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| Number | Title | Issue Date |
| 4785713 | Driving device, in particular for a proportioning pump of the piston-flowmeter type In a driving device of the piston-flowmeter type, in particular for a proportioning pump, a distributor is mounted at one end of a piston cylinder for controlling the admission and discharge of fluid within two chambers formed respectively on each side of... | 11/22/1988 |
| 4785578 | Plant growing frame A plant growing frame for securing a number of form-stable growing medium blocks so that, after they are placed in the frame, they are mutually separated by air spaces running from under the bottom and up between and over the growing medium blocks to cont... | 11/22/1988 |
| 4781091 | Conveyor system for conveying veneer sheets with spacings therebetween A conveyor system for conveying veneer sheets with spacings therebetween comprising a sheet supply conveyor for feeding a train of cut veneer sheets of a predetermined length in contact with one another, the cut sheet length measured in the direction of s... | 11/01/1988 |
| 4780198 | Hybrid high rate anaerobic treatment apparatus An anaerobic reactor for treatment of waste water comprises a primary reactor or zone of the suspended growth type and a secondary reactor or zone of the fixed filter bed type disposed directly above and in liquid contact with the primary reactor. Liquid ... | 10/25/1988 |
| 4778186 | Board game Board game including a board provided with an annular path along which player's tokens may advance, the annular path being arranged concentrically about a central pivot axis and being divided into twelve equal segments each representing a respective one o... | 10/18/1988 |
| 4776858 | Bait coloring composition A composition for coloring bait which comprises (a) at least one biologically acceptable and palatable colorant; (b) a mordant for binding said colorant to live bait; (c) a surfactant or an acidulant; and (d) an aqueous carrier. A kit for coloring live ba... | 10/11/1988 |
| 4777354 | System for controlling the supply of utility services to consumers System for controlling the supply of utility services, such as electricity, gas, water, and oil, and other services, such as telephone, cable television, and the like to a consumer. The system includes one or more service supply control units for controll... | 10/11/1988 |
| 4775227 | Electrochromic device An electrochromic device consists of the layers: tin-oxide-coated glass; rare earth diphthalocyanine (REDPC); membrane electrolyte; REDPC; tin-oxide-coated glass. The REDPC is the electrochromic layer and contains a mixture of rare earths as obtained from... | 10/04/1988 |
| 4774831 | Method and a device for determining moisture content The present invention relates to a method and a device for determining the moisture content in a moist material in the form of particles or pieces, such as sand, gravel, dry mortar, coal, chips, and the like. In accordance with the invention, partly the c... | 10/04/1988 |
| 4775007 | Heat exchanger for an air-conditioning apparatus A heat exchanger comprises a plurality of regularly corrugated fins placed one over another in layers at regular pitches in a back-to-back arrangement so as to form alternate wide and narrow fluid passage between the adjacent corrugated fins, and each hav... | 10/04/1988 |
| 4774325 | New 8-substituted nucleoside and purine derivatives, the process for the preparation thereof and the pharmaceutical compositions containing them New 8-substituted nucleoside and purine derivatives of the general formula: ##STR1## wherein R represents an amino group or an hydroxy group possibly in the corresponding keto tautomeric form, R1 is hydrogen or an amino group, R2 | 09/27/1988 |
| 4771516 | Device for the inter-connection of ropes The invention relates to a device for holding two ropes or corresponding elongated bodies together in a fixed relation to each other at a right angle or parallel to each other. The device is characterized in that it comprises two essentially identical hal... | 09/20/1988 |
| 4771584 | Concrete block wall construction method A hollow concrete block wall, and method of making same, are disclosed. A first course of hollow concrete blocks are laid end-to-end abutting relationship, a pair of separate redwood strips are placed on top of the wall, a second course of hollow concrete... | 09/20/1988 |
