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 |
| 4587458 | Controlling current density A vacuum furnace for the ionic surface treatment of workpieces in which the workpiece is connected as one of a pair of electrodes of opposite polarity, and in which a third electrode is located adjacent the workpiece and is connected to it at the same pol... | 05/06/1986 |
| 4578876 | Process and apparatus for spraying a powder with liquid The process includes entraining a powder having an average particle size in the range of 1 micron to 1.0 mm in air within a mixing vessel and spraying the entrained powder with a liquid within a spray zone in the mixing vessel. The process is used especia... | 04/01/1986 |
| 4575182 | Dielectric optical waveguide connecting device Two optical fibres to be coupled end-to-end are respectively located within a cluster of straight rigid elements. The meeting ends of the elements are tapered to provide docking ramps which ensure precise axial alignment of the clusters.... | 03/11/1986 |
| 4574489 | Wheel alignment gauge In a wheel alignment gauge for a vehicle, correction for buckling or other lack of truth in the wheel is made by fastening the gauge to the wheel, mounting indicating apparatus onto a spindle and articulating the spindle about an axis to bring the spindle... | 03/11/1986 |
| 4573691 | Mechanical face seals In a mechanical face seal for producing a fluid tight seal between a pair of relatively rotatable components a first sealing element is associated with one of said components and is fixed axially with respect thereto; a second sealing element is associate... | 03/04/1986 |
| 4569207 | Heat pump heating and cooling system Systems for transferring energy between a conditioned zone, a heat source or sink liquid, and an ambient zone including combination liquid-source, air-source heat pumps with multi-fluid reversing means and an easily manufactured multi-fluid heat exchanger... | 02/11/1986 |
| 4566754 | Optical fibres An optical fibre capable of monomode transmission in, and having a wavelength of zero dispersion in, the 1.55 μm window and having a core comprising silica and germanium dioxide and a cladding comprising silica is drawn from an appropriate preform at a t... | 01/28/1986 |
| 4564347 | Continuous extrusion apparatus Apparatus for the continuous extrusion of metals in which feed is introduced into a pair of circumferential grooves in a rotating wheel to contact arcuate tooling and abutments. The feed is constrained by the abutments to flow through exit apertures in a ... | 01/14/1986 |
| 4563007 | Golf club shafts A set of golf club shafts that are produced wherein the torsional stiffness of each shaft within the set as a function of its length, be within 5% of a straight line having a gradient lying between zero and a positive value. Each shaft of the set of golf ... | 01/07/1986 |
| 4562913 | Friction clutch driven plate A friction clutch driven plate incorporates a hub, an intermediate drive plate connected to a flange of the hub through a toothed lost-motion connection and a friction facing carrier incorporating two side plates. Main torsion damping springs act between ... | 01/07/1986 |
| 4562910 | Diaphragm spring clutch cover assemblies A diaphragm spring clutch of the kind in which the diaphragm spring is retained by a plurality of tabs extending through windows in the spring and embracing a pair of wire fulcrum rings. Each tab is deformed radially outwards midway between the fulcrum ri... | 01/07/1986 |
| 4561531 | Hydraulic slave cylinder with latch means for use with clutch release bearing Concentric piston and cylinder components of a hydraulic slave cylinder used with a clutch release bearing have their axial movement under a biassing spring limited by latch means in the form of flanges. The flanges each have a radial face and a chamfered... | 12/31/1985 |
| 4561530 | Electronic clutch control system An electronic clutch control system for a friction clutch for starting a vehicle from rest has a clutch position control loop in which the actual clutch position feed-back signal is modified to compensate for changes in clutch characteristic. An engine sp... | 12/31/1985 |
| 4561297 | Hand-held diesel engine injection tester A hand-held diesel engine tester, includes a hand operable pump, a reservoir for liquid to be pumped, connection elements for said injector and a liquid pressure indicator or a connection for a liquid pressure indicator.... | 12/31/1985 |
| 4556246 | Chain components A chain sling assembly (FIG. 13) includes a main link 2 provided with two separable connector links 14 each carrying two shackles 50 and shortening clutches 66. Each connector link 14 has a first portion 16 profiled to co-act with the main link 2 and a se... | 12/03/1985 |
