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| Number | Title | Issue Date |
| 5539812 | Method and apparatus for detecting an attempted three-way conference call on a remote telephone Methods and apparatus for use in connection with a telecommunication between a local telephone and a remote telephone, which are capable of detecting whether one of the parties to the communication has attempted to initiate a three-way, i.e., conference, ... | 07/23/1996 |
| 5524708 | Non-metallic oil well tubing system A simple, efficient apparatus for deploying non-metallic tubing in an oil and gas well comprising a suspension system including one or more continuous support members attached to at least one bottom portion of the tubing and attached to the well head in a... | 06/11/1996 |
| 5472619 | Waste water treatment with peracetic acid compositions A process for the separation and purification of fat-containing waste water including the step of adding an effective flocculating and oxidizing amount of a composition including: 10-30% acetic acid 5-20% peracetic acid 15-25% hydrogen peroxide 1-10% phosphori... | 12/05/1995 |
| 5456030 | Quick coupler for heavy equipment implements A coupling device or "quick coupler" which permits the rapid connecting and disconnecting of implements to an earth-working device having a hoe boom comprising at least one primary lifting arm fitted for a hinge pin and a "curling linkage" mechanism havin... | 10/10/1995 |
| 5413175 | Stabilization and control of hot two phase flow in a well A method is provided for the stabilization and control of the two-phase flow of hot fluid containing water issuing from the top of an upwardly rising conduit or riser of a horizontal oil-production well. The fluid enters the bottom of the riser at a tempe... | 05/09/1995 |
| 5356928 | Cytotoxic agents The invention relates to pharmaceutical compositions comprising an effective cytotoxic amount of: ##STR1## Wherein R represents Ac or H; R' represents: ##STR2## OH; and R" represents: ##STR3## these new compounds demonstrate surprising... | 10/18/1994 |
| 5284652 | Dermatophyte vaccine A vaccine for the prophylaxis of dermatophyte infection in animals, such as horses and guinea pigs, comprising a suspension of two strains of killed T. equinum in an effective amount combined with an adjuvant. The vaccine of the invention contains advanta... | 02/08/1994 |
| 5277904 | Broad spectrum dermatophyte vaccine A vaccine for the prophylaxis of dermatophyte infection in animals, such as guinea pigs, cats, rabbits, horses and lambs comprising a suspension of killed T. equinum, T. mentagrophytes (var. granulare), M. canis and M. gypseum in an effective amount combi... | 01/11/1994 |
| 5217614 | Clarifier with integral trusses Open frame, inverted-T-shaped trusses are provided between self-supporting clarifier units to support the units in liquid having solids therein flowing in a clarifier basin. In a first embodiment, each truss has three pipes which form part of a longitudin... | 06/08/1993 |
| 5201651 | Construction heater and method of manufacture of heater A gas-fired construction heater which meets the applicable ANSI Standard and operates to supply heated air separately from products of combustion. The products of combustion are permitted to contain no more than a specified percent of carbon monoxide when... | 04/13/1993 |
| 5189883 | Economical refrigeration retrofit systems An economical method for converting a compression type refrigeration system designed for the use of R-12 refrigerant, comprising an evaporator, a compressor rated for R-12, a condenser, and a receiver, to the use of R-22 refrigerant without replacing the ... | 03/02/1993 |
| 5157822 | Plate working machine A plate working machine comprising a metal plate supporting table (1), a pair of rails (2, 3) extending along the sides of the table (1), a driven support means (4) for travel along the rails (2, 3), said support means comprising a spaced pair of support ... | 10/27/1992 |
| 5142938 | Bicycle cleat and pedal with adjustable floating relationship Torsional stress of a cyclist's leg is minimized by providing spaced limit surfaces on opposing parts of a cycle pedal and a shoe cleat that are designed for step-in, twist-out engagement. Floating adjusters, in the form of threaded rods, are rotated to s... | 09/01/1992 |
| 5108587 | Apparatus for the electrodynamic separation of non-ferromagnetic free-flowing material Electrodynamic separation of non-ferromagnetic, free-flowing materials, in which at least one component of the material to be processed is electrically conductive, whereby such material is caused to free-fall into a region of space permeated by time and s... | 04/28/1992 |
| 5069572 | Nub assembly for tent frame struts A hub for providing an articulating interconnection between the ends of tent frame struts, comprising a base member and a cap member rotatably interconnected by a common axis of rotation to form an encasement having a plurality of interior cavities equall... | 12/03/1991 |
