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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 4180594 | Cereal-based product and process for its production A cereal-based product containing, in addition to cereal, sugar, fat and whey powder. A process for the production of a cereal-based product, comprising the steps of dry mixing flakes of cereal, sugar and whey powder, working the mixture in a continuous m... | 12/25/1979 |
| 4064119 | Soluble soy protein A process for the preparation of a soluble fraction of soya proteins which comprises at least partially extracting the proteins present in soya in aqueous medium at a pH value below the isoelectric point of soya proteins to obtain an acid extract of soya ... | 12/20/1977 |
| 4030837 | Method and apparatus for automatically measuring distribution of reflectance of coals A method and apparatus for automatically measuring the distribution of reflectance of coals is given, which comprises the steps of vertically projecting light to samples of coals on a movable stage, allowing a photodetector to receive said light through a... | 06/21/1977 |
| 4028865 | Control mechanism for carton sealing machine elevator head Tape sealing machine elevator head control equipment which avoids tipping up a loaded and tape-sealed carton as it is being advanced to the machine discharge end for withdrawal of its trailing end from beneath lowered and loading elevator head bearing dow... | 06/14/1977 |
| 4025671 | Method for applying continuous longitudinal bands of liquid coating to a moving strip Method for coating a continuous moving strip of material with a liquid coating material such as a plastic or polymer material is disclosed and in which the moving strip to be coated is directed in contacting engagement with a curved peripheral surface on ... | 05/24/1977 |
| 4022265 | Method for enlarging the width of a cast piece in a continuous casting operation A method of enlarging width of a cast piece during continuous casting. It comprises stopping pouring a molten steel into a mold during continuous casting, positioning a supporting plate at the bottom of the mold without lowering the surface of the bath, m... | 05/10/1977 |
| 4022953 | Zinc electrodes for secondary batteries Electrodes containing zinc active material include a cadmium additive enhancing adherence of the electrode for zinc electroreduced from the solid zinc compound state or deposited thereon from electrolytes. Zinc alkaline batteries employing such electrodes... | 05/10/1977 |
| 4021582 | Water-dispersible composition and process for production A water-dispersible composition is disclosed. This composition contains co-agglomerates of finely-divided particles of a normally non-dispersible material and a silicon dioxide flow agent having a thin coating of edible fat. The composition may optionally... | 05/03/1977 |
| 4021175 | Extrusion device An extrusion nozzle, especially suitable for texturing proteinaceous materials, comprising an elongate body having a side wall defining an axial passage, at one extremity of the body the side wall having longitudinal slits defining at least two fins the f... | 05/03/1977 |
| 4019942 | Maintaining plasticizer temperature in tobacco filter rod formation, and apparatus therefor The temperature of the plasticizer material which is applied to a tow band of filter material in a cigarette rod forming operation is maintained at substantially the ambient temperature of the environment in which the forming operation is being carried ou... | 04/26/1977 |
| 4018752 | Ultrafiltration process for the recovery of proteins from milk A process for isolating a protein fraction from an aqueous solution or suspension containing the said fraction in admixture with other substances, which comprises subjecting the aqueous solution or suspension to ultrafiltration to obtain a retentate, dilu... | 04/19/1977 |
| 4016740 | Method and an apparatus for the manufacture of a steel sheet A steel sheet, especially a thin one, can be manufactured from a hot rolled coil through heat treating steps by means of positively applying stress to the material. The product has excellent shape and mechanical properties such as drawability and toughnes... | 04/12/1977 |
| 4015514 | Apparatus for making cigarette filters Apparatus for feeding low density particulate material into spaces between filter plugs secured spacedly to filter wrap provides for fluidizing the material and transferring the fluidized material by suction into such spaces. The filter plugs and wrap are... | 04/05/1977 |
