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.
PatentStorm News
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 |
| 4403930 | Multi-piece apex seal structure for a rotary piston engine An apex seal structure of two-piece construction including a main or sealing piece and an under or support piece which are disposed in a sealing groove in a rotor apex portion with a superposed relationship with each other. The main piece has a bottom sur... | 09/13/1983 |
| 4404497 | Power supplying apparatus This invention concerns to a power supply arrangement which comprises, substantially, a power source circuit, a voltage converter circuit for converting a direct current voltage from the direct current power source circuit into an alternating current volt... | 09/13/1983 |
| 4396016 | Intravenous solution flow regulator An automatic intravenous flow regulator for regulating the infusion rate of a parenteral solution flowing from an intravenous fluid container to a patient. When the level of parenteral solution in the container is above a threshold level, the infusion tak... | 08/02/1983 |
| 4394427 | Electrophotographic sensitizing screen with peripherally clogged apertures An electrophotographic sensitizing screen having a great number of apertures, wherein at least an insulating layer and a conductive layer are successively formed on a conductive mesh, is disclosed. These apertures are regularly arranged at such an angle a... | 07/19/1983 |
| 4386694 | Conveying apparatus for tile making machines A conveying apparatus is disclosed for conveying pallets upon which cement is deposited for continuous moulding of cement tiles. The pallets each have a projecting shoulder portion and are of predetermined length and the apparatus includes a support over ... | 06/07/1983 |
| 4386134 | Process for impregnating cellulosic materials and products hereby obtained The invention provides for a process for impregnating a cellulosic material, especially wood, to improve its resistance to moisture and to increase its dimensional stability, wherein the material is brought into contact with an agent comprising a silane o... | 05/31/1983 |
| 4384678 | Valving arrangement A valving arrangement for use in the production of an aerated product such as chocolate, in which the product is pressurized with a gas, preferably a soluble gas such as carbon dioxide, wherein the valving arrangement includes a first valve plate (22) hav... | 05/24/1983 |
| 4384644 | Roll of coin wrapping paper A roll of coin wrapping paper includes streak portions which extend in the width direction of the paper and are arranged at a predetermined pitch in the longitudinal direction of the paper. The streak portions are formed by making such portions thicker th... | 05/24/1983 |
| 4384235 | Linear filament assembly with refractory insulating support rod for halogen lamp A linear filament assembly for a halogen cycle incandescent lamp comprises a generally linear filament (usually a coil or coiled coil) supported at opposite ends by substantially rigid conductive leads, a rigid insulating rod, for example of quartz, exten... | 05/17/1983 |
| 4384053 | Product for manufacturing clutch or brake linings, and method of preparing same Product usable for manufacturing industrial articles such as friction linings for clutches and brakes. This product comprises a fine fibrous steel powder having a loose density of 0.2 to 1.5 g/c.c. with a carbon content of 0.95 to 1.10% by weight, the chr... | 05/17/1983 |
| 4380205 | Guidance apparatus for a sewing machine An apparatus for advancing limp material such as cloth for overedge stitching. The apparatus has a generally L-shaped arm which is designed to be pivotable in the lateral and upward directions relative to a surface of a working table of a sewing machine. ... | 04/19/1983 |
| 4379262 | Nuclear magnetic resonance systems The invention is suitable for a small nuclear magnetic resonance pulse head applicable to a part of the body in the manner of ultrasonic systems. The arrangement generates a field which varies in amplitude with distance from the head, being uniform at sur... | 04/05/1983 |
| 4377019 | Resilient hinge with coil spring on pintle A hinge device used with a rotation member having a rotational moment which varies in accordance with a rotation angle. The hinge device comprises a core bar inserted into a fixed member, a flat wire torsion spring fixed at its ends to the core bar and to... | 03/22/1983 |
| 4377297 | Ski, particularly Alpine ski A ski, particularly an Alpine ski, wherein the steering of the ski while edging, particularly its ability to execute carved turns, and its edge grip, are improved in that the lateral boundary lines of its bottom edges are so designed that the width of the... | 03/22/1983 |
| 4377805 | Magnetic recording A method and apparatus for encoding or decoding data in accordance with a coding format, referred to herein as Y$c; and which is based on the 3PM coding format. Data encoded in accordance with the Y$c; format is generated by initially encoding, at a... | 03/22/1983 |
| 4375610 | Windshield wiper device for automobiles A windshield wiper device for automobiles including a control circuit for controlling a wiper drive motor. The control circuit has a wiper switch including an intermittent position wherein the wiper is intermittently driven. In the intermittent position o... | 03/01/1983 |
| 4375640 | Radar systems A radar system comprising a filter with a variable pass band to which radar video signals are fed, data storage means including a main store having a plurality of storage addresses into which data appertaining to the velocity of targets in a plurality of ... | 03/01/1983 |
| 4374598 | Security bars A security bar assembly for an opening includes an elongate bar extending across the opening, and a socket connector assembly at each end of the bar to be secured to the respective side of the opening by means of a fastening accessible only from within th... | 02/22/1983 |
| 4374805 | Reductants for reducing metals in acid media Metals such as iron, uranium, vanadium, molybdenum and rare earths are reduced to lower oxidation states in various acid media using silicon metal or an iron-silicon alloy. In particular, ferric iron and hexavalent uranium in wet-process phosphoric acid a... | 02/22/1983 |
| 4374471 | Plant for transferring yarn hanks along a path passing through a treating unit A plant for automatically supplying hanks carried on sticks to a squeezing unit or squeezer for hank squeezing, for removing squeezed hanks from the squeezer, for transfer of hanks to a movement line or apparatus and for stick removal. The plant has a cha... | 02/22/1983 |
