Celebrity Inventors
Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4767397 | Apparatus for liquid separation Apparatus for the centrifugal fractionation and component-isolation of liquid material has a nonflexing radially-movable pressure panel disposed between a first liquid container stacked radially in front of a second liquid container. The two containers ar... | 08/30/1988 |
| 4446957 | Coin operated article dispensing mechanism A coin operated gumball dispensing slide mechanism is disclosed which has a coin slide slidable over a base plate. The coin slide has a gumball dispensing wall, an aperture for passage of a gumball from a reservoir to the gumball dispensing wall, an actua... | 05/08/1984 |
| 4435168 | Centrifuge rotor apparatus with sling arms Centrifuge rotor apparatus for supporting centrifuge carriers by way of pivoting supports has sling-like rotor arms, each with vertically-spaced upper and lower arm segments joined at a sling seat distal from the rotor hub. Each rotor arm has a channel-li... | 03/06/1984 |
| 4409331 | Preparation of substances with encapsulated cells Disclosed is a system and process for producing substances produced in cells such as antibodies and biological response modifiers. Cells which produce the substance of interest are encapsulated within semipermeable membranes having an upper limit of perme... | 10/11/1983 |
| 4407957 | Reversible microencapsulation of a core material Disclosed is a process for microencapsulating a core material and subsequently releasing the core material by selectively disrupting the membranes of the microcapsules. The encapsulation technique involves the formation of a semipermeable membrane, e.g., ... | 10/04/1983 |
| 4391909 | Microcapsules containing viable tissue cells Tissue cells such as islet of Langerhans cells or liver cells are encapsulated within a spheroidal semipermeable membrane comprising a polysaccharide having acidic groups cross-linked with a polymer having a molecular weight greater than 3,000. The cells ... | 07/05/1983 |
| 4389419 | Vitamin encapsulation Disclosed is a process for encapsulating oils and oil-soluble substances in multi-compartmentalized, mechanically stable microcapsules. The process comprises the steps of first forming an emulsion consisting of a continuous phase comprising an aqueous sol... | 06/21/1983 |
| 4386895 | Apparatus for producing capsules Disclosed is an apparatus for producing capsules of the type which are formed by immersing liquid droplets in a gelling agent. The apparatus comprises a rotor disposed about a central axis of rotation which houses a reservoir for holding the liquid to be ... | 06/07/1983 |
| 4352883 | Encapsulation of biological material A core material such as living tissue, individual cells, hormones, enzymes or antibodies is encapsulated in a semipermeable membrane that is permeable to small molecules for contact with the core material but is impermeable to potentially deleterious larg... | 10/05/1982 |
| 4324683 | Encapsulation of labile biological material A two step interfacial polymerization process for encapsulating operative chemically active substances in high quality semipermeable membranes. An emulsion is formed wherein the discontinuous phase contains the substance to be encapsulated and a first mon... | 04/13/1982 |
| 4322311 | Process for producing controlled porosity microcapsules A process for producing microcapsules of controlled porosity containing a chemically active core material. A core material such as a biologically active material and a first monomer in aqueous solution are emulsified in a hydrophobic solvent. A monomer co... | 03/30/1982 |
| 4311690 | Test set and method for the determination of free hormones Disclosed is a process for determining the concentration of unbound hormone, e.g., thyroxine, cortisol, or testosterone, in a liquid sample containing hormone and protein capable of binding the hormone. The sample is incubated with antibody specific to th... | 01/19/1982 |
| 4298345 | Method and apparatus for chemical spot test analysis Chemical analysis of a sample with reagents spotted on a fibrous or porous medium employs a medium pretreated both with reagents and with conditioning agent. The conditioning agent increases the degree to which the liquid reactants wet the medium. One for... | 11/03/1981 |
| 4277040 | Kite strut connector In a collapsible kite structure, a snap lock connecting assembly comprising at least two suitably rigid sticks or struts and at least one detachable bracing stick or strut, in combination with a snap lock connecting unit. The snap lock includes a fastenin... | 07/07/1981 |
| 4257884 | Chromatography Semipermeable microcapsules are employed as a medium to chromatographically separate mixtures of solutes. The microcapsules comprise membranes having a selected upper limit of permeability and contain a filler material capable of maintaining the membranes... | 03/24/1981 |
