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

Icon_funbox Famous Patents

The first match was accidentally discovered in 1826 when John Walker scraped a stick with chemicals on the end against a stone floor.

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.

 

Attorney: Kirkland & Ellis


Number of patents: 273
Last date: April 18, 2000

1              
NumberTitleIssue Date
6049942Apparatus for rejuvenating a drainfield or drywell
An apparatus is provided for cleaning and rejuvenating septic tank sewage systems. Where the septic tank has a drainfield associated therewith, the method comprises penetrating the ground near a drainfield lateral, and agitating the area near the drainfie...
04/18/2000
5788409Drain field container system
A drain field container system for use in filtering sewage water from a distribution box. A plurality of separate containers are used to receive equal amounts of sewage water from distribution pipes extending from a distribution box. Sewage water is dispe...
08/04/1998
5753259Method of preparing controlled-release preparations for biologically active materials and resulting compositions
A method and product for preparing a controlled-release composition are provided. The method comprises formation of a mixture containing at least one amphiphilic substance capable of forming a liquid crystalline phase, in contact with a liquid selected fr...
05/19/1998
5473793Method and apparatus for rejuvenating a drainfield or dry well
A method and apparatus is provided for cleaning and rejuvenating septic tank sewage systems. Where the septic tank has a drainfield associated therewith, the method comprises penetrating the ground near a drainfield lateral, and agitating the area near th...
12/12/1995
5419614Crewseat with adjustable lumbar and thigh supports
The present invention relates to crewseats for aircraft such as helicopters, and to thigh support and lumbar support mechanisms for such crewseats. The thigh support mechanism is a tilt plate hingeably attached to a base plate, and a locking tang extendin...
05/30/1995
5383974Method for rejuvenating a drainfield or dry well
A method and apparatus is provided for cleaning and rejuvenating septic tank sewage systems. Where the septic tank has a drainfield associated therewith, the method comprises penetrating the ground near a drainfield lateral, and agitating the area near th...
01/24/1995
5369686Method and apparatus for secondary-option message delivery through enhanced service message handlers
A system that facilitates the efficient transfer of digitally encoded messages comprising an enhanced service exchange device in combination with an enhanced service message handler. The system provides alternate delivery paths for digitally encoded messa...
11/29/1994
5368391Method and apparatus for high resolution analysis
The present invention relates to analytical methods for determining the composition of a material that undergoes a transition as a function of a driving variable. As applied to thermogravimetric analysis (TGA), a first preferred embodiment comprises (1) d...
11/29/1994
5346306Method and apparatus for modulated differential analysis
The present invention relates to differential analytical techniques for determining the composition, phase, structure, identification or other properties of a material that undergoes a transition as function of a driving variable. As applied to differenti...
09/13/1994
5335993Method and apparatus for thermal conductivity measurements
A method and apparatus for measuring the thermal conductivity of materials using modulated differential scanning calorimetry (MDSC). Two MDSC heat capacity measurements are made consecutively. One measurement is made under conditions which ensure obtainin...
08/09/1994
5330799Press polymerization of lenticular images
Methods and apparatus for producing autostereograms using ultraviolet radiation-curable thermosetting polymers. A stereoscopic image is printed upon a plastic or paper sheet, which is fed directly onto a surface having an inverse lenticular pattern relief...
07/19/1994
5322322Side impact head strike protection system
The present invention is a tubular structure which inflates upon side or oblique impact to protect the occupants of a vehicle such as an automobile. The structure is mounted in its undeployed state along the periphery of the vehicle's window. The primary ...
06/21/1994
5321719Thermogravimetric apparatus
The present invention is a thermogravimetric instrument having a ceramic sample support and a ceramic balance beam. The ceramic platform is rigidly attached to the hot end of the ceramic balance beam. An inert metal liner is press fitted into the ceramic ...
06/14/1994
5318382Method and apparatus for hydraulic embedment of waste in subterranean formations
There is disclosed a method and apparatus for waste disposal by hydraulic embedment in a subterranean formation. A method in accordance with the present invention comprises the steps of drilling into stable geologic formations thousands of feet below grou...
06/07/1994
5302515Chemotactic test apparatus and method
The present invention is a single site or multiple site chemotaxis test apparatus or chemotaxis chamber for measuring the effect of concentration gradients of diffusible chemicals upon the directional response of biological cells. The chemotactic test app...
04/12/1994
5297031Method and apparatus for order management by market brokers
There is provided a broker workstation for managing orders in a market for trading commodities, securities, securities options, futures contracts and futures options and other items including: a device for selectively displaying order information; a compu...
03/22/1994
5288147Thermopile differential thermal analysis sensor
A differential thermal analysis sensor consisting of two low-impedance differential thermopiles. Each thermopile consists of a series of thermocouples joined in series, with the measuring junctions of the thermocouples arranged around a uniform temperatur...
02/22/1994
5284753Multiple-site chemotactic test apparatus and method
A simple chemotaxis apparatus and method wherein surface tension, capillary action, and hydrophobic forces are used to hold cell suspensions, chemotactic factors, and control fluids in place on both membrane filters and chemotaxis plates. In one embodimen...
02/08/1994
5282648Inflatable body and head restraint system
The present invention relates to an inflatable air bag apparatus attached to a harness restraint system in a vehicle which inflates if an impact sensor detects an impact. The apparatus comprises an bladder attached to the harness's shoulder strap. The sid...
02/01/1994
5259765Biofidelic manikin neck
