...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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 |
| 6365787 | Compounds for the suppression of HIV TAT transactivation The present invention reveals the isolation, purification and characterization from the creosote bush Larrea tridentata of compounds of the structural formula: ##STR1## where R1, R2, R3 and R4 are each selected ... | 04/02/2002 |
| 5686719 | Method for finding viewing intervals for the control of instruments, star trackers, and sensors on earth and solar system object orbiting platforms A telescope or other viewing instrument is controlled to optimally observe objects based on continuous or periodic determinations of whether geometrical or physical constraints are satisfied over specific intervals of time, including a cumulative determin... | 11/11/1997 |
| 5622871 | Capillary immunoassay and device therefor comprising mobilizable particulate labelled reagents An analytical test device useful for example in pregnancy testing, includes a hollow casing (500) constructed of moisture-impervious solid material, such as plastics materials, containing a dry porous carrier (510) which communicates indirectly with the e... | 04/22/1997 |
| 5602040 | Assays An analytical test device useful for example in pregnancy testing, includes a hollow casing (500) constructed of moisture-impervious solid material, such as plastics materials, containing a dry porous carrier (510) which communicates indirectly with the e... | 02/11/1997 |
| 5589471 | Vitamin D analogues containing a hydroxy or alkylated hydroxy group in the 20-position Compounds of formula ##STR1## wherein Q is a --CH2 --, --CH.dbd.CH-- or --C.dbd.C--; U is a C1 -C6 alkylene; R1 is hydrogen, a C1 -C4 alkyl or YR' in which Y stands for the radicals --... | 12/31/1996 |
| 5589168 | Probiotic A novel strain of Enterococcus faecium, deposited as NCIMB 40371, has valuable probiotic properties and is particularly effective in alleviating symptoms of irritable bowel syndrome in human patients. The novel strain can be used in the manufacture of hum... | 12/31/1996 |
| 5585133 | Reduced fat renneted cheese product and a process of manufacturing it Cheese product essentially free of additives which are to be declared other than usual cheese product ingredients. The cheese product consists mainly of a renneted casein matrix having enclosed therein discrete agglomerates of acid casein in an amount of ... | 12/17/1996 |
| 5582283 | Automatic infeeder device An apparatus and method for depositing objects at separated locations on a movable belt. The device includes at least one channel through which objects enter the apparatus. Each channel includes a plurality of gates disposed along the channel. These gates... | 12/10/1996 |
| 5583437 | Method of and apparatus for NQR testing selected nuclei with reduced dependence on a given environmental parameter A method of NQR testing a sample having at least one NQR property which varies with a given environmental parameter comprises applying excitation to the sample to excite NQR resonance and detecting the NQR response signal. The excitation is such as to exc... | 12/10/1996 |
| 5580764 | Process for microbial reduction producing 4(S)-hydroxy-6(S)methyl-thienopyran derivatives A compound of formula ##STR1## in which X is hydrogen or a group of formula --SO2 NH2 is reduced to the trans (4S,6S) form of the corresponding alcohol by an enzyme reduction system.... | 12/03/1996 |
| 5580595 | Process for the preparation of a food product A process for the manufacture of a coated foodstuff comprising a substantially uncooked foodstuff portion enrobed in a heat-set batter whereby the batter is set by exposing the coated foodstuff to targeted dielectric heat.... | 12/03/1996 |
| 5578382 | Polyhydroxyalkanoates and film formation therefrom A supported or cast film of a polyhydroxyalkanoate polymer, such as a polyhydroxybutyrate/valerate polymer, can be prepared by applying a layer of molten polymer to a cool (typically 4° to 20° C.) surface not substantially above the glass transition tem... | 11/26/1996 |
| 5575635 | Scroll compressor having eccentric shaft lubrication An eccentric shaft 5 is radially slidably inserted in a bore 6a of a bushing 6, which is inserted in an opening 8c-1 of a boss portion 8c of a movable scroll member 8 by way of a radial needle bearing 7. An axial space 24 is confined between a rear end of... | 11/19/1996 |