| 4016337 | Water-dispersible composition and method for production A water-dispersible composition is disclosed. This composition contains co-agglomerates of finely-divided particles of a normally non-dispersible material and a silicon dioxide flow agent having a thin coating of an emulsion of edible fat and glycerol. Th... | 04/05/1977 |
| 4012531 | Process for extracting antioxydants Antioxidant substances are disclosed. These substances are obtained by extraction of an organic plant material with an aqueous basic solution having a pH-value of from 7 to about 11.5, separation of insoluble material, and collection of the soluble fracti... | 03/15/1977 |
| 4010726 | Device for preventing an overrunning operation of an internal combustion engine A device for preventing an overrunning operation of an internal combustion engine, provided in a capacitor discharge type ignition system comprising a magneto generator including an ignition power coil and at least one loading coil and an ignition circuit... | 03/08/1977 |
| 4008104 | Method for dephosphorization and denitrification of an alloy containing easily oxidizable components Cr alloy, Mn alloy or Mo alloy can be dephosphorized and denitrified simultaneously with a flux newly prepared. The flux comprises metallic Ca, Mg, Ba or Sr and halides thereof. There is no loss of valuable alloying component in this method.... | 02/15/1977 |
| 4006579 | Automatic carton closing machine having a three-position carton stop paddle including a sloped intermediate one as an upfolded bottom end flaps guiding ramp Automatic carton closing machine equipped with a swingable stop paddle between a bottom prone position allowing carton advance thereover; an upright carton stopping position in the carton advancing path; and an intermediate oblique upwardly and forwardly ... | 02/08/1977 |
| 4005668 | Material transfer method and apparatus Material is collected in radially extending slots opening into the outer periphery of a first wheel intermittently rotated about a first axis to successively dispose material-containing slots at a registration location. A second wheel is rotated synchrono... | 02/01/1977 |
| 4004718 | Syringes A syringe, especially for measuring microliter amounts, which comprises a barrel having over at least a part of its length an inner liner composed of a resilient plastics material surrounding a bore and a piston slidable within the liner bore, the maximum... | 01/25/1977 |
| 4001090 | Process and apparatus for the culture of microorganisms A process for the aerobic culture of a microorganism in a fluid nutrient medium therefor containing at least one source of carbon assimilable by the microorganism, in which a culture broth consisting of the fluid nutrient medium and of a cellular mass of ... | 01/04/1977 |
| 3999730 | Trolley conveyor track switch unit A switch rail for a trolley conveyor track system is disclosed, the switch rail comprising an inherently flexible rail segment joined to a straight rail segment, the switch rail being movable from first to second switching positions for connecting a first... | 12/28/1976 |
| 3999978 | Method for making steel by the use of a flux treated by carbon dioxide A quicklime is treated by CO2 gas so as to form a CaCO3 film on the surface of the particle thereof. It serves to prevent moisture absorption so that a steel making process, especially for the production of low hydrogen steel, can be... | 12/28/1976 |
| 3998197 | Signal source for use in a breakerless ignition system for an internal combustion engine A signal source for use in a breakerless ignition system for an internal combustion engine provided outside a bowl-like flywheel of a flywheel type magneto generator, but cooperating with at least one of a plurality of permanent magnets in said magneto ge... | 12/21/1976 |
| 3995900 | Reusable security tag A reusable security tag has an enclosure containing an element detectable by independent means and a cruciate sheet metal clutch lock. A pin for piercing a garment is secured at the end of a lever arm which is hinged to said enclosure for controlled movem... | 12/07/1976 |
| 3995910 | Cigarette filter rod transfer apparatus having rod kinetic energy absorber A pneumatic conduit cigarette rod transfer system includes an energy absorbing assembly adapted to dissipate the kinetic energy of rods traversing a guide on issuance from the conduit to avert end shape alteration of transferred rods.... | 12/07/1976 |
