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| Patent # | Description |
|---|---|
| US-3,978,925 |
Method for recovery of bitumens from tar sands A method for the recovery of low gravity viscous oils or bitumens from a subterranean formation by the injection of a mixture of an oxygen-containing gas and... |
| US-3,978,924 |
Hidden bow spring for calipers and centralizers An earth borehole instrument having a plurality of pad members adapted to engage the borehole walls are pivotally connected through mechanical arms to a... |
| US-3,978,923 |
Injection sub for dual tube drilling An injection sub for use with a string of dual concentric drill pipe, having inner and outer tubular members concentrically arranged to mate with the inner and... |
| US-3,978,922 |
Gas storage well safety valve apparatus In accordance with an illustrative embodiment of the present invention, a subsurface safety valve assembly that automatically closes in response to a drop in... |
| US-3,978,921 |
Apparatus for cryothermal fracturing of rock formations Apparatus and method for cryogenic flash freezing of confined water in a rock formation with concomitant fracturing of the rock formation utilizes an anchoring... |
| US-3,978,920 |
In situ combustion process for multi-stratum reservoirs In a combustion process for recovering hydrocarbons from a subterranean hydrocarbon-bearing formation comprising an upper permeable hydrocarbon-bearing stratum... |
| US-3,978,919 |
Cooler-cum-blower assembly for internal combustion engines A cooler-cum-blower assembly for water-cooled internal combustion engines, comprising a housing subdivided by means of a partition into two chambers having a... |
| US-3,978,918 |
Heating and cooling device for an agitator tank serving as a fermentor A device for heating or cooling an agitator tank serving as a fermentor comprising a plurality of pipe blocks of the vertical trombone type each block consisting... |
| US-3,978,917 |
Descaling system for the cooling water tubes of a steam condenser Descaling elements for cleaning cooling water tubes within a steam condenser are received within a water soaking vessel. A wire net is stretched within said... |
| US-3,978,916 |
Structural unit body having a pipe incorporated therein and a structure
assembled therefrom A plurality of structural unit bodies are utilized to construct by suitably assembling the unit bodies. Each structural unit body comprises an outer flange and... |
| US-3,978,915 |
Condenser with leak detecting apparatus This application discloses an apparatus for detecting leaks or thin spots in condenser tubes by means of ultra-sonic radiations. A number of ultrasonic... |
| US-3,978,914 |
Rotary ceramic heat exchanger mounting A heat exchanger and mounting structure therefor for use in connection with incinerators, for example, the heat exchanger formed of a ceramic wheel with a... |
| US-3,978,913 |
Incinerator and heat exchanger structure therefor A heat exchanger and mounting structure therefor for use in connection with incinerators, for example, the heat exchanger formed of a ceramic wheel with a... |
| US-3,978,912 |
Regenerative heat exchanger A regenerative heat exchanger particularly for a gas turbine engine in which there is a stationary heat-storing matrix in each of the flow-paths for the fluids... |
| US-3,978,911 |
Tilting centrifugal casting machine A tilting centrifugal casting machine for producing a compound solid roll by centrifugally casting the outer shell and inner layer into an integral structure.... |
| US-3,978,910 |
Mold plate cooling system A continuous slab casting mold plate formed of an inner face plate fastened face to face to an outer backing plate, and having curved side edges. A number of... |
| US-3,978,909 |
Mold with convex sidewalls for continuous casting machines An open ended mold for a continuous metal casting machine is disclosed having a pair of sidewalls and a pair of end walls narrower than the sidewalls, which... |
| US-3,978,908 |
Method of die casting metals Molten metal is mold or die cast by contacting the molten metal-contacting surface of the mold or die with a die lubricant or parting agent in the vapor form and... |
| US-3,978,907 |
Method of electroslag remelting by melting main and additional
electrodes and machine for effecting said method A machine in which there is provided a mold mounted on a base plate, a main electrode and an additional consumable electrode and a power supply source connected... |
| US-3,978,906 |
Process for the rapid production of foundry molds and cores and to a
composition for use therein A contact adhesive that is a polymeric material with a major proportion of a tackifier is applied to sand in making a foundry mold. No curing step for the... |
| US-3,978,905 |
Canvas stretcher frame A rigid non-expandable frame for holding an artist's canvas or the like, has permanently coupled thereto a plurality of independently operable clamps. The clamps... |
| US-3,978,904 |
Knotless master carrier In a traverse rod assembly, a draw cord is trained around rollers at opposite ends of the rod with an intermediate portion of the cord also being trained around... |
| US-3,978,903 |
Tubeless tire bead seater Apparatus for seating and inflating tubeless tires, particularly tubeless tires of large sizes, wherein a wheel having a tubeless tire placed thereon is elevated... |
| US-3,978,902 |
Locator-holder for keys This invention provides a new and simplified method of suspending keys within a purse through the use of flexible magnetic tape, secured to the wall of a purse,... |
| US-3,978,901 |
Elastic storage tank An elastic, fluid-impervious storage tank includes an outer tank member which is comprised of a pair of end tank sections and an intermediate tank section, the... |
