James McLean is issued a patent for a piano.
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 |
| 6758212 | Personal emergency breathing system The breathing system includes an elastic, non-porous body housed within an outer protective shell. The body terminates at its forward end in a protective cap and an air inlet passage and at its inner face in oral and nasal cavities. An air filter is disposed in the ... | 07/06/2004 |
| 6757734 | Method of communication The present invention relates to a method of achieving communication via a network with the aid of a wireless application protocol (WAP) between a first application (A1) in a first computer unit (A) and a second application in a second computer unit, wherein ... | 06/29/2004 |
| D492304 | Electronic organizer | 06/29/2004 |
| D490051 | Electric power converter for a solar battery | 05/18/2004 |
| 6734645 | Electric powered vehicle In an electrically driven automobile, a dynamo-electric generating device(s) is attached to one or more free-running wheels of the vehicle, which are not connected to the power drive of the vehicle. The free-running wheels are rotated by contact with the road surfac... | 05/11/2004 |
| 5478039 | Swivel hanging apparatus An overhead swivel hanging apparatus consisting of a mount(10) and a support(30), i.e. a grab. When assembled the apparatus is utilized to hang pendant objects, such as a plant or a bird cage, from a ceiling or the like. The mount is comprised of a base (... | 12/26/1995 |
| 4851126 | Apparatus and methods for generating platelet concentrate A tubing or harness set is provided having first and second portions sequentially applicable to a microprocessor-controlled hemapheresis instrument for generating platelet concentrate. The first portion includes a reservoir having dual compartments and a ... | 07/25/1989 |
| 4850998 | Method for wetting a plasmapheresis filter with anticoagulant A method of wetting a plasmapheresis filter with anticoagulant in a plasmapheresis system having a venepuncture needle, a plasma separation device connected in series by a fluid conduit, including operating the system such that an initial limited volume c... | 07/25/1989 |
| 4448701 | Aqueous cutting fluid for machining fissionable materials The present invention is directed to a cutting fluid for machining fissionable material. The cutting fluid is formed of glycol, water and boron compound in an adequate concentration for effective neutron attenuation so as to inhibit criticality incidents ... | 05/15/1984 |
| 4447297 | Combined fluidized bed retort and combustor The present invention is directed to a combined fluidized bed retorting and combustion system particularly useful for extracting energy values from oil shale. The oil-shale retort and combustor are disposed side-by-side and in registry with one another th... | 05/08/1984 |
| 4437958 | Device and method for separating oxygen isotopes A device and method for separating oxygen isotopes with an ArF laser which produces coherent radiation at approximately 193 nm. The output of the ArF laser is filtered in natural air and applied to an irradiation cell where it preferentially photodissocia... | 03/20/1984 |
| 4437064 | Apparatus for detecting a magnetic anomaly contiguous to remote location by squid gradiometer and magnetometer systems A superconducting quantum interference device (SQUID) magnetic detection apparatus detects magnetic fields, signals, and anomalies at remote locations. Two remotely rotatable SQUID gradiometers may be housed in a cryogenic environment to search for and lo... | 03/13/1984 |
| 4434667 | Permanent magnet flowmeter having improved output terminal means Disclosed is an improved permanent magnet flowmeter capable of withstanding bending stresses in the direction of induced emf signals. The flowmeter includes a unique terminal arrangement integrally formed with the flowmeter by trepanning opposing wall sec... | 03/06/1984 |
| 4432902 | Method for synthesizing HMX A method and apparatus for electrochemically synthesizing N2 O5 cludes oxidizing a solution of N2 O4 /HNO3 at an anode, while maintaining a controlled potential between the N2 O4 ... | 02/21/1984 |
| 4432891 | Glass capable of ionic conduction and method of preparation Sulfide glasses capable of conducting alkali metal ions are prepared from a nonmetal glass former such as GeS2, B2 S3 and SiS2 in mixture with a glass modifier such as Na2 S or another alkali metal su... | 02/21/1984 |
| 4432821 | Composition and method for brazing graphite to graphite The present invention is directed to a brazing material for joining graphite structures that can be used at temperatures up to about 2800° C. The brazing material formed of a paste-like composition of hafnium carbide and uranium oxide with a thermosettin... | 02/21/1984 |
| 4432777 | Method for removing particulate matter from a gas stream Particulate matter is removed from a stream of pressurized gas by directing the stream of gas upwardly through a bed of porous material, the porous bed being held in an open ended container and at least partially submerged in liquid. The passage of the ga... | 02/21/1984 |
| 4432225 | Detection system for a gas chromatograph A method and apparatus are described for the quantitative analysis of vaporizable compounds, and in particular of polycyclic aromatic hydrocarbons which may be induced to fluoresce. The sample to be analyzed is injected into a gas chromatography column an... | 02/21/1984 |
| 4432945 | Removing oxygen from a solvent extractant in an uranium recovery process An improvement in effecting uranium recovery from phosphoric acid solutions is provided by sparging dissolved oxygen contained in solutions and solvents used in a reductive stripping stage with an effective volume of a nonoxidizing gas before the introduc... | 02/21/1984 |
| 4431899 | Cutting assembly A cutting apparatus includes a support table mounted for movement toward and away from a workpiece and carrying a mirror which directs a cutting laser beam onto the workpiece. A carrier is rotatably and pivotally mounted on the support table between the m... | 02/14/1984 |
| 4431862 | Multiwire conductor having increased interwire resistance and good mechanical stability and method for making same An improved multiwire conductor of the type which is mechanically stabilized by a solder filler. A solder filled conductor is heated to a temperature sufficient to make the solder brittle, but below the melting point of the solder. While still hot, the co... | 02/14/1984 |
