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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Shofner; Frederick M.
Address:
Knoxville, TN
No. of patents:
48
Patents:












Patent Number Title Of Patent Date Issued
D282767 Filter unit February 25, 1986
7675615 Image-based fiber length measurements from tapered beards March 9, 2010
An image-based method and corresponding apparatus for measuring, in scientifically basic terms, the complete fiber length distribution from a tapered beard. The method may be referred to as length by image analysis (L.sub.i). A calibration method is also disclosed.
7345756 Image-based fiber length measurements from tapered beards March 18, 2008
An image-based method and corresponding apparatus for measuring, in scientifically basic terms, the complete fiber length distribution from a tapered beard. The method may be referred to as length by image analysis (L.sub.i).
7142693 Method of grading sample November 28, 2006
Method of grading a sample. An input color image of the sample, such as a sample of raw cotton, is obtained by a scanning technique. This image is first analyzed by an image segmentation module and a binary image where pixels of a first characteristic are marked as 0 (e.g. cotton lint) a
6854460 Controlled deliveries and depositions of pharmaceutical and other aerosolized masses February 15, 2005
A system (1) for the precisely and accurately controlled delivery and collection of aerosolized masses. The system (1) includes an aerosol generator (100), an upstream electro-optional aerosol mass concentration sensor (200) past which aerosols are transported at a known upstream vol
6735327 Color and trash measurements by image analysis May 11, 2004
An ultrasonic diagnostic imaging system is provided which aid in the diagnosis of patient conditions by providing access from the ultrasound system to a library of reference ultrasonic images. The image library is cataloged in accordance with an image characteristic such as the type of
6698274 Micronaire, maturity and fineness measurements via continuous compression air flow permeability March 2, 2004
Instruments for measuring the gas flow permeability of a fiber sample, particularly a cotton fiber sample; and apparatus and methods employing multiple volumetric compressions to acquire data products for determining "micronaire," "maturity" and "fineness" of the fiber sample. A gas flow
6604259 Ultra rapid conditioning of cotton fiber for testing and processing August 12, 2003
Machine for ultra-rapidly condition cotton fiber. In a processing embodiment for conditioning fiber being pneumatically transported by a gas flow, fibers are collected to form a thin mat. Aerosolized liquid is delivered to the thin mat, and then conditioned fiber form the thin mat is
6598267 Fiber length and strength measurement system July 29, 2003
Method and apparatus for the collection of samples of staple fibers from a quantity (batch) of such fibers without material consideration of the "condition" of the fibers within the batch, (e.g., the relative humidity and/or temperature of the environment immediate the batch of fibers),
6532798 Micronaire, maturity and fineness measurements via continuous compression air flow permeability March 18, 2003
Instruments for measuring the gas flow permeability of a fiber sample, particularly a cotton fiber sample; and apparatus and methods employing multiple volumetric compressions to acquire data products for determining "micronaire," "maturity" and "fineness" of the fiber sample. A gas flow
6397437 Ultra rapid conditioning of cotton fiber for testing and processing June 4, 2002
Machines for ultra-rapidly conditioning cotton fiber. In one embodiment, a machine includes a conditioning chamber for receiving cotton fiber formed into a sheet-like body. The conditioning chamber is defined on one side by an impervious plate and on an opposite side by a perforated plat
6188479 Methods and apparatus for mechanically and electronically correcting presentation of entities in February 13, 2001
An apparatus for delooping fibers in a fluid flow preferably includes a cyclone for receiving entities from a fiber individualizer and delivering individual fibers to a sensor. The fluid flow rate to the cyclone is set to optimize operation of the individualizer and the flow rate from th
6029316 Environmental conditioning methods and apparatus for improved materials testing: rapidcon and ra February 29, 2000
Methods and apparatus for effecting sample-specific cycles for the environmental conditioning of material samples, such as cotton samples, prior to testing; and for the environmental conditioning of testing laboratory space, a sub-space or "oasis zone" within the testing laboratory s
5929460 High throughput nep measurement July 27, 1999
Apparatus and methods for measuring the quantity and size distribution of nep-like entities in a fiber sample. An individualizer presents entities, such as fibers and neps, to a laterally elongated acceleration/deceleration gas flow nozzle having a laterally-extending sensing volume
5910598 Modular process zone and personnel zone environmental control with dedicated air jet cleaning June 8, 1999
Gas flows, whose plurality of conditions are controlled by modular environmental control apparatus, are sourced to or captured from various critical zones in materials processing machines, or in related personnel zones. A plurality of processing performance parameters, part of which may
5890264 Aeromechanical individualizer April 6, 1999
An aeromechanical individualizer for individualizing entities within a fiber sample includes a cylindrical rotating beater wheel, having a non-permeable cylindrical surface and having carding elements, such as pins or wire points, on the cylindrical surface. A cylindrical feed roller
5676177 Method for optimally processing materials in a machine October 14, 1997
Methods for optimally processing materials in a machine, such as a weaving machine, employing modular environmental control apparatus to control the conditions of gas flows sourced to or captured from various critical zones in materials processing machines. A plurality of processing perf