| 5067652 | Supplemental vehicle heating method and apparatus with long heating cycle An auxiliary burner provides supplemental thermal energy to a vehicle having a room and domestic water to be heated. The auxiliary burner operates efficiently at a rated thermal output when it is operated for at least the duration of a minimum operational... | 11/26/1991 |
| 5033987 | Skinning and cutting knife A knife for skinning and cutting animal carcasses or the like having a blade and a handle inclined relative to the blade with upper and lower handle portions located on opposite sides of a blade portion and a rearwardly inclined skinning slot on the blade... | 07/23/1991 |
| 5027675 | Bicycle pedal and shoe having mating stepped surfaces A bicycle pedal is mounted on a spindle secured to a crank arm. A pedal platform has a stepped upper surface. A cycling shoe is provided with a cleat section extending under the ball area of the cyclist's foot. The cleat section is provided with a stepped... | 07/02/1991 |
| 5025985 | Supplemental vehicle heating apparatus with long heating cycle An auxiliary burner provides supplemental thermal energy to a vehicle having a room and domestic water to be heated. The auxiliary burner operates efficiently at a rated thermal output when it is operated for at least the duration of a minimum operational... | 06/25/1991 |
| 5001651 | Method and apparatus for interpolating groups of pixels on a scan line A pixel control system and method of controlling the intensity of pixels on a raster video display screen with scan lines grouped in 20 pixel increments across the scan line to display an object. In a first operational sequence for a given polygon that re... | 03/19/1991 |
| 4944541 | Two-handled shovel An auxiliary grip handle and shaft are pivotally connected to a main shaft of an implement to reduce the back and shoulder strain associated with the use of implements, such as garden tools and snow shovels. The implement has the main shaft which is exten... | 07/31/1990 |
| 4939671 | Method and system for line drawing with next matrix feature A system for converting vector data to pixel data to draw the vector on a display screen. The display screen is divided into groups of pixels (matrices) each having a certain number of pixels in the x and y directions. As the vector data for a given matri... | 07/03/1990 |
| 4930092 | Polygon display apparatus and method Data is generated for graphically displaying objects having surfaces defined by vertex locations, each having a particular intensity. The values of electrical signals that represent the coordinates of the vertex locations and a point normal used to obtain... | 05/29/1990 |
| 4904994 | Apparatus and method for identifying next matrices for vector drawing A system to convert vector data to pixel data for drawing a vector on display screen that is divided into groups of pixels (matrices) having selected numbers of pixels in the x and y coordinate directions. The vector data is processed to define the slope ... | 02/27/1990 |
| 4898529 | Apparatus for molding magneto-optic substrates Apparatus for molding a substrate for use in supporting a magneto-optic recording structure includes a mold having a cavity that defines a plane and that is designed to form a thin disk-like magneto-optic substrate. The mold is mounted with such plane hor... | 02/06/1990 |
| 4877666 | Magneto-optic substrates A method for molding a substrate for use in supporting a magneto-optic recording structure includes the steps of providing a mold having a cavity that defines a plane and that is designed to form a thin disk-like magneto-optic substrate and mounting such ... | 10/31/1989 |
| 4874572 | Method of and apparatus for measuring vapor density Apparatus and method determine the concentration of an individual component, such as water vapor, of a multi-component mixture, such as a gaseous mixture for cooling a nuclear reactor. A hygrometer apparatus includes an infrared source for producing a bro... | 10/17/1989 |
| 4873481 | Microwave radiometer and methods for sensing atmospheric moisture and temperature A passive, multi-channel microwave radiometer includes an antenna-lens assembly for receiving, and a first waveguide designed to provide a common path for propagating, 23.8 GHz and 31.4 GHZ atmospheric signals. The 23.8 GHz signal is above the frequency o... | 10/10/1989 |
| 4865753 | Clarifier apparatus and methods having releasably closed flow channels A detention basin contains liquid and solids suspended therein. A planar flow control deck extending across a part of the basin is formed from a plurality of elongated flap members. One edge of each such flap member is fixed and an opposite edge is in rel... | 09/12/1989 |
| 4828727 | Compositions for and methods of lubricating carcass conveyor An improved lubricant for use with a conveyor in a meat packing plant meeting the requirements of (1) adequate lubricity, (2) "drip-resistance," (3) safety, i.e., approval of the composition and its ingredients by the U.S.D.A., (4) rust resistance, (5) ec... | 05/09/1989 |