| 4771368 | Meter dial illuminating device A meter dial illuminating device for illuminating a dial by means of a light incident upon a back surface thereof. The dial is formed of a light transmitting material except at a portion where characters and a scale are indicated. As a result, the front s... | 09/13/1988 |
| 4770097 | Mining method with no delay between shot initiator and firing A method for the electrical sequential initiation of explosions in which a series of detonators (D1-D11) is located in association with a series of explosive charges spaced from one another and in which a shot initiator 12 is used sequentially to initiate... | 09/13/1988 |
| 4770393 | Butterfly valve A butterfly valve comprises a valve housing (1) with an axial passage (4) for a fluid medium; a valve seat in the form of a seat ring (8) which is displaceable within a slot (7) in the valve housing in a radial direction relative to the axial passage, the... | 09/13/1988 |
| 4769483 | Cycloalkyl-substituted 4-aminophenyl derivatives and process for their preparation The invention relates to cycloalkyl substituted 4-aminophenyl derivatives of formula (I) ##STR1## wherein R is C1 -C4 alkyl: n is an integer of 1 to 5; and either (a) A is ##STR2## and B is --O--, --NH-- or --CH2 | 09/06/1988 |
| 4769255 | Spreadable butter-like composition and method for production thereof A method is provided for producing a butter-like composition which has a taste, texture and mouth feel similar to butter but which is speadable at refrigeration temperatures. A feed of at least one liquid dairy product which is primarily and oil-in-water ... | 09/06/1988 |
| 4769434 | Lignin derivative polymers A polymer material of the product of reaction of a grass plant lignin derivative comprising lignin polymer fragments recovered from black liquor obtained in the pulping of grass plant material and containing an average of more than 0.4 sites per phenyl pr... | 09/06/1988 |
| 4767909 | Method for perforating a sheet-shaped material and perforating apparatus utilizing pulsed laser beams A sheet-shaped material such as tipping paper of a cigarette is perforated by comprising the steps of: (1) generating a circular single pulsed laser beam, (2) beam-splitting the single pulsed laser beam into first and second pulsed laser beams by utilizing a b... | 08/30/1988 |
| 4766910 | Content tobacco amount controlling device for a cigarette making machine A content tobacco amount controlling device for use with a cigarette making machine of the type including a cigarette conveyor, a tobacco trimming device, and a tobacco wrapping device. The controlling device includes first and second radio ray density de... | 08/30/1988 |
| 4767687 | Battery separator In an alkaline dry cell battery separator being a laid mat of non-dissolvable polyvinyl alcohol fibers held together by a matrix of dissolved or partially dissolved dissolvable polyvinyl alcohol fibers, the improvement comprising the mat having up to 85% ... | 08/30/1988 |
| 4766214 | Ethers of substituted hydroxymethylpyrazines The compounds of the invention have the following general formula (I) ##STR1## wherein each of the groups R, R1 and R2, which may be the same or different, represents a hydrogen atom, a C1 -C6 alkoxy or C | 08/23/1988 |
| 4765849 | Low-alloy steel material, die blocks and other heavy forgings made thereof A method for manufacturing a low-alloy steel product having a very high hardenability in relation to its alloying content is disclosed. The method includes the steps of melting the steel; adding thereto a micro-alloying ingredient selected from group cons... | 08/23/1988 |
| 4765104 | Brick panel A transportable brick panel consisting of a top reinforced concrete beam, a bottom reinforced concrete beam, brickwork consisting of a plurality of courses of bricks with mortar filled joints extending between said beams and including door or window openi... | 08/23/1988 |
| 4766142 | Poly-4-aminopyrrole-2-carboxamido derivatives and their use as antiuiral or antitumor agents Compound of the formula (I) ##STR1## wherein n is zero or an integer of 1 to 3; R is (a) --NHR3, wherein R3 is (a') --CON(NO)R4, in which R4 is C1 -C4 alkyl either unsubstituted or substitu... | 08/23/1988 |
| 4764541 | Process for preparing polyurethane foams in the presence of a polyether acid A flexible polyurethane foam formulation which is non-reactive at or near ambient temperature is provided. The formulation comprises a polyisocyanate, a polyfunctional active hydrogen containing compound, an amine catalyst, a blowing agent and a polyether... | 08/16/1988 |
