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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 6496736 | Endothelium preserving microwave treatment for atherosclerosis Method and apparatus are provided to treat atherosclerosis wherein the artery is partially closed by dilating the artery while preserving the vital and sensitive endothelial layer thereof. Microwave energy having a frequency from 3 GHz to 300 GHz is propa... | 12/17/2002 |
| 6408679 | Bubble measuring instrument and method Method and apparatus are provided for a non-invasive bubble measuring instrument operable for detecting, distinguishing, and counting gaseous embolisms such as bubbles over a selectable range of bubble sizes of interest. A selected measurement volume in w... | 06/25/2002 |
| 6377097 | Method and apparatus for reducing the vulnerability of latches to single event upsets A delay circuit includes a first network having an input and an output node, a second network having an input and an output, the input of the second network being coupled to the output node of the first network. The first network and the second network ar... | 04/23/2002 |
| 6354540 | Androgynous, reconfigurable closed loop feedback controlled low impact docking system with load sensing electromagnetic capture ring The present invention relates to a fully androgynous, reconfigurable closed loop feedback controlled low impact docking system with load sensing electromagnetic capture ring. The docking system of the present invention preferably comprises two docking ass... | 03/12/2002 |
| 6334302 | Variable specific impulse magnetoplasma rocket engine An engine is disclosed, including a controllable output plasma generator, a controllable heater for selectably raising a temperature of the plasma connected to an outlet of the plasma generator, and a nozzle connected to an outlet of the heater, through w... | 01/01/2002 |
| 6321746 | Portable hyperbaric chamber A portable, collapsible hyperbaric chamber. A toroidal inflatable skeleton provides initial structural support for the chamber, allowing the attendant and/or patient to enter the chamber. Oval hatches mate against bulkhead rings, and the hyperbaric chambe... | 11/27/2001 |
| 6301973 | Non-intrusive pressure/multipurpose sensor and method Method and apparatus are provided for determining pressure using a non-intrusive sensor that is easily attachable to the plumbing of a pressurized system. A bent mode implementation and a hoop mode implementation of the invention are disclosed. Each of th... | 10/16/2001 |
| 6288677 | Microstrip patch antenna and method Method and apparatus are provided for a microstrip feeder structure for supplying properly phased signals to each radiator element in a microstrip antenna array that may be utilized for radiating circularly polarized electromagnetic waves. In one disclose... | 09/11/2001 |
| 6289249 | Transcatheter microwave antenna A method, simulation, and apparatus are provided that are highly suitable for treatment of benign prostatic hyperplasia (BPH). A catheter is disclosed that includes a small diameter disk loaded monopole antenna surrounded by fusion material having a high ... | 09/11/2001 |
| 6254359 | Method for providing a jewel bearing for supporting a pump rotor shaft Methods for a blood pump bearing system within a pump housing to support long-term high-speed rotation of a rotor with an impeller blade having a plurality of individual magnets disposed thereon to provide a small radial air gap between the magnets and a ... | 07/03/2001 |
| 6252396 | Moving object control system A method is provided for controlling two objects relatively moveable with respect to each other. A plurality of receivers are provided for detecting a distinctive microwave signal from each of the objects and measuring the phase thereof with respect to a ... | 06/26/2001 |
| 6244644 | Compact dexterous robotic hand A compact robotic hand 10 includes a palm housing 16, a wrist section 12 and a forearm section 16. The palm housing supports a plurality of fingers 18, 20, 22 and one or more movable palm members 24, 25 that cooperate with the fingers to grasp and/or rele... | 06/12/2001 |
| 6231010 | Advanced structural and inflatable hybrid spacecraft module An inflatable module comprising a structural core and an inflatable shell, wherein the inflatable shell is sealingly attached to the structural core. In its launch configuration, the wall thickness of the inflatable shell is collapsed by vacuum. Also in t... | 05/15/2001 |
| 6226553 | Endothelium preserving microwave treatment for atherosclerois Method and apparatus are provided to treat atherosclerosis wherein the artery is partially closed by dilating the artery while preserving the vital and sensitive endothelial layer thereof. Microwave energy having a frequency from 3 GHz to 300 GHz is propa... | 05/01/2001 |
| 6223086 | Endothelium preserving microwave treatment for atherosclerosis Method and apparatus are provided to treat atherosclerosis wherein the artery is partially closed by dilating the artery while preserving the vital and sensitive endothelial layer thereof. Microwave energy having a frequency from 3 GHz to 300 GHz is propa... | 04/24/2001 |
| 6213375 | Manually operated welding wire feeder A manual welding wire feeder apparatus comprising a bendable elongate metal frame with a feed roller mounted at the center thereof for rotation about an axis transverse to the longitudinal axis of the frame. The frame ends are turned up as tabs and each p... | 04/10/2001 |
| 6175768 | In vivo simulator for microwave treatment Method and apparatus are provided for propagating microwave energy into heart tissues to produce a desired temperature profile therein at tissue depths sufficient for thermally ablating arrhythmogenic cardiac tissue to treat ventricular tachycardia and ot... | 01/16/2001 |
| 6135729 | Blood pump bearing system An apparatus is are provided for a blood pump bearing system within a pump housing to support long-term high-speed rotation of a rotor with an impeller blade having a plurality of individual magnets disposed thereon to provide a small radial air gap betwe... | 10/24/2000 |
| 6134476 | Transcatheter antenna for microwave treatment Method and apparatus are provided for propagating microwave energy into heart tissues to produce a desired temperature profile therein at tissue depths sufficient for thermally ablating arrhythmogenic cardiac tissue to treat ventricular tachycardia and ot... | 10/17/2000 |