The present invention is a biofidelic manikin neck comprising a butyl rubber beam inserted between an aluminum base and an aluminum top, with a stainless steel cable assembly in the middle of the beam connecting the top to the base. In a first preferred e...
11/09/1993
5253826Lightweight sealed parachute and harness assembly
An environmentally-sealed parachute deployment system for bail-out parachutes comprising a spring-loaded pilot parachute, an environmentally sealed vacuum bag, a deployment bag having one or two elastic closure loops, and a man-rated parachute. The drag f...
10/19/1993
5248199Method and apparatus for spatially resolved modulated differential analysis
The present invention is a spatially-resolved differential analysis technique. A modulated differential analysis technique is applied using a proximal probe to obtain a spatially resolved characterization of a heterogeneous sample comprising at least two ...
09/28/1993
5241461Computerized dynamic displacement display control systems
A computerized dynamic displacement control display system which involves a method of systematically simulating and displaying the cyclical components of the behavior of the movement of a curve represented by a plurality of points relating two parameters ...
08/31/1993
5231674Eye tracking method and apparatus
In applications where it is desired to determine the locations of image features, such as eye monitoring to determine the direction that a person is gazing, determining the point at which he is gazing, or measuring the motions of his eye using a camera to...
07/27/1993
5229832Optical ultrasonic material characterization apparatus and method
A dual-interferometer apparatus for simultaneously measuring in-plane and out-of-plane ultrasonic displacements of the surface of materials comprising a single laser source, optical fibers, optical couplers and dividers, a phase-conjugate mirror, and a pa...
07/20/1993
5224775Method and apparatus for modulated differential analysis
The present invention relates to differential analytical techniques for determining the composition, phase, structure, identification or other properties of a material that undergoes a transition as function of a driving variable. As applied to differenti...
07/06/1993
5210021Multiple-site chemotactic test apparatus and method
A simple chemotactic apparatus and method wherein surface tension is used to hold cell suspensions, chemotactic factors, and control fluids in place on membrane filters. In some embodiments, chemotaxis factors and controls are placed on one side of a memb...
05/11/1993
5165792Method and apparatus for high resolution analysis
The present invention relates to analytical methods for determining the composition of a material that undergoes a transition as a function of a driving variable. As applied to thermogravimetric analysis (TGA), a first preferred embodiment comprises (1) d...
11/24/1992
5158246Radial bleed total thrust control apparatus and method for a rocket propelled missile
A radial bleed total thrust control system for a rocket propelled missile. In the preferred embodiment, the apparatus employs at least two pairs of straight radial nozzles which are disposed within and penetrate the skin of the missile and at least two pa...
10/27/1992
5154310End nesting stackable container modified to maintain material firmly in place
An end nesting stackable container is modified with means to firmly contain material being shipped or stored inside the container. The means contact the load being shipped at at least 4 points and are advantageously pivoted out of the way of the container...
10/13/1992
5152692Biofidelic manikin neck
The present invention is a biofidelic manikin neck comprising a butyl rubber beam inserted between an aluminum base and an aluminum top, with a stainless steel cable assembly in the middle of the beam connecting the top to the base. In a first preferred e...
10/06/1992
5143123Cylindrical armor
There is provided a cylindrical link and armor for electrical, electronic, or fiber-optic cables, hoses, conduits and the like. The armor comprises links which can either rigidly or flexibly interlock and can support their own weight....
09/01/1992
5133624Method and apparatus for hydraulic embedment of waste in subterranean formations
There is disclosed a method and apparatus for waste disposal by hydraulic embedment in a subterranean formation. A method in accordance with the present invention comprises the steps of drilling into stable geologic formations thousands of feet below grou...
07/28/1992
5124932Method for analyzing asymmetric clusters in spectral analysis
The multiple linear regression approach typically used in near-infrared spectrometry yields equations in which any amount of reflectance at the analytical wavelengths leads to a corresponding composition value. As a result, when the sample contains a comp...
06/23/1992
5121338Method for detecting subpopulations in spectral analysis
A method for using spectral analysis to detect subpopulations is disclosed. According to this method, a training set of spectra of a first plurality of samples is obtained and a bootstrap distribution is formed. A test set of spectra of a second plurality...
06/09/1992
5113213Computer-generated autostereography method and apparatus
There is disclosed a method of making autostereographic images of an object, comprising the steps of inputting to a computer a predetermined number of planar images of the object, each of the planar images being a view of the object, from one of the prede...
05/12/1992
5095278Planar interdigitated dielectric sensor
A planar interdigitated dielectric sensor useful for measuring the surface properties of a material is disclosed. The sensor is formed on an insulating substrate. Attached to the surface of the substrate is an excitation electrode and a response electrode...
03/10/1992
5090797Method and apparatus for mirror control
It is sometimes required to track randomly moving objects with precision and high speed. This inventioin pertains to a mirro rotation assembly that provides precise, high-speed pitch and yaw tracking by rotating a low-moment-of-inertia mirror rather than ...
02/25/1992
5076429Sharps container
There is provided a sharps container comprising a receptacle and a lid engaging the receptacle, the lid including a rotatable tray and a baffle flap for sealing the receptacle when the tray is in an open position. The tray is biassed toward the open posit...
12/31/1991
5065106Apparatus and method for analyzing dielectric properties using a single surface electrode and force monitoring and adjusting
A parallel plate or single surface dielectric analyzer is disclosed including: a distance sensor for accurately measuring the varying distance between the electrodes, such as a linear voltage differential transformer (LVDT), and apparatus responsive to th...
11/12/1991
1              
 
Sign InRegister
Username  
Password   
forgot password?