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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 |
| 4568366 | In-line filter An in-line set filter for parenteral solution sets and the like which comprises a tubular housing having first and second ends. A bundle of filter tubes is positioned within the housing, the filter tubes preferably being folded so that all ends of the fil... | 02/04/1986 |
| 4043333 | Clamp-on injection site A disposable self-locking injection site can be clamped onto tubing anywhere along the line. The injection site includes a tubular barrel having two sections integrally hinged together with snap-fitting coupler parts which lock the sections together in a ... | 08/23/1977 |
| 4035305 | Support member construction for semipermeable membrane A support member for use in a coil dialyzer to support an elongated, tubularly-shaped, semipermeable membrane is disclosed herein. The member is embossed and has generally angularly extending parallel ribs on both sides of the web. The ribs are arranged s... | 07/12/1977 |
| 4028253 | Dialyzer connector system A connector system for use in a dialyzer is disclosed herein for connecting an external fluid conduit to a tubularly-shaped, semipermeable membrane. The system protects the membrane from forces imposed on the conduit. The system includes a jack member, wh... | 06/07/1977 |
| 4026669 | Variable capacity reservoir assembly A variable capacity reservoir assembly for use in a blood oxygenation system which includes a collapsible reservoir and an elongated unitary clamp. The reservoir is of fluid-impermeable flexible material and includes an expandable portion capable of holdi... | 05/31/1977 |
| 4025500 | Preparation of albumin by fractionation of blood plasma or serum A method of fractionating coagulation factor-depleted blood serum or plasma by selective precipitation with block copolymers of ethylene oxide and polyoxypropylene polymer to provide immunoglobulin preparations, albumin-containing fractions and organ perf... | 05/24/1977 |
| 4016081 | Staged membrane diffusion device and membrane support A diffusion device is disclosed made from a stack of pairs of semi-permeable membrane walls and plate members positioned between adjacent membrane wall pairs for support thereof. Flow conduits extend transversely of the stack in communication with flow pa... | 04/05/1977 |
| 4009107 | Multi-level support member for use with semipermeable membrane A support member for use in a coil dialyzer to support an elongated, tubularly-shaped, semipermeable membrane is disclosed herein. The member is embossed and has generally angularly-extending parallel ribs on both sides of the web. The ribs are arranged s... | 02/22/1977 |
| 4009108 | Dialyzer construction A coil dialyzer is disclosed herein which includes a hollow core assembly to which an inlet blood conduit is connected. A semipermeable membrane and a support member are connected to the core and wound about the core. An outlet jack assembly is connected ... | 02/22/1977 |
| 4008157 | End seal construction for semipermeable membrane A coil dialyzer for use in an artificial kidney system which employs an elongated, open-ended tubularly-shaped, semipermeable membrane is disclosed herein. The ends of the membrane are sealed by forming a flap at each end thereof which defines a fold line... | 02/15/1977 |
| 4006088 | Snap-lock button-type fluid connector with recess A button-type fluid connector is disclosed herein for use in a coil dialyzer. The connector provides fluid communication between a fluid conduit and a tubularly shaped, semipermeable membrane. The connector includes a cap and an integral barrel extending ... | 02/01/1977 |
| 3997221 | Electronic equipment cabinet A housing for electronic equipment includes a bottom cabinet and an upper compartment mounted thereon with the cover of the compartment including a front panel having operating buttons and/or other control features located thereon. The rear walls of the u... | 12/14/1976 |
| 3996027 | Swirling flow bubble trap A device for separating low density materials such as gas bubbles from a liquid is disclosed which comprises a chamber defined by an inner wall which in turn defines generally circular, transverse cross-sections about a longitudinal axis. The liquid inlet... | 12/07/1976 |
| 3994988 | Thermoplastic copolymers of polysiloxane polycarbonate and polyester constituents There is disclosed thermoplastic silicone copolymers having polyarylcarbonate and polyarylester constituents covalently bound to a polydiorganosiloxane constituent. The copolymer is produced by reacting a dihydric phenol with a difunctional polydiorgano s... | 11/30/1976 |
| 3993461 | Cardiotomy reservoir A reservoir for the collection, purification, and storage of blood during surgical procedures which comprises a hollow blood storage casing having a hollow, perforated member within said casing extending from end-to-end thereof. Blood defoaming means and ... | 11/23/1976 |
| 3993062 | Hydrophobic valve A hydrophobic valve for use with liquids, such as liquids for intravenous administration comprising a housing provided with inlet and outlet means, both of which communicate with the housing, a resilient, inflatable boot mounted in the housing and positio... | 11/23/1976 |
| 3988802 | Retractable handle assembly A retractable handle assembly for an equipment housing includes a generally U-shaped handle. The side members of the handle are slidably mounted to the housing by means of guide pins which ride in elongated slots on mounting blocks attached to the housing... | 11/02/1976 |
| 3986442 | Drive system for a centrifugal liquid processing system A drive system for a centrifugal liquid processing apparatus or the like wherein a rotor assembly having a container for receiving a liquid to be processed by centrifugation is rotatably mounted on a rotor drive assembly, which in turn is rotatably mounte... | 10/19/1976 |
| 3985135 | Dual chamber reservoir A reservoir for use with blood oxygenation apparatus is described herein. A chamber separator within said reservoir defines, in the interior thereof, a primary chamber and a secondary chamber, with a flow channel, connecting the primary and secondary cham... | 10/12/1976 |
| 3980102 | Mixing valve Two gases are fed to a mixing valve having two outlets, and the proportions of the two gases, at each of the said outlets, is varied inversely in accordance with the position of a moveable portion of the mixing valve. If the back pressure at the two outle... | 09/14/1976 |
