Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 4694698 | Method of measuring factor of stress concentration by utilizing ultrasound The present invention provides a method of measuring, by utilizing ultrasound, the factor of stress concentration at a stress-concentrated portion of a member, comprising the steps of emitting ultrasound for incidence upon the stress-concentrated portion ... | 09/22/1987 |
| 4691714 | Rheological testing apparatus and method The device electronically measures fluid viscosity and temperature simultaneously principally for determining the changes in the properties of cervical mucus at the onset of ovulation. Interdigital transducers are used to generate and detect surface and b... | 09/08/1987 |
| 4635210 | Method of and apparatus for detecting crack condition Disclosed is a method for detecting the condition of a crack generated in a rotor of a rotary machine during an operation thereof to check whether the crack is developing or not. The number of revolutions of the rotor and oscillations of journal end porti... | 01/06/1987 |
| 4612620 | Apparatus for collecting scheduled maintenance data Apparatus for collecting vibration data in accordance with a predetermined schedule. Operable in either a data input or program mode, the apparatus is coupled with a vibration transducer which is located at predetermined coded positions and the data colle... | 09/16/1986 |
| 4535411 | Field balancing apparatus Apparatus for carrying out the field balancing of rotors utilizing trial weight techniques. A display is provided with the portable apparatus which serves to prompt the operator with respect to proper procedures for 1 and 2-plane balancing. The apparatus ... | 08/13/1985 |
| 4499770 | Systems for monitoring changes in elastic stiffness in composite materials Traversing energy flux transmitted into a fiber/matrix composite structure is propagated through the structure in directions which vary depending upon the elastic stiffness condition of the composite. Degradation in elastic stiffness of the composite, fro... | 02/19/1985 |
| 4492107 | Acoustic power meter There is disclosed herein an acoustic or ultrasonic power meter which includes a liquid crystal cell for detecting acoustic energy and a control circuit for applying an electric field to said cell. The liquid crystal cell includes a liquid crystal materia... | 01/08/1985 |
| 4470121 | Multi-frequency vibration controller using fluid-filled cantilever beam for vibration excitation & absorption A variable frequency vibration controller includes a cantilever beam supported from the vibration prone structure whose vibrations are to be controlled. The cantilever beam has selectively shaped hollow interior portions into which fluid can be selectivel... | 09/04/1984 |
| 4458234 | On-board apparatus for monitoring the condition of shock absorbers A vehicle equipped with a spring and shock absorber suspension has a piezoelectric wafer interposed between the spring and a part of the vehicle in such manner as to cause the wafer to be subjected to a compressive or decompressive force in response to re... | 07/03/1984 |
| 4452747 | Method of and arrangement for producing lipid vesicles In accordance with a method of and an arrangement for producing lipid vesicles from biological membranes or lipid suspensions, a lipid suspension or lipid particles in a dispersion fluid are accommodated in a treatment container, ultrasonic treatment of t... | 06/05/1984 |
| 4408285 | Vibration analyzing apparatus and method Apparatus and method utilized in carrying out vibrational analysis wherein the output of a vibration monitoring transducer is treated by filtering in stepped fashion over a broad spectrum of frequencies. The stepped filtering is provided utilizing minimum... | 10/04/1983 |
| 4327359 | Glass breakage detectors employing piezoresistive devices A glass breakage detector includes a cantilever assembly incorporating a base member having a first beam coupled thereto. The base assembly is secured to a pane of glass with the beam extending along an axis determined by the plane contaning the glass. A ... | 04/27/1982 |
| 4291204 | Fault locating system for electric cables and the like A system for locating faults in an electric cable including a flyback transformer or inductor and control circuitry therefor for developing an arc through a high resistance short circuit between two conductors or one conductor and ground. The control circ... | 09/22/1981 |
| 4235094 | Vibration safety test bench for hand-held riveting hammers The vibration safety test bench for hand-held riveting hammers comprises a bed with a dummy work rigidly secured thereto, a mounting for a hand-held riveting hammer under test and a mounting for a dolly, said mountings being located at either side of said... | 11/25/1980 |
| 4089055 | Electronic monitoring apparatus A method and apparatus for electronically monitoring the condition of an object which normally emits stationary stochastic signals is disclosed wherein electronic signals representative of the emitted signals are generated in a plurality of at least two f... | 05/09/1978 |
| 4057049 | Apparatus for and methods of pulse-echo examination Apparatus and method for the examination of specimens, particularly human tissue in vivo, by pulse-echo ultrasonic methods. To compensate for the variable and unpredictable attenuation of examining signals when reflected from different targets within the ... | 11/08/1977 |
| 3986385 | Apparatus for determining the freezing point of a liquid Apparatus for determination of the freezing point of a liquid or solution has a probe extending into the liquid with means for vibrating the probe. Fixed elements which are cooled, e.g. Peltier plates, are arranged adjacent probe so that a mantle of solid... | 10/19/1976 |