5560194 Method for optimally controlling fiber processing machines October 1, 1996
The invention relates to the field of control of textile machinery which enables optimal control of fiber processing machinery to achieve a target operating point. The method optimizes the processing of fibers by determining a machinery model which simulates a fiber processing machine
5544090 Removal of undesirable entities in thin webs of textile materials August 6, 1996
An apparatus and method for monitoring and processing a web of textile materials which includes a plurality of entities including fibers, neps, seed coat fragments and trash. The web is monitored, preferably by an imaging unit, to produce a monitor signal. A computer receives the monitor
5539515 Apparatus and methods for measurement and classification of trash in fiber samples July 23, 1996
An apparatus and method for measuring characteristics of entities in a sample of textile material, including trash, provides a sample of textile material to a processor where entities are individualized and thereafter transported to a sensor system. Characteristic signals are generated b
5537868 Direct control of fiber testing performance parameters by application of controlled conditioned July 23, 1996
Conditioned gas flows are applied at various critical locations in instruments and apparatus for testing and processing textile fibers, such as cotton. In the context of test instruments, a standard test zone environment (which becomes part of the test record) is effected by the intr
5533145 Continuous two dimensional monitoring of thin webs of textile materials July 2, 1996
An apparatus monitors a web of textile material which is also processed by a textile processing machine. The web is in motion relative to an imaging unit, and the imaging unit repetitively scans at least one strip across the web in a direction substantially perpendicular to the direction
5491876 Needle-based apparatus for individualizing single fibers and other textile entities for testing February 20, 1996
Disclosed are various needle-based devices for individualizing single fibers and other entities from a fibrous mass, particularly for testing purposes. In one embodiment, an accelerated pin drafting machine has a plurality of combing elements which sequentially pierce a fiber mat and
5483844 Needle-based apparatus for individualizing single fibers and other textile entities for testing January 16, 1996
Disclosed are various needle-based devices for individualizing single fibers and other entities from a fibrous mass, particularly for testing purposes. In one embodiment, an accelerated pin drafting machine has a plurality of combing elements which sequentially pierce a fiber mat and
5469253 Apparatus and method for testing multiple characteristics of single textile sample with automati November 21, 1995
A testing apparatus includes a receiver for holding a plurality of textile samples and an automatic feed mechanism disposed adjacent to the receiver for selectively engaging and removing samples from the receiver and transporting them to a processor where the textile material is processe
5430301 Apparatus and methods for measurement and classification of generalized neplike entities in fibe July 4, 1995
Method and Apparatus for measuring and classifying individual neplike entities in a textile fiber sample is disclosed. The apparatus includes a fiber sample processor which takes a supply of fiber samples, separates and individualizes the individual entities of the fiber sample and p
5410401 Methods and apparatus for mechanically and electronically correcting presentation of entities in April 25, 1995
An apparatus for delooping fibers in a fluid flow preferably includes a cyclone for receiving entities from a fiber individualizer and delivering individual fibers to a sensor. The fluid flow rate to the cyclone is set to optimize operation of the individualizer and the flow rate from th
5394480 Topological map maker February 28, 1995
A map maker is disclosed in which a physical map is produced by depositing fluid entrained entities, such as cotton fibers, trash and neps, in a pattern on a surface, such as a nylon mesh surface. Each position in the pattern is uniquely associated with data produced by another monitor t
5383135 Acquisition, measurement and control of thin webs on in-process textile materials January 17, 1995
An apparatus and method for monitoring and processing a web of textile materials which includes a plurality of entities including fibers, neps, seed coat fragments and trash. The web is monitored, preferably by an imaging unit, to produce a monitor signal. A computer receives the monitor
5367747 Needle-based apparatus for individualizing fibers and other textile entities for testing purpose November 29, 1994
Disclosed are various needle-based devices for individualizing single fibers and other entities from a fibrous mass, particularly for testing purposes. In one embodiment, an accelerated pin drafting machine has a plurality of combing elements which sequentially pierce a fiber mat and
5361450 Direct control of fiber testing or processing performance parameters by application of controlle November 8, 1994
Conditioned gas flows are applied at various critical locations in instruments and apparatus for testing and processing textile fibers, such as cotton. In the context of test instruments, a standard test zone environment (which becomes part of the test record) is effected by the intr
5321496 Apparatus for monitoring trash in a fiber sample June 14, 1994
An apparatus for monitoring trash in a sample of trash particles and fibers includes scales for determining the weight of the sample which is transmitted to a computer. The sample is presented to a sensing volume and an optical sensor produces an output signal corresponding at least to t
5270787 Electro-optical methods and apparatus for high speed, multivariate measurement of individual ent December 14, 1993