| 4762427 | Sensor for measurement by electrical heating A sensor for measuring the temperature of a liquid or semi-solid material by electrical heating. A core rod has disposed thereon a first electrically insulating member and a thin metal wire is wound about the first insulating member on the core rod. A sec... | 08/09/1988 |
| 4762472 | Air pump assemblies The invention resides broadly in an air pump assembly including an electric motor operatively connected to an air pump having an outer casing provided with pump inlet and outlet means; an outlet chamber communicating with said pump outlet means and having... | 08/09/1988 |
| 4761396 | Heat-sensitive recording material In a heat-sensitive recording material comprising a colorless or pale-colored basic dye and an electron accepting reactant material which is reactive with the basic dye to form a color when contacted therewith, and comprising at least one of the specific ... | 08/02/1988 |
| 4760832 | Metering of fuel to an engine A fuel metering and injection system for an internal combustion engine circulates fuel through a metering chamber (11) via valved fuel inlet and fuel outlet ports (25, 26) to prepare a metered quantity of fuel. Compressed gas is introduced into the meteri... | 08/02/1988 |
| 4761100 | Method of tapping on a press, and apparatus for implementing the method Tapping apparatus comprising: a body (5) suitable for being mounted on a moving element (4) of a press; a system of multiplying gears (14) having their axes parallel to the direction (F) of motion of said element, and placed on said body; a motion transfo... | 08/02/1988 |
| 4759335 | Direct fuel injection by compressed gas A fuel injection method and apparatus for in-cylinder injection in an internal combustion engine. Compressed air is used to inject the fuel through an injection nozzle (43) particularly shaped so that different fuel spray patterns are produced at high and... | 07/26/1988 |
| 4759494 | Liquid-proof envelope with attached identification form Packaging article comprising a form having at least one straight side for identification data to be provided thereon and an envelope attached to the straight side of the form. The envelope is internally liquid proof and has an open side and an interior fo... | 07/26/1988 |
| 4758000 | Games stroke practicing apparatus Practice apparatus for positioning a user in a golf stance and for guiding the user's body through a golf stroke. The apparatus includes a support for supporting an elevated crank arm assembly for pivotal movement about a golf stroke swing axis located by... | 07/19/1988 |
| 4757061 | 4-amino androstendione derivatives and process for their preparation The invention discloses 4-substituted androstendione derivatives of the following formula (I) ##STR1## wherein R is amino or substituted amino or azido, one of R1 and R2 is hydrogen and the other is hydrogen, alkyl, alkenyl or a... | 07/12/1988 |
| 4756400 | Product supply system for accumulation packaging machine A product supply system for an accumulation packaging machine which may permit a high speed operation of a product discharge section and smoothly supply a product to the accumulation packaging device with a row arrangement of the product retained. The pro... | 07/12/1988 |
| 4756329 | Devices for the injection of an additive product metered into a main fluid The invention relates to a device for injecting a metered product into a main circulation of liquid, comprising a metering piston (28) coupled to a stepped piston (11) whose motion results from the pressure of the main fluid in a known manner. The piston ... | 07/12/1988 |
| 4755619 | Pharmaceutical compositions Compounds of formula (II) ##STR1## wherein R1 and R2 are each separately selected from hydrogen, alkyl, alkenyl and alkynyl groups having up to a maximum of four carbon atoms and being unsubstituted, and alkyl, alkenyl and alkyn... | 07/05/1988 |
| 4754735 | Control of fuel injection apparatus for internal combustion engines A fuel injection apparatus for an internal combustion engine comprising a metering device to adjust the quantity of fuel delivered each cycle of the device in response to conditions in the engine induction passage, a control activating said device to effe... | 07/05/1988 |