| 4255411 | Process of determining an immunogenic substance by competition with an antibody in a microcapsule A process for determining an immunogenic substance present in a sample wherein the immunogenic substance in the sample competes with a distinguishable analog of such substance for available binding sites on an antibody which is highly specific for the imm... | 03/10/1981 |
| 4251387 | Process for preparing semipermeable microcapsules Techniques for producing semipermeable microcapsules by interfacial polymerization are disclosed. The material to be encapsulated and a hydrophilic monomer are emulsified within a hydrophobic continuous phase. Polymerization is initiated by dissolving a s... | 02/17/1981 |
| 4234148 | Display stand Disclosed is a sturdy display stand for holding a relatively small and light in weight article for display. The stand has a platform member supported by a support member. At least one flexible arm extends perpendicularly from the support member and throug... | 11/18/1980 |
| 4201066 | Flexible shaft construction for a high inertia centrifuge A construction for transmitting rotational energy from a motor to a centrifuge rotor utilizes a flexible shaft having a long, thin central portion that terminates in larger diameter end portions or connectors. The lower connector is secured to the motor a... | 05/06/1980 |
| 4177810 | Pneumatic injection apparatus A pneumatic injection apparatus featuring a fluid actuated drive and control system is disclosed. The apparatus, in its various aspects, has a modular construction so that it may be quickly disassembled, both mechanically and pneumatically, for easy maint... | 12/11/1979 |
| 4178153 | Method and apparatus for chemical spot test analysis Chemical analysis of a sample with reagents spotted on a fibrous or porous medium employs a medium pretreated both with reagents and with conditioning agent. The conditioning agent increases the degree to which the liquid reactants wet the medium. One for... | 12/11/1979 |
| 4059405 | Method and apparatus for analysis of constituent carried in fibrous medium An optically-thin preparation of a sample solution and chemical reagents produces a constituent-manifesting reaction product that can be measured in linear relation to the concentration of the constituent of interest. A fibrous sheet contains the sample a... | 11/22/1977 |
| 4022911 | Disinfectant composition comprising a quaternary ammonium compound, a phenol, and formaldehyde A disinfectant composition is made with three essential active ingredients comprising (1) a quaternary ammonium compound, (2) a phenol or a derivative thereof, and (3) formaldehyde. The composition provides enhanced disinfecting efficacy of a synergistic ... | 05/10/1977 |
| 4012196 | Colorimetric method for determining total lipids in human fluids Phospho-vanillin reagent suitable for reaction with a mixture of sulfuric acid and an animal fluid containing at least 1 mg/ml lipids to determine total lipid concentration in the animal fluid comprising an aqueous solution containing vanillin and phospho... | 03/15/1977 |
| 4003144 | Educational block with replaceable chip An educational alphabet block formed of a polymeric material and having the configuration of a cube with a square recess on each face for receiving a removable chip. Each face of the block also defines an aperture. The aperture reduces the weight of the b... | 01/18/1977 |
| 3954414 | Self-contained apparatus for the storage processing of blood Decanting apparatus for removing spent wash liquids from agglomerated red blood cells and like substances contained in an elongated pliable bag-like container has an inclined slide bed over which the container is draped. A cell-containing end portion of t... | 05/04/1976 |
| 3943656 | Two stage rocket with pressure responsive means for frictionally engaging second stage A toy rocket has a motor receptacle designed to receive a rocket motor of the type fueled by a self-pressurizing liquid propellant. The rocket motor during the fueling operation has its nozzle seated in a launcher through which liquid propellant flows int... | 03/16/1976 |
| 3938354 | Apparatus for transmitting rotational energy from a motor to the rotor of a centrifuge A flexible shaft transmitting the rotational motion of a motor shaft to a rotor adapter is protected from deformation by a shaft protector which connects the flexible shaft to the motor shaft. The shaft protector is concentric about and completely protect... | 02/17/1976 |
| 3937614 | Apparatus for monitoring the rate of a chemical reaction A press for compressing a liquid-bearing absorbent article to transfer a portion of the liquid materials to a contiguous article has two concentric pressure feet. One is an outer foot member that bears against the liquid-bearing article along the peripher... | 02/10/1976 |
| 3936527 | Treatment of pets Treatment of dogs and cats to overcome mouth odors by feeding tablets rich in methionine.... | 02/03/1976 |