Single entities such as fibers are delivered one at a time to a fluid stream, and a nozzle orients the entities so that each entity along its length (major dimension) is generally parallel with the direction of fluid flow. The entity then enters a sample region and a sensor senses entity
5167150 Apparatus and methods for testing tension-elongation or cross-sectional properties of single fib December 1, 1992
A fiber testing apparatus includes two support members for holding a fiber and a positioning mechanism to facilitate placement of the fiber into engagement with the support members. A translation apparatus moves the two support members apart while a monitor records at least one character
5138879 Method for producing multiple fiber data August 18, 1992
A method for producing multiple fiber data from a plurality of single fiber tests. A plurality of individual fibers are subjected to tension tests such that the individual fibers are elongated tensioned and broken while characteristics of the fiber are monitored. Multiple fiber data are
4885473 Method and apparatus for detecting particles in a fluid using a scanning beam December 5, 1989
An apparatus and method for detecting particles in a clean environment provides for forming a beam of electromagnetic radiation into an instantaneous scattering volume and scanning the scattering volume in space defined by a flow cell. Particles are transported by fluid means into th
4881957 Air filtration units and methods employing dust as filtration media and air flow rate as a direc November 21, 1989
Air filtration systems and methods which intentionally use collected dust to enhance air filtration performance, use air flow rate control to optimally maintain electro-mechanical efficiency and media permeability, use high velocity discharge to "throw"clean air to preferable workplace
4753663 Reduction of water solids contributions to apparent cotton dust levels through use of special wa June 28, 1988
A method of treating the water supplied for humidification of the textile processing room environment (e.g. weaving room) results in reduced apparent cotton dust concentrations, while maintaining or increasing processing efficiency. The water supplied to the humidification system for
4686744 Methods for aeromechanical and electrodynamic release and separation of foreign matter from fibe August 18, 1987
Apparatus and methods for controlled application of aeromechanical and electrodynamic release and separation forces to foreign particulate matter in fiber materials are disclosed. A number of elements are employed in various combinations. One important element is a perforated, pinned
4631781 Conditioned gas flow methods for processing and cleaning fiber, including aeromechanical and ele December 30, 1986
Apparatus and methods for controlled application of aeromechanical and electrodynamic release and separation forces to foreign particulate matter in fiber materials are disclosed. A number of elements are employed in various combinations. One important element is a perforated, pinned
4512060 Apparatus and methods for aeromechanical and electrodynamic release and separation of foreign ma April 23, 1985
Apparatus and methods for controlled application of aeromechanical and electrodynamic release and separation forces to foreign particulate matter in fiber materials are disclosed. A number of elements are employed in various combinations. One important element is a perforated, pinned
4473296 System and method and apparatus for a continuous aerosol monitor (CAM) using electro-optical wei September 25, 1984
A method and apparatus is disclosed for measuring the mass concentration of particulates entrained in a process or work area. One or more sensors are employed which electro-optically and continuously weigh the effluent extracted from the process area. The effluent is caused to enter a sa
4396286 Electro-optical system and method and apparatus for providing automatically-compensating, tracea August 2, 1983
A calibration/zero control is combined with an electro-optical measurement instrument in a time-multiplex fashion to provide a self-diagnostic in situ measurement system and automatic compensation of the entire electro-optical train without interruption of the measurement process. The
4389574 Method and apparatus for detecting a break in a plurality of glass fibers June 21, 1983
A method and apparatus for detecting breakage of glass fibers comprising illuminating the fibers with electromagnetic radiation and sensing a variation in the amount of radiation scattered by the fibers as an indication of a break of said fibers.
4343637 Method and apparatus for monitoring the diameter of fibers August 10, 1982
A method and apparatus for monitoring the average diameter of a plurality of glass fibers, comprising illuminating the fibers with electromagnetic radiation, sensing radiation scattered by the fibers and generating a signal responsive to the amount of radiation sensed as an indication of
4319901 Electro-optic fiber monitor March 16, 1982
A method of and apparatus for monitoring the method comprising the steps of: generating electromagnetic radiation; using a first lens to form the electromagnetic radiation into a beam; directing the beam through a sampling volume for impingement upon the fibers; positioning a second lens
4249244 Electro-optical system and method and apparatus for providing automatically-compensating, tracea February 3, 1981
A calibration/zero control is combined with an electro-optical measurement instrument in a time-multiplex fashion to provide a self-diagnostic in situ measurement system and automatic compensation of the entire electro-optical train without interruption of the measurement process. The
4017186 Electro-optical method and system for in situ measurements of particulate mass density April 12, 1977
A system and method provides electro-optical in situ measurements of the mass per unit volume of particulate matter suspended in a fluid medium. A beam of electromagnetic radiation is directed through a portion of the medium and radiation back-scattered from an optically defined volume










 
 
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