| 5576438 | Isoserine derivatives and their use as leukotriene antagonists The present invention relates to hitherto unknown compounds of formula; Y stands for --CH.dbd.CH--; R1 is hydrogen or halogen, preferably fluorine, chlorine or bromine; R2 is halogen, preferably fluorine, chlorine or bromine, CH... | 11/19/1996 |
| 5574203 | Process and installation for destroying munitions containing toxic agents The invention relates to a process and an installation for destroying munitions containing toxic agent. The process comprises equipping the munitions with a pyrotechnic fragmentation device and submerging in a pool which is filled with a liquid for neutra... | 11/12/1996 |
| 5573526 | Soft shell reservoir A soft shell reservoir bag is provided as a storage reservoir for blood in a bypass extracorporeal circuit during open heart surgery. The reservoir bag is constructed to allow for the easy venting of air and to prevent the accidental delivery of air to pa... | 11/12/1996 |
| 5573059 | Air conditioning machine An air conditioning machine has a unit main body having an inlet port and an outlet port. The unit main body includes a cross flow fan, having a circular cross section, for introducing indoor air into the unit main body through the inlet port and blowing ... | 11/12/1996 |
| 5573544 | Artificial meshwork filter for glaucoma surgery A method and device which is used to insert an implant in order for treating an eye with glaucoma in order to lower the intraocular pressure of the eye. The implant is an artificial meshwork formed into a pocket configuration. The implant is attached to a... | 11/12/1996 |
| 5571614 | Polymeric packaging film coated with a composition comprising a layer mineral and a crosslinked resin A polymeric film comprises a substrate layer of polymeric material and a coating layer formed from a composition comprising a layer mineral and a cross-linking agent. The coating layer comprises greater than 10% and less than 90% by weight of the layer of... | 11/05/1996 |
| 5570574 | Air-fuel ratio control system for internal combustion engine An air-fuel ratio control system for an internal combustion engine includes a pair of cylinder banks, a pair of exhaust passages connected to the cylinder banks, respectively, a common exhaust pipe where the exhaust passages join each other at their downs... | 11/05/1996 |
| 5569670 | Combination medications containing alpha-lipoic acid and related A pharmaceutical composition containing alpha-lipoic acid, dihydrolipoic acid, metabolites of alpha-lipoic acid (inter alia bisnortetralipoic acid and tetranorlipoic acid), optical isomers R- and S- forms of alpha-lipoic acid in oxidized and reduced form ... | 10/29/1996 |
| 5566685 | Protection of living systems from adverse effects of electric, magnetic and electromagnetic fields Methods and apparatus for inhibiting the adverse effect of an ambient time varying field having an electric component and/or a magnetic component on a living system. To provide protection, the field to which the system is exposed is caused to be one where... | 10/22/1996 |
| 5567395 | Catalyst carrier for a catalytic converter for purifying an exhaust gas in an internal combustion engine A flat-corrugated combined sheet 16 is obtained from a flat sheet 10 and corrugated sheets 12 and 14 which are welded together. The combined sheet 16 is rolled, so that a catalyst carrier 18 of a honeycomb structure to which an exhaust gas is contacted is... | 10/22/1996 |
| 5565629 | Semiconductor-type pressure sensor with isolation diaphragm with flat portion between corrugations The present invention aims to provide a semiconductor type pressure sensor capable of preventing an occurrence of a thermal output value, thereby improving a linearity of the output with respect to a change in the temperature. The sensor includes housing ... | 10/15/1996 |
| 5564774 | Operation room of construction machine The present invention provides a spacious operation cabin of a construction machine which has a large opening for a door, and which prevents the door from jutting out of the turning radius of the cabin when the door is opened. The outer side (2a) of the o... | 10/15/1996 |
| 5565105 | Magnetocentrifugation A device and method for performing particle separation. Separation and purification of biological macromolecules are important steps in basic molecular biology research and biotechnology product development. Throughout the years researchers have worked on... | 10/15/1996 |
