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| Number | Title | Issue Date |
| 5493433 | Terahertz optical asymmetric demultiplexer An optical demultiplexer includes an optical loop having first and second terminals and a mid point. A non-linear optical element is positioned in the loop at a distance Ɗx from the mid point. A first coupler is positioned in the loop and has a gating pu... | 02/20/1996 |
| 5417204 | Scuba air contamination detector An air contamination detector for a scuba unit includes a transparent tube having a lumen, the lumen being user visible for a full 360° about its circumference. A contamination indicator is positioned within the lumen and is exposed to air flow from the ... | 05/23/1995 |
| 5124713 | Planar microwave antenna for producing circular polarization from a patch radiator A planar antenna is described which employs a thin patch of conductive material supported above and substantially parallel to a closely spaced thin conductive ground surface. Two or more narrow slots are positioned in the ground surface beneath the conduc... | 06/23/1992 |
| 4889290 | Waste disposal apparatus A rotary grinder is described including a hopper for receiving waste through a door, which door when closed, provides a fluid tight seal. A movable waste receptacle is provided beneath the grinder and is locked in place and weighed during the operation of... | 12/26/1989 |
| 4809915 | Waste disposal apparatus A rotary grinder is described including a hopper for receiving waste through a door, which door when closed, provides a fluid tight seal. A movable waste receptacle is provided beneath the grinder and is locked in place and weighed during the operation of... | 03/07/1989 |
| 4741746 | Electrostatic precipitator An improved exhaust gas particulate removal system is described which includes a corona-charger that is spark-plug like in configuration. The charger includes a central electrode held within an insulating body, a portion of which electrode is recessed in ... | 05/03/1988 |
| 4740283 | Pulsed-field gradient gel electrophoretic apparatus A pulsed-field gradient gel electrophoretic apparatus is described wherein a free standing gel is employed. Electrode arrays are oriented to provide three dimensional fields across the face of the gel rather than in the plane of the gel. The electrodes pr... | 04/26/1988 |
| 4677539 | DC to three phase switched mode converters A dc to three phase ac switched mode converter is described wherein a six switch bridge is provided to interconnect the dc source to a three-phase load. A plurality of dc sources are described, each of which employs an inductor/capacitor combination for e... | 06/30/1987 |
| 4662977 | Neutral particle surface alteration A plasma gun is described which is capable of creating and directing a plasma towards a neutralizing plate. The plate is comprised of a material which is chemically inert, metallic, and whose atoms are substantially heavier than the atoms of the plasma ga... | 05/05/1987 |
| 4588492 | Rotating apparatus for isoelectric focusing This disclosure is directed to an isoelectric focusing apparatus, wherein stabilization of the fluid containing the isolated proteins is achieved by carrying out the separation in a rotating cylinder with the separation cavity of the cylinder being segmen... | 05/13/1986 |
| 4585457 | Inflatable intraocular lens An intraocular lens for use as an artificial lens implant is disclosed wherein the lens material is flexible and fluid impervious. Valve means communicate with the lens and enable it to be inflated with an appropriate fluid once the lens is placed in the ... | 04/29/1986 |
| 4443802 | Stripline fed hybrid slot antenna A planar antenna is described which employs a pair of closely spaced parallel ground planes and a radiating element which is a composite aperture (hybrid slot) formed into the upper ground plane. One portion of the radiating element is a long narrow slot ... | 04/17/1984 |
| 4422459 | Electrocardiographic means and method for detecting potential ventricular tachycardia The late portion of a post myocardial infarct patient's QRS waveform contains a high frequency signal tail which is indicative of a tendency toward vertricular tachycardia. This invention digitally processes and filters a patient's QRS signals in a revers... | 12/27/1983 |
| 4419984 | Radiant energy collector A cylindrical radiant energy collector is provided which includes a reflector spaced apart from an energy absorber. The reflector is of a particular shape which ideally eliminates gap losses. The reflector includes a plurality of adjacent facets of V shap... | 12/13/1983 |
| 4411990 | Primary bioassay of human tumor stem cells A bioassay method for supporting human tumor stem cell colony growth is disclosed. The method is suitable for culture of a variety of neoplasms of differing histopathology. Tumor stem cell colonies arising from different types of cancer have differing gro... | 10/25/1983 |
| 4378255 | Method for producing integrated semiconductor light emitter A multilayer, III-V semiconductive structure can be disordered and shifted up in energy gap into a single crystalline form by a Zinc diffusion. More specifically, all or selected portions of a multilayer of either gallium arsenide/aluminum arsenide or gal... | 03/29/1983 |
| 4361641 | Electrolytic surface modulation The surface of an electrically conductive substrate is electrolytically modulated to a predetermined profile by subjecting the surface to electrodeposition or electrodissolution through ionically conductive body portions of an ionic conductance resist whi... | 11/30/1982 |
| 4358316 | Alloys for hydrogen storage An alloy capable of reversible sorption of hydrogen having the formula Fe1-x Mnx Ti1-y Vy, where x is within the range from 0 to 0.2 and y is within the range of from 0.005 to 0.08.... | 11/09/1982 |
| 4332785 | Immunoassay for measurement of reticulocytes, and immunoreactive reagents for use therein The reticulocyte content present in a specimen of red blood cells is quantitatively measured based upon the selective immunoreactivity of the reticulocyte portion of the specimen with a reticulocyte-specific antibody which is immunoreactive with proteinac... | 06/01/1982 |
| 4321114 | Electrochemical doping of conjugated polymers Conjugated polymers are doped with dopant ions to a preselected room temperature electrical conductivity ranging from that characteristic of semiconductor behavior to that characteristic of metallic behavior, by means of an electrochemical procedure where... | 03/23/1982 |
| 4226836 | Method for separating molybdenum values from sea nodules A process for separating molybdenum values from sea nodules which includes sulfation of the sea nodules, volatilization of the molybdenum values from the sea nodules and collection of the volatile molybdenum values.... | 10/07/1980 |
| 4225582 | Vaccine for equine rhinopneumonitis Live Bovine Herpesvirus A.T.C.C. VR-2003 is employed in vaccination of horses to confer immunity to infection by Equid Herpesvirus Type 1.... | 09/30/1980 |
| 4222903 | P-Type electrically conducting doped polyacetylene film and method of preparing same Electrically conducting organic polymeric material having a preselected room temperature p-type electrical conductivity which may vary over the entire range characteristic of semiconductor behavior and into the range characteristic of metallic behavior, i... | 09/16/1980 |
| 4204216 | Electrically conducting doped polyacetylene film exhibiting n-type electrical conductivity and method of preparing same Electrically conducting organic polymeric film material exhibiting a preselected room temperature n-type electrical conductivity ranging from that characteristic of semiconductor behavior to that characteristic of metallic behavior, is prepared by control... | 05/20/1980 |