| 3980772 | Methods of dissolving blood clots and the like with streptokinase chemically bonded to a carbohydrate matrix One part by weight of streptokinase is chemically bonded to one to five hundred parts by weight of a carbohydrate, to form a material which has improved stability compared with free streptokinase.... | 09/14/1976 |
| 3979665 | Conductivity monitoring system A conductivity monitoring system including a temperature sensing means for sensing the temperature of a fluid and also providing a temperature compensated conductivity signal. Electronic circuitry is provided for detecting and indicating the inoperability... | 09/07/1976 |
| 3977995 | Calibrating fluid for blood cell counting and hemoglobin determination A calibrating fluid for automated instruments for blood cell counting and hemoglobin determination comprising a sterile solution of oxyhemoglobin or other derivative products of hemoglobin and containing latex particles.... | 08/31/1976 |
| 3976073 | Vial and syringe connector assembly A vial and syringe connector assembly is provided for the sterile addition of fluid material to a sealed container having an injection-type access port. The assembly comprises a syringe connector which carries a hollow, injection needle having one pointed... | 08/24/1976 |
| 3976788 | Antipsychotic agents Fluoromethyl fluoropropyl ethers, e.g. CHF2 --O--CH2 CF2 CF3 and CHF2 --O--CF2 CHFCF3, useful for antipsychotic treatment by inhalation sufficient to induce therapeutic convulsions.... | 08/24/1976 |
| 3971088 | Automated meat tenderization system An improved meat tenderizing system is provided in which a pair of oppositely positioned carriage assemblies, each carrying a number of needle manifolds, is operated to align injection needles with a carcass that is conveyed in a longitudinal path interme... | 07/27/1976 |
| 3967901 | Nephelometer having means semiautomatically cancelling components from scattering by particles smaller or larger than those of interest An improved nephelometer for immunochemical complex assay measures forward light scatter in samples. The angle of forward scatter, about 30°, is small enough to result in a large amount of forward scatter from the immunochemical complex particles which a... | 07/06/1976 |
| 3967934 | Prothrombin timer A system and method is provided which has the general capabilities of measuring the speed of coagulation, congealing or solidification of a fluid sample, and which has particular utility in the measurement of the time required by a sample under test to in... | 07/06/1976 |
| 3967113 | Wavelength-corrected spectrofluorometer A spectrofluorometer providing wavelength correction by means of an arbitrary function generator driven by a wavelength scanning element of the spectrofluorometer. The arbitrary function generator may be driven by the emission scanning monochromator to de... | 06/29/1976 |
| 3966543 | Enzyme-treated paper A dilute, aqueous solution of cellulase enzyme complex is applied to the wet paper web during paper manufacture to improve the disintegratability of the paper during subsequent disposal.... | 06/29/1976 |
| 3966333 | Magnetic stirrer noise cancellation system A system for compensating for magnetic disturbances caused by the rotating stirrer magnet of a photometer sample cuvette on the photomultiplier tube of the photometer. To obtain the required compensation, a companion similar magnet is located coplanar wit... | 06/29/1976 |
| 3965536 | Automated meat tenderization system An improved meat tenderizing system is provided in which a pair of oppositely positioned carriage assemblies, each carrying a number of needle manifolds, is operated to align injection needles with a carcass that is conveyed in a longitudinal path interme... | 06/29/1976 |
| 3963621 | Membrane diffusion device having ribbed membrane support A membrane diffusion device is disclosed which comprises flat, tubular, semipermeable membrane, and flexible, ribbed membrane support sheet positioned against said membrane and typically rolled up together into a coil. In accordance with this invention, a... | 06/15/1976 |
| 3957168 | Sealed thermoplastic bottle There is disclosed herein a method for collecting blood plasma in plastic bottles wherein the blood plasma can be stored for periods of time and can then be utilized in obtaining blood fractions therefrom. The method includes the concept of filling a prev... | 05/18/1976 |
| 3956259 | Fractionation of blood using block copolymer of ethylene oxide and polyoxypropylene polymer to recover fraction suitable for organ perfusate A method of fractionating coagulation factor-depleted blood serum or plasma by selective precipitation with block copolymers of ethylene oxide and polyoxypropylene polymer to provide immunoglobulin preparations, albumin-containing fractions and organ perf... | 05/11/1976 |
| 3953790 | Conductivity monitoring system A conductivity monitoring system which includes at least three electrodes disposed within a housing of a conductivity cell, into and through which a fluid to be monitored is caused to flow. One of the electrodes is a common electrode and is positioned clo... | 04/27/1976 |
| 3949933 | Collapsible container A collapsible container comprising substantially identical, oppositely disposed top and bottom panels, each having at least three edges, a pair of side wall panels for each of these edges, each pair comprising upper and lower panels having edges hingedly ... | 04/13/1976 |
| 3949064 | Method of detecting antigens or antibodies This disclosure concerns a solid phase method for detecting antigens or antibodies. An unknown sample is contacted with two sources of solid phase antigen. By treating each source in a particular manner it is possible to determine if the sample contains a... | 04/06/1976 |
| 3949258 | Method and means for suppressing ozone generated by arc lamps A method and means for suppressing ozone generated by high pressure xenon arc lamps and similar luminous discharge arc lamps of a type normally generating ozone. The ozone-generating lamp is enclosed in a gas-tight housing having a quartz or sapphire ligh... | 04/06/1976 |
| 3947250 | Method of immunodiffusion A method of immunodiffusion for determination of proteins of low concentration in biological fluids employing a gel medium containing 2.5-5% block copolymer of ethylene oxide and polyoxypropylene polymer.... | 03/30/1976 |