| US-3,978,900 |
Carbonated beverage filler A filling apparatus for carbonated beverages including a filling valve connected to a beverage source under pressure and including a measuring cylinder movable... |
| US-3,978,899 |
Closure for a steel band or strap placed around one or more articles and
method and device for making said closure A closure band and a method for interconnecting the overlapping ends of the band and an apparatus for making the connection in which incisions are formed... |
| US-3,978,898 |
Rapier looms A rapier loom comprises at least two rigid weft carriers, rocking lever mechanisms adapted to impart opposed reciprocatory movements to said carriers, a... |
| US-3,978,897 |
Weft extending carrier A weft extending carrier for shuttleless looms adapted to insert single picks of weft into separate sheds formed by warp threads. The carrier is provided with an... |
| US-3,978,896 |
Weft thread inserting nozzle A weft thread inserting nozzle, comprising a hollow needle, having a closed tip at one end and the other end of which is adapted to be connected to a source of... |
| US-3,978,895 |
Driving mechanism for selvage forming knitting needle in shuttleless loom A driving mechanism for selvage forming knitting needles in shuttleless looms is a linkage comprising a pair of upper and lower horizontal links and a pair of... |
| US-3,978,894 |
Energy absorbing tear-webbing An improved tear webbing is fabricated of two woven straps offering graduy increasing resistance to tearing of the pile yarn woven between the straps to assure... |
| US-3,978,893 |
Apparatus for detecting success in weft insertion of shuttleless looms On shuttleless looms on which wefts are inserted into sheds being carried on air or water jet flow, the leading end of the inserted weft is urged sideways to... |
| US-3,978,892 |
Self-locking plug apparatus for sealing and recovering a pipeline laid
on a deep submerged bed A self-locking plug, for use in the recovery of a pipeline laid on a deep submerged bed, consists of the combination of a cylindrical body having a rear section... |
| US-3,978,891 |
Quieting means for a fluid flow control device Quieting means for a fluid flow control device is shown in connection with a typical spool type throttling valve. The quieting means consists of a stack of... |
| US-3,978,890 |
Flow control cam A proportioning valve for controlling the mixture of two fluids includes a valve body provided with an internal recess, a pair of inlet ports and an outlet... |
| US-3,978,889 |
Steam supply control device A steam supply control device is disclosed which is adapted for use with an electro-hydraulic governor so as to control the rotational speed of an auxiliary... |
| US-3,978,888 |
Rotary measuring valve An analyzing apparatus which automatically and sequentially analyzes a large number and variety of chemical samples which are divided into a plurality of... |
| US-3,978,887 |
Programmable water valve A programmable water valve is provided wherein a twenty-four hour electric time controls the operation of a solenoid actuated valve. An interval of time is... |
| US-3,978,886 |
Backflow safety valve for therapy pools A valve which is particularly adapted for use as a backflow safety valve for therapy pools, in which it prevents water from flowing through the air supply line... |
| US-3,978,885 |
Unbalance pressure actuator for a flow control apparatus having noise
and vibration reducing arrangement thereon A flow control apparatus which has an external conduit for conducting fluid from a region having a pressure therein higher than the pressure immediately beneath... |
| US-3,978,884 |
Position regulator A position regulator is provided which is effective to control, via a control unit, a pressure medium circuit to operate a different working pressures. The... |
| US-3,978,883 |
Device for regulating the combustion air of a furnace, especially with
oil- or gasburner and blower for heating... The invention relates to a furnace type air throttle assembly which operates in a manner to supply a constant volume of air per unit time. This is done with a... |
| US-3,978,882 |
Mover unit for irrigation line A wheeled mover unit has mounted to the frame thereof a ring gear, and a rollingly movable irrigation line has fixed thereto oppositely extending arms, to which... |
| US-3,978,881 |
Gas line pierce valve The invention provides a valve assembly for use on a refrigerating pipe line to gain access to the refrigerant so that it can be removed or replaced without... |
| US-3,978,880 |
Regulator valve diaphragm and valve assembly including the same A diaphragm and valve assembly using the same for controlling fluid flow from a pressurized source of fluid. The diaphragm is longitudinally perforated at a... |
| US-3,978,879 |
Control means for hydrostatic steering systems and the like The invention relates to a control valve assembly for a hydrostatic control system such as power steering assembly. A common control valve assembly of this type... |
| US-3,978,878 |
Resilient supply and exhaust valve A valve device includes a body member and valve members and is adapted for use in breathing apparatus, such as respirating apparatus, wherein sensitivity of... |
| US-3,978,877 |
Method and apparatus for monitoring and controlling the composition of
flammable gas mixtures An improved apparatus for monitoring and controlling the composition of a flammable gas mixture to prevent accumulation of explosive gas mixtures in a... |
| US-3,978,876 |
Pneumatic pressure regulator A high stability pneumatic pressure regulator is provided by the use of a movable vane and nozzle assembly to operate a valve plug and thereby change the... |
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