| 4431708 | Annealed CVD molybdenum thin film surface Molybdenum thin films deposited by pyrolytic decomposition of Mo(CO)6 attain, after anneal in a reducing atmosphere at temperatures greater than 700° C., infrared reflectance values greater than reflectance of supersmooth bulk molybdenum. Blac... | 02/14/1984 |
| 4431609 | Removal of radium from acidic solutions containing same by adsorption on coal fly ash The invention is a process for the removal of radium from acidic aqueous solutions. In one aspect, the invention is a process for removing radium from an inorganic-acid solution. The process comprises contacting the solution with coal fly ash to effect ad... | 02/14/1984 |
| 4431499 | Method of sputter etching a surface The surface of a target is textured by co-sputter etching the target surface with a seed material adjacent thereto, while the target surface is maintained at a pre-selected temperature. By pre-selecting the temperature of the surface while sputter etching... | 02/14/1984 |
| 4432088 | Carrier sense data highway system A data transmission system includes a transmission medium which has a certain propagation delay time over its length. A number of data stations are successively coupled to the transmission medium for communicating with one another. Each of the data statio... | 02/14/1984 |
| 4430042 | Velocity pump reaction turbine An expanding hydraulic/two-phase velocity pump reaction turbine including a dual concentric rotor configuration with an inter-rotor annular flow channel in which the inner rotor is mechanically driven by the outer rotor. In another embodiment, the inner r... | 02/07/1984 |
| 4429464 | Roundness calibration standard A roundness calibration standard is provided with a first arc constituting the major portion of a circle and a second arc lying between the remainder of the circle and the chord extending between the ends of said first arc.... | 02/07/1984 |
| 4429740 | Combination gas producing and waste-water disposal well The present invention is directed to a waste-water disposal system for use in a gas recovery well penetrating a subterranean water-containing and methane gas-bearing coal formation. A cased bore hole penetrates the coal formation and extends downwardly th... | 02/07/1984 |
| 4429411 | Instrument and method for focusing X-rays, gamma rays and neutrons A crystal diffraction instrument or diffraction grating instrument with an improved crystalline structure or grating spacing structure having a face for receiving a beam of photons or neutrons and diffraction planar spacing or grating spacing along that f... | 01/31/1984 |
| 4427570 | High-quantum efficiency, long-lived luminescing refractory oxides A crystal having a high-quantum efficiency and a long period of luminescence is formed of an oxide selected from the group consisting of magnesium oxide and calcium oxide and possessing a concentration ratio of H- ions to F centers in the range... | 01/24/1984 |
| 4427840 | Plastic Schottky barrier solar cells A photovoltaic cell structure is fabricated from an active medium including an undoped, intrinsically p-type organic semiconductor comprising polyacetylene. When a film of such material is in rectifying contact with a magnesium electrode, a Schottky-barri... | 01/24/1984 |
| 4426620 | Analog quadrature signal to phase angle data conversion by a quadrature digitizer and quadrature counter The quadrature phase angle $c;(t) of a pair of quadrature signals S1 (t) and S2 (t) is digitally encoded on a real time basis by a quadrature digitizer for fractional $c;(t) rotational excursions and by a quadrature up/down cou... | 01/17/1984 |
| 4426055 | Precision translator A precision translator for focusing a beam of light on the end of a glass fiber which includes two turning fork-like members rigidly connected to each other. These members have two prongs each with its separation adjusted by a screw, thereby adjusting the... | 01/17/1984 |
| 4425904 | Tracking system for solar collectors A tracking system is provided for pivotally mounted spaced-apart solar collectors. A pair of cables is connected to spaced-apart portions of each collector, and a driver displaces the cables, thereby causing the collectors to pivot about their mounting, s... | 01/17/1984 |
| 4426550 | Multiwire conductor having greatly increased interwire resistance and method for making same An improved multiwire conductor of the type which is mechanically stabilized by a tin based solder filler. A solder filled conductor is heated to a temperature above its melting point for a period long enough to allow a substantial amount of copper to be ... | 01/17/1984 |
| 4425136 | Minimally refined biomass fuel A minimally refined fluid composition, suitable as a fuel mixture and derived from biomass material, is comprised of one or more water-soluble carbohydrates such as sucrose, one or more alcohols having less than four carbons, and water. The carbohydrate p... | 01/10/1984 |
| 4424896 | Dust feed mechanism The invention is a dust feed device for delivery of a uniform supply of dust for long periods of time to an aerosolizing means for production of a dust suspension. The device utilizes at least two tandem containers having spiral brushes within the contain... | 01/10/1984 |
| 4424866 | Method for production of hydrocarbons from hydrates A method of recovering natural gas entrapped in frozen subsurface gas hydrate formations in arctic regions. A hot supersaturated solution of CaCl2 or CaBr2, or a mixture thereof, is pumped under pressure down a wellbore and into a su... | 01/10/1984 |
| 4424858 | Apparatus for recovering gaseous hydrocarbons from hydrocarbon-containing solid hydrates A method and apparatus are provided for producing gaseous hydrocarbons from formations comprising solid hydrocarbon hydrates located under either a body of land or a body of water. The vast natural resources of such hydrocarbon hydrates can thus now be ec... | 01/10/1984 |
| 4424825 | Fast closing valve A valve is provided for protecting the high vacuum of a particle accelera in the event of air leakage, wherein the valve provides an axially symmetrical passage to avoid disturbance of the partical beam during normal operation, and yet enables very rapid... | 01/10/1984 |