking mechanism and associated sample bucket, wherein the bucket travels in a long narrow elliptic path requiring minimum clearance. A direct drive gear powers a central arm at the end of which is journaled a tare bucket arm carrying the buck... | 06/16/1992 |
| 5060528 | Beet tare-taking apparatus A beet tare taking mechanism and associated sample bucket, wherein the bucket travels in a long narrow elliptic path requiring minimum clearance. A central shaft powers a central arm at the end of which is journaled a tare bucket arm carrying the bucket a... | 10/29/1991 |
| 4993273 | Wood chip sampling apparatus A wood chip sampling apparatus which includes a chip collecting tray. The tray moves to a first location where it collects a sample of downwardly flowing wood chips and then to a second location where it discharges the chips into a chip sample bin for lat... | 02/19/1991 |
| 4796476 | Conveyor belt cross-stream sampling system and method A method and apparatus are disclosed for cross-stream sampling of bulk material from a conveyor belt. The apparatus includes a sampler movable through an arcuate path across the conveyor belt for removing a cross-stream increment of bulk material from the... | 01/10/1989 |
| 4790196 | Sampler of particulate material on a moving belt A device for periodically obtaining samples of particulate material from a moving belt comprising a sample cutter provided with an opening at one end, and means for moving said sample cutter across the moving belt and minimizing the effects resulting from... | 12/13/1988 |
| 4749313 | Transfer line for a suspension of particles with a constant quantity with a view to the conditioning thereof The invention relates to a transfer line for a suspension of particles in constant quantity with a view to the conditioning thereof. This transfer line comprises a vessel, a separating tank, a hydraulic guard, sampling or removal structure comprising a sa... | 06/07/1988 |
| 4631968 | Effluent sampler An effluent sampler includes an effluent collection container mounted accessibly within an effluent conduit and a dipper for periodically and automatically sampling the effluent stream. A collecting cup associated with the container collects a portion of ... | 12/30/1986 |
| 4619149 | Belt conveyor cross-stream sampling system A method and apparatus are provided for cross-stream sampling of bulk material on a belt conveyor. The cross-stream sampling apparatus disclosed includes sample taking elements movable across the conveyor for removing a cross-stream increment of bulk mate... | 10/28/1986 |
| 4558602 | Large capacity sample bucket and bucket sampler having low clearance A sample bucket is disclosed for intercepting a sample while cutting through a flow of particulate material. The bucket is in the form of a receptacle having an open mouth and a suitable depth for retaining a desired gross sample without overflow thereof.... | 12/17/1985 |
| 4304139 | Continuous surface soil sampler A soil sampling device secured to a vehicle for taking soil samples while the vehicle is moving is provided with a housing having a first and second portion. The first portion has a chamber extending outwardly therefrom and the second portion has a soil i... | 12/08/1981 |
| 4252018 | Grain sampler with housing An automatic grain sampling device including a paddle wheel with paddles rotated by the force of grain on a conveyor against the paddles and a sampling receptacle attached to the paddle wheel, a hopper, apparatus for controlling the size of sample dumped,... | 02/24/1981 |
| 4133210 | Sampling apparatus A sampler for obtaining small samples of material from a flow of bulk material as it is transported past a sampling station, is characterized by a sample collecting scoop which is rotated in an arcuate path through the material about an axis inclined at a... | 01/09/1979 |
| 4010647 | Sampling method and apparatus A helical open ended tube is rotated so as to pass an open end successively through two different fluid media. Successive slugs, first one and then the other, of the media are captured, screwed along the length of the tube and retained therein for subsequ... | 03/08/1977 |
| 3962922 | Sampling apparatus for fluid Fluid flowing in an open channel or aqueduct having a notched dam or weir produces a hydraulic head at the weir which is proportional to the rate of flow of the fluid in the aqueduct. A sampling device is provided in association with the aqueduct just ups... | 06/15/1976 |