| 4374374 | Electric contact device An electric contact or circuit breaker device comprises a base member and an operating member. In a surface of the base member, there is provided at least one elongated indentation wherein an electric conductor is inserted and is without electrical connec... | 02/15/1983 |
| 4373319 | Record bagging A bag holding arrangement for disc record sleeves comprising, a plate whose lower surface is profiled to conform substantially to one side of an open bag. The lower surface of the plate is provided with suction means so that in operation the upper side of... | 02/15/1983 |
| 4373568 | Reducible volume sun-blind Disclosed herein is a reducible volume sun-blind with which, thanks to its simple yet functional means of adjustment, it is possible to constantly regulate the extent to which direct luminous radiation can pass therethrough. The support frame of the sun-b... | 02/15/1983 |
| 4374039 | Anticlumping products and treatments based on amin salts The invention relates to anticlumping products and to an anticlumping treatment. The anticlumping products for salts, simple or complex fertilizers, comprise, as active substance an effective amount of at least one non-hydrosoluble salt of an alkylamine, ... | 02/15/1983 |
| 4373086 | Curable resin composition from cyanate ester and acrylic ester A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of said cyanate esters, coprepolymers of said cyan... | 02/08/1983 |
| 4372922 | Process for the recovery of indium The invention is directed to a process for the recovery of indium contained as an impurity in aqueous solutions in concentrations less than 1 gram per liter, by extracting indium from an aqueous solution by contacting with a first phase, which consists of... | 02/08/1983 |
| 4372824 | Method of manufacturing oxygen sensor A method of manufacturing an oxygen sensor composed of oxygen ion transmissible solid electrolyte which is operative to detect an oxygen concentration in exhaust gas delivered from an internal combustion engine for the purpose of controlling a ratio of ai... | 02/08/1983 |
| 4372780 | Process for recovery of metals contained in plombiferous and/or zinciferous oxide compounds Process for recovery of zinc and lead contained in oxidized zinc and lead compounds characterized by the facts that, after drying, the compound is injected into a pig iron bath and the gasses released are condensed, allowing lead and zinc to be recovered ... | 02/08/1983 |
| 4372206 | Device for controlling the movement of a web through a printing machine The invention relates to the movement of a web through a printing machine. The web is caused to move forward during each cycle, alternately at the printing speed during printing and at a take-up speed which is at most equal to the printing speed, the excess le... | 02/08/1983 |
| 4372443 | Cigarette package which has device to open and close A package formed from a folded blank for containing cigarettes. The package has side surfaces, front and rear surfaces interconnecting the side surfaces, a top surface, and a bottom surface. The top surface of the package has a crease line formed therein ... | 02/08/1983 |
| 4372436 | Apparatus for deflecting flat workpieces through 180° with simultaneous rotation through 90° In a bag-making machine comprising a tube-making device and a device parallel thereto for forming bases on flattened individual tube sections fed longitudinally from the tube-making device, an apparatus for deflecting the tube sections comprises spaced pa... | 02/08/1983 |
| 4371308 | Arrangement in a cable winding machine A cable winding machine movable on a bedding (2) and having two vertical support members (1) interconnected by an extensible cross bar (14). The support members carry spindles (3) for supporting a cable reel (4). Each of the spindles is displaceable along... | 02/01/1983 |
| 4371320 | Semi-rotary hydraulic pump A semi-rotary pump having a spherical pump body (4) mounted for rotation within a supporting housing (1) about an axis (X--X). A sector (5), having two diametrically opposed segment portions (6,7), is mounted for oscillation within the pump body about an oscil... | 02/01/1983 |
| 4371360 | Locking mechanism in tension providing device A locking mechanism for use in a tension providing device. The tension providing device has a first shaft with a threaded end portion disposed within the interior of a cylindrical casing and a second end with a slit groove formed therein. A second shaft o... | 02/01/1983 |
| 4371367 | Apparatus for pulling open tube sections to form base squares in the production of cross-bottom sacks An apparatus for opening and folding the end of a flattened tubular sheet to define the rectangular base of a bag or sack to be made from the sheet comprises a table having a slot through which the flattened sheet projects, the projection being formed int... | 02/01/1983 |
| 4371413 | Apparatus for applying transverse weld or weld-severing seams to a web of thermoplastic or hot-sealable material In welding apparatus for web material, one of a pair of feed rollers for the web is reciprocatable by a crank shaft. A swing arm oscillated by the crank shaft oscillates a gear segment for intermittently driving the feed rollers. A clutch and brake unit f... | 02/01/1983 |
| 4370800 | Method of balancing electrical machine rotor Method of balancing an electrical machine rotor comprising starting the liquid cooling system of the rotor winding formed of parallel hydraulic branches arranged on the body of the rotor, monitoring the variables of the cooling conditions of said branches... | 02/01/1983 |
| 4371504 | Extractant and process for extracting uranium wet-process phosphoric acid Uranium in wet-process phosphoric acid in the tetravalent state is extracted with a mixture of mono- and di-(alkylphenyl) esters of orthophosphoric acid containing a phenol modifier such as nonylphenol or octylphenol.... | 02/01/1983 |
| 4371517 | Composition for treating fibrous materials, based on cationic and anionic polymers The invention provides compositions intended for the treatment of fibrous materials. These compositions contain at least one cationic polymer, at least one anionic polymer, at least one alkali metal salt and at least one non-ionic surface-active agent or ... | 02/01/1983 |
| 4370799 | Method for manufacturing unfinished parts for pressed material commutators A method for manufacturing commutators for electric motors wherein a hollow cylindrical body is provided having longitudinal grooves and ridges on its inner surface. The circumferential widths of the inner grooves are initially larger than the desired ult... | 02/01/1983 |