| 6132536 | Automated propellant blending An automated propellant blending apparatus and method uses closely metered addition of countersolvent to a binder solution with propellant particles dispersed therein to precisely control binder precipitation and particle aggregation. A profile of binder ... | 10/17/2000 |
| 6110730 | Whole blood cell staining device An apparatus and method for using the apparatus for staining particular cell markers is disclosed. The apparatus includes a flexible tube that is reversibly pinched into compartments with one or more clamps. Each compartment of the tube contains a separat... | 08/29/2000 |
| 6097189 | Object locating system A portable system is provided that is operational for determining, with three dimensional resolution, the position of a buried object or a proximately positioned object that may move in space or air or gas. The system has a plurality of receivers for dete... | 08/01/2000 |
| 6077478 | Microwave powered sterile access port A device and method for elimination of contamination during transfer of materials either into or from bioreactors, food containers, or other microbially vulnerable systems. Using microwave power, thermal sterilizations of mating fixtures are achieved simp... | 06/20/2000 |
| 6074871 | Cell-culture reactor having a porous organic polymer membrane A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated with a compatibilizing compound. Compatibilizing compounds may include proteins, phosphorylcholin... | 06/13/2000 |
| 6050987 | Tubular coupling A system for coupling a vascular overflow graft or cannula to a heart pump. A pump pipe outlet is provided with an external tapered surface which receives the end of a compressible cannula. An annular compression ring with a tapered internal bore surface ... | 04/18/2000 |
| 6047216 | Endothelium preserving microwave treatment for atherosclerosis Method and apparatus are provided to treat atherosclerosis wherein the artery is partially closed by dilating the artery while preserving the vital and sensitive endothelial layer thereof Microwave energy having a frequency from 3 GHz to 300 GHz is propag... | 04/04/2000 |
| 6022902 | Porous article with surface functionality and method for preparing same Porous organic articles having no surface functionality may be treated by remote plasma discharge to thereby introduce functionality to the surface of the article. The functionality is introduced throughout the article's surface, including the exterior su... | 02/08/2000 |
| 5957672 | Blood pump bearing system Methods and apparatus are provided for a blood pump bearing system within a pump housing to support long-term high-speed rotation of a rotor with an impeller blade having a plurality of individual magnets disposed thereon to provide a small radial air gap... | 09/28/1999 |
| 5939314 | Distributed pore chemistry in porous organic polymers in tissue culture flasks A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated with a compatibilizing compound. Compatibilizing compounds may include proteins, phosphorylcholin... | 08/17/1999 |
| 5935845 | Distributed pore chemistry in porous organic polymers A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated with a compatibilizing compound. Compatibilizing compounds may include proteins, phosphorylcholin... | 08/10/1999 |
| 5904709 | Microwave treatment for cardiac arrhythmias Method and apparatus are provided for propagating microwave energy into heart tissues to produce a desired temperature profile therein at tissue depths sufficient for thermally ablating arrhythmogenic cardiac tissue to treat ventricular tachycardia and ot... | 05/18/1999 |
| 5882937 | Ammonia monitor Ammonia monitor and method of use are disclosed. A continuous, real-time determination of the concentration of ammonia in an aqueous process stream is possible over a wide dynamic range of concentrations. No reagents are required because pH is controlled ... | 03/16/1999 |
| 5879079 | Automated propellant blending An automated propellant blending apparatus and method uses closely metered addition of countersolvent to a binder solution with propellant particles dispersed therein to precisely control binder precipitation and particle aggregation. A profile of binder ... | 03/09/1999 |
| 5866007 | Method and apparatus for the collection, storage, and real time analysis of blood and other bodily fluids The present invention provides a method and apparatus for separating a blood sample having a volume of up to about 20 milliliters into cellular and acellular fractions. The apparatus includes a housing divided by a fibrous filter into a blood sample colle... | 02/02/1999 |
| 5807007 | Misalignment accommodating connector assembly Misalignment accommodating connector assembly for removably connecting first and second objects which may comprise: a first connector subassembly (10) having an arm member (11) extending therefrom transversely through which is provided a tubular member (1... | 09/15/1998 |
| 5798261 | Distributed pore chemistry in porous organic polymers A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated with a compatibilizing compound. Compatibilizing compounds may include proteins, phosphorylcholin... | 08/25/1998 |
| 5792621 | Fiber-optic chemiluminescent biosensors for monitoring aqueous alcohols and other water quality parameters A "reagentless" chemiluminescent biosensor and method for the determination of hydrogen peroxide, ethanol and D-glucose in water. An aqueous stream is basified by passing it through a solid phase base bed. Luminol is then dissolved in the basified effluen... | 08/11/1998 |
| 5741979 | Particle velocity measuring system Method and apparatus are provided for determining the velocity of individual food particles within a liquid/solid food mixture that is cooked by an aseptic cooking method whereby the food mixture is heated as it flows through a flowline. At least one upst... | 04/21/1998 |
| 5738830 | Method and apparatus for production of powders Apparatus and method are disclosed for producing oxides of metals and of metal alloys. The metal or alloy is placed in an oxygen atmosphere in a combustion chamber and ignited. Products of the combustion include one or more oxides of the metal or alloy in... | 04/14/1998 |
| 5735488 | Method and apparatus for coupling space vehicles A first space vehicle is attached with a second space vehicle which includes a rocket propulsion nozzle having a combustion chamber upstream from the nozzle throat. Apparatus 10 includes an elongate grappling arm 12 extending from the first space vehicle,... | 04/07/1998 |