| 3995067 | Coffee extraction process An improvement to conventional processes for countercurrent extraction of roast ground coffee is disclosed. Therein, fresh roast ground coffee is contacted with previously produced aqueous coffee brew, and then the resultant admixture is added to the extr... | 11/30/1976 |
| 3992832 | Stairway safety suspension support means Stairway safety suspension support means that includes overhead means and extending along the stairway above the flight of stairs, from which are suspended successively a plurality of depending loops of flexible strand means with the bottoms of the loops ... | 11/23/1976 |
| 3992983 | Preparation of tea extracts A process for preparing a tea extract is disclosed in which a heated aqueous tea slurry is confined in a first zone separated from a second zone by a liquid-pervious barrier, a body of extraction liquid is maintained in said second zone to permit diffusio... | 11/23/1976 |
| 3993789 | Red pigment and process A red colorant having the general formula ##SPC1## In which R represents an aliphatic radical, and R' represents the radical of a compound of the formula H2 N--R', which compound is an amino sugar, a polymer of an amino sugar, a polyamino acid ... | 11/23/1976 |
| 3991458 | Apparatus for use in repairing rolls supporting web material Apparatus for replacing a damaged core having web material wound thereabout comprises an elongate fixture having longitudinally aligned separably stackable sections, one fixture section having configuration in part facilitating insertion of the fixture wi... | 11/16/1976 |
| 3992090 | Optical apparatus for selectively producing rippled message images in areas of specular surfaced photoplastic film and erasing such images from such areas for reuse Camera and imaging processing apparatus for producing rippled message images in frame areas of specular surfaced photoplastic film having a conductive substrate below an upper heat-softenable and image rippleable emulsion layer. Images are formed by image... | 11/16/1976 |
| 3990904 | Method for the preparation of xylose solutions A method for the preparation of xylose solutions from oat husks which comprises: A. hydrolyzing oat husks with a solution of alkali metal hydroxide to provide oat husks from which the chemically bound acetic acid originally present therein has been substa... | 11/09/1976 |
| 3987727 | Apparatus for supplying printing ink to a printing unit Apparatus for delivering printing ink from a tubular cannister filled with ink to a printing unit. The cannister is received in a tubular casing, and an air-operated plunger is forced through the cannister to feed ink from the cannister through a pipeline... | 10/26/1976 |
| 3978234 | Protein composition A protein composition is described, which comprises, on a dry solids by weight basis, 15 to 30% of a fish protein isolate containing at least 90% protein, less than 0.5% of lipids and 1 to 10% of minerals, and having a Nitrogen Solubility Index (NSI) of 8... | 08/31/1976 |
| 3976053 | Apparatus and methods for use in measuring respiration characteristics Laboratory research animals or like subjects are disposed together with a fluid medium in a vessel supporting the head portion of the animal in isolation from the fluid medium and exposed to a separate environment. Fluid medium flow occasioned by movement... | 08/24/1976 |
| 3976804 | Powdered tea product and process for production Dried tea flakes are prepared by vacuum drum drying. A tea extract having a solids content of 40 to 55% is applied to a drum in a film having a thickness of up to 0.09 centimeters. The drum is maintained at an internal temperature of 95° to 125°C. Water... | 08/24/1976 |
| 3975842 | Method and apparatus for dredging employing a transport fluid flowing in substantially closed recirculating course Dredging or suction of a soil suspension from the sea bottom is effected through a suction conduit connected with a suction head enclosure resting on the sea bottom, there concurrently being supplied to the suction head enclosure and through a separate co... | 08/24/1976 |
| 3974938 | Tamper-proof seals A seal in or for a blood bag has a first tamperproof seal consisting of a tube with an end wall separated by a line of weakening from an access passage. The line of weakening is torn open to gain access to the passage. The end wall is attached also by a f... | 08/17/1976 |
| 3974525 | Method of knitting socks having a closed toe In knitting socks in a string of such socks on a circular knitting machine, a double fabric is knitted in order to close the toe, further courses then being knitted with a heat-shrinking yarn, followed by knitting courses with a washable yarn, after which... | 08/17/1976 |
