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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 4190101 | Heat exchanger tube base Improved tube bundle-type heat exchanger comprising at least one tube base cast from a plastic material, such as poly laurin lactam, with a tube bundle cast in the tube base. Several optional features are also disclosed.... | 02/26/1980 |
| 4181673 | Process for preparing dimethylhydrogenchlorosilane Single-step, pressureless process for preparing dimethylhydrogenchlorosilane (DMS.dbd.(CH3)2 HSiCl) with a content of at least 97% by weight, the product being free of unsaturated hydrocarbons, by adding hexachloroplatinic acid in a ... | 01/01/1980 |
| 4164956 | Switching valves Switching valves, e.g. for a closed-type molding apparatus for manufacturing polyurethane elastomers and the like, comprising a valve body having a plurality of openings, preferably five, serving as inlet and outlet ports, and a preferably rotatable valve... | 08/21/1979 |
| 4135736 | Adjustable boot-ski interface mechanisms Adjustable boot - ski interface mechanisms for providing elevational adjustment of a skier's boot with respect to the ski and with respect to a separate, extraneous, releasable binding that is fixed to the ski, wherein the binding exerts a predetermined r... | 01/23/1979 |
| 4118657 | Circuit arrangement for providing a saw-tooth current in a coil In a circuit arrangement for providing a periodic saw-tooth current in a coil, e.g. a kinescope deflector coil, comprising a one-way conducting device that connects the coil to a voltage source, and a controllable switching device having a control electro... | 10/03/1978 |
| 4106115 | Mixing apparatus This invention relates to a material mixing apparatus for use, for example, in the preparation of polyurethane elastomers, wherein a mixer chamber, a set of switching valves and pipelines are maintained to ensure a constantly flowing state for the materia... | 08/08/1978 |
| 4093391 | Milling cutter head for making arcuate toothing Milling cutter head for making arcuate toothing, comprising a substantially disk-shaped carrier body that is surrounded by a locking ring, the body having therein one or more pairs of grooves of a stepped cross-section, for receiving a corresponding numbe... | 06/06/1978 |
| 4074834 | Casting head with toggle lever actuated valve A casting head for cooperation with a mold in which hardenable synthetic resins can be cast under a high temperature, comprising: a stationary and a respectively movable head part; at least one hydraulic cylinder in the stationary head part to change the ... | 02/21/1978 |
| 4062552 | Tool-holder chuck A tool-holder chuck for receiving therein a tool holder provided with various tools such as end mills or drills, etc., e.g. in a milling machine, which chuck can be changed easily when necessary, comprising a clamp including a nut which is threaded to a c... | 12/13/1977 |
| 4038302 | Process for preparing 2-(cyclohexenyl-4-)ethyl-silicon compounds and novel products made thereby Process for preparing 2-(cyclohexenyl-4-)ethyl-silicon compounds from Si compounds containing SiH groups by reacting the latter compounds with vinylcyclohexene-4 in the presence of H2 PtCl6 as addition catalyst at normal pressure and... | 07/26/1977 |
| 4026045 | Boot sole structures Boot or footwear sole structures and assemblies adaptable to various conditions where components are fixed to the sole between the heel and the toe portions of the boot by the forced interaction of opposed bearing surfaces on the components, with supporti... | 05/31/1977 |
| 4023436 | Articulated handlebars for bicycles and the like Articulated handlebars for bicycles, motorcycles and the like, which have conventional support means thereon for handlebars, comprising elongated, substantially horizontal attaching means with a clamp or a pair thereof for removably fixing the attaching m... | 05/17/1977 |
| 4014254 | Device for wrapping sheets around food in rolled form and other food processing devices Individually and combined, in a device for wrapping pre-cut dough sheets around a mixture of minced vegetables, meat and the like, to make rolled food: a device for supplying the mixture to the dough sheets; a device for doubling the filled dough sheets; ... | 03/29/1977 |
| 3996902 | Waste-gas suppressor for internal-combustion engines Waste-gas suppressor for internal-combustion engines, utilizing negative pressure generated in the carburetor of the engine. A water regulator operated by the negative pressure adjusts water flow in proportion to engine speed, the water being evaporated b... | 12/14/1976 |
| 3993165 | Lubricant dosing device Lubricant dosing device for double-action, two-conduit central lubricating systems, wherein a housing has therein two piston chambers, an outlet control chamber, two inlets for a pressurized lubricant, and two outlets for predetermined dosed amounts of th... | 11/23/1976 |
| 3974535 | Boat hull with spherical dome A boat comprising a hull the general shape of which is a spherical dome which in the fore part of the boat extends to above the water-line at maximum load while at the sides the part of the hull above the water-line departs from a spherical shape and prog... | 08/17/1976 |
| 3966240 | Quick-action pipe joint Quick-action pipe joint having a pair of clamp members in which tapered groove portions are adapted to engage the peripheries of flanges of the pipes to be connected. The members are curved so as to be able to encircle the pipe flanges, one end of each cl... | 06/29/1976 |
| 3952765 | Device for separating air bubbles of fluids in piping, and silencing water flow A device for separating air bubbles from fluids, e. g. feed water, to provide smoother flow thereof, and to protect the piping against corrosion. The device comprises a large hollow cylinder intercalated in the piping and an air-cushion member at the top ... | 04/27/1976 |
| 3931696 | Device for making sections for specimens and specimen supports therefor Device for making sections for specimens and specimen support therefor, namely for thin sections and ground surfaces of metallographic specimens for microscopic analyses. The device includes a rotatable polishing wheel with at least two of the specimen su... | 01/13/1976 |
| 3930439 | Device for wrapping sheets around food Device for wrapping thin dough sheets around a mixture of minced vegetables and meat. The mixture is wrapped into the sheet by the reciprocal movement of a belt. One end of the belt is secured to a cradle and the other end to a slide plate. The latter is ... | 01/06/1976 |
| 3930440 | Device for conveying rolled food Device for conveying or transferring rolled food, namely semi-finished materials in a chain of procedural steps to the next step. A comb-shaped cradle is secured to each stage processing device, and travelling comb-shaped cradles pass the fixed cradles up... | 01/06/1976 |
| 3930441 | Device for processing dough Device for processing dough, specifically one that forms dough sheets having a desired thickness and bakes them. Dough in a hopper is injected from a flat nozzle by a gear pump and stuck onto the rotating drum. The latter is heated and the dough sheet is ... | 01/06/1976 |
| 3930958 | Desalination apparatus Desalination apparatus with the double feature of condensation and evaporation, comprising plural dish-like condensing elements piled coaxially, wherein a sloped bottom diaphragm is provided in each element, at the lower part of each of which an upwardly ... | 01/06/1976 |
| 3930343 | Device for mounting specimens Device for mounting specimens for the purpose of lapping, grinding and polishing metallographic specimens for microscopic analyses, comprising a rotatable polishing wheel with a number of specimen holders disposed thereabove, a driving roller centrally lo... | 01/06/1976 |