| 5563584 | Liquid level sensing and monitoring system for medical fluid infusion systems A liquid level sensing and monitoring system for a medical fluid infusion system has an IV spike with a pressure sensor which contacts fluid in an infusion container such as an IV bag or bottle. When an adequate amount of fluid is in the container, the re... | 10/08/1996 |
| 5563160 | N-cyano-N'-pyridylguanidines as serotonin antagonists The present invention relates to hitherto unknown compounds of formula or their tautomeric forms, the attachment to the pyridine ring being in the 3- or 4-position, in which R', R" are the same or different and stand for hydrogen, halogen, or trifluoromet... | 10/08/1996 |
| 5562639 | Vented fluid collection system A vented fluid collection system including a collection apparatus for use with a device in communication with a mammalian organ or body lumen having a fluid to be sampled therein. The fluid collection apparatus has a blunt cannula having a bore defined th... | 10/08/1996 |
| 5563469 | Spark plug for internal combustion engine A spark plug for use in an internal combustion engine comprises a central electrode made of a base metal and an earth electrode. A tip portion is provided on the central electrode. The tip portion includes a noble metal tip layer for defining a spark disc... | 10/08/1996 |
| 5561728 | Optical fiber splicer This invention relates to micro-driving members for performing alignment of optical fibers and the like. Backlash is eliminated by forming constituent elements as integral components, thereby improving driving precision. Each micro-driving member includes... | 10/01/1996 |
| 5559934 | Label printing apparatus and wordprocessor A label printing apparatus includes a liquid crystal display unit for displaying an input character string and a message corresponding to each operation stage, a printing unit for printing a character string on each label, a storage unit for storing each ... | 09/24/1996 |
| 5558512 | Fluid compressor with vertical longitudinal axis A fluid compressor includes a piston which has a vertical longitudinal axis. A plurality of working chambers are provided between a cylinder and the piston, and are constituted by upper working chambers and lower working chambers which separated from each... | 09/24/1996 |
| 5558134 | Binding wire guide mechanism for a binding machine A binding wire guide mechanism in a binding machine has a bend guide member which is provided at the outlet of a straight guide member. The bend guide member has a wire receiving surface which receives a wire fed through the straight guide member in such ... | 09/24/1996 |
| 5557925 | Piping installation for low temperature fluid According to the present invention, a piping installation for supplying a low temperature fluid such as liquid nitrogen from a main pipe (17) of transporting the low temperature fluid to predetermined equipments (2, 4, 6), for example a cooling apparatus,... | 09/24/1996 |
| 5558816 | Stable liquid compositions and their use Stable composition of 1,2-benzisothiazolin-3-one (BIT) in dipropylene glycol having lower pH and lower viscosity than known compositions. The BIT is present as an alkali metal salt obtained by reacting 0.75 to 1.07 moles alkali metal hydroxide with one mo... | 09/24/1996 |
| 5557119 | Field effect transistor having unsaturated drain current characteristic A field effect transistor has the property that the product of its active total series resistance and its true transconductance is less than one throughout the entire range of drain voltage in the operative state of this transistor, the active total serie... | 09/17/1996 |
| 5556213 | Tape printer having a half-cut mechanism A tape printer including: a printer head for printing characters, figures, etc. on a laminated tape which is formed by laminating a printing tape and a separate paper a tape releasing section for feeding the laminated tape from the tape printer and a cutt... | 09/17/1996 |
| 5556849 | Ruthenium containing phthalocyanin photosensitizers Water soluble salt or acid forms of a transition metal phthalocyanine of formula ##STR1## where M is a transition metal, X is H, alkyl, alkoxy, halide or X's together form --C4 H4 --, each R is a ligand with a solubilizing ... | 09/17/1996 |
| 5554155 | Fiber optic pick manipulator A multi-function pick-manipulator device that provides the functions of a vitreoretinal pick, fiberoptic illumination, and irrigation/aspiration. The manipulator may also function as a bipolar diathermy device. To provide a compact, multi-function device,... | 09/10/1996 |