| 4556017 | Fluidized bed combustion apparatus A fluidized bed furnace and boiler for the combustion of flyash with a moisture content of 45% by weight. The flyash is produced as a by-product of a coal gasification process and transported in water to a slime dam. From the slime dam a slurry of flyash ... | 12/03/1985 |
| 4555415 | Vitreous enamels A process for applying a vitreous enamel comprises applying a powdered vitreous frit to a metal, said frit having a water content of up to 0.03% by weight; this coated metal then being fired at a temperature in excess of the melting point of the frit, in ... | 11/26/1985 |
| 4555013 | Conveyor belt having vacuum system for retaining articles thereon A conveyor comprising an endless belt for conveying items forward with a vacuum system for vacuum gripping items to the belt to avoid shifting of the items relative to the belt.... | 11/26/1985 |
| 4555005 | Friction clutches The invention is concerned with provision of a power take-off from a friction clutch without altering the fundamental design of the clutch itself. The clutch comprises a cover member, a pressure plate and a diaphragm spring having an outer belville portio... | 11/26/1985 |
| 4552280 | Containers for waste products A container for medical waste products includes a receptacle and a closure member. The closure member is connected to a resiliently deformable member biasing the closure member to close the aperture to the receptacle. In one version the closure member is ... | 11/12/1985 |
| 4552065 | Printing in register on sheets This invention is concerned with the high speed printing of a line of text on a sheet in very accurate registration with an edge of the sheet or another feature (for example an existing print line) on the sheet. The sheet is fed without preregistration on... | 11/12/1985 |
| 4548308 | Friction clutch driven plate A friction clutch driven plate comprises a hub having a fixed hub flange and an auxiliary hub flange which can rotate a limited amount relative to the hub. Bob weights can move radially under centrifugal force against return springs to engage apertures in... | 10/22/1985 |
| 4548012 | Collapsible framework A multipurpose collapsible structure which may be used, for example, as a display stand or as a storage rack. The structure comprises four rectangular frames 2, 3, 4 and 5, defining a rectangular enclosure. The two opposite upright frames 2 and 4 have out... | 10/22/1985 |
| 4544057 | Rotary transmission The transmission is intended to effect synchronism between the speed of an engine and the speed of a transmission input shaft. An engine drive clutch and gearbox combination is provided which comprises automatic change speed to engage and disengage the dr... | 10/01/1985 |
| 4540358 | Apparatus for the manufacture of a precast building element of concrete Apparatus for manufacturing a hollow concrete slab by a slide casting operation. The slab is formed with one or more cavities through the use of tubes of flexible material into which a pressurized medium, particularly water, is fed. The apparatus comprise... | 09/10/1985 |
| 4537524 | Ball and socket joint A ball and socket joint is of the type in which a ball pin is supported by a bearing insert retained within a housing. The bearing insert has axial slots in one end which upon assembly of the joint allow the insert to be deformed in a more consistant mann... | 08/27/1985 |
| 4537297 | Friction clutch driven plate A friction clutch driven plate for motor vehicles is of the kind in which a friction facing carrier assembly is mounted for limited rotation relative to a hub, such limited rotation being controlled by damping springs and a friction damper. Centrifugal co... | 08/27/1985 |
| 4537293 | Hydraulic cylinder assemblies A drum brake hydraulic wheel cylinder assembly comprises a pair of piston assemblies and an abutment member. The piston assemblies are of the kind comprising an adjustable variable length tappet assembly having interengaged screw-threaded components. To e... | 08/27/1985 |
| 4531503 | Fluid pressure repeating pistol with unitary barrel and hammer assembly A single-action, gas powered repeating pistol has a sliding unitary barrel and hammer assembly with the barrel and hammer aligned on opposite sides of a fixed pressure chamber. In the uncocked condition, the hammer extends rearwardly of the main frame so ... | 07/30/1985 |
| 4529337 | Distribution of particulate material An apparatus for distributing particulate material includes a feeder having a charging inlet and a discharge outlet duct having converging walls. Coaxially aligned with the discharge outlet duct is a deflector including a first spreader having diverging o... | 07/16/1985 |
| 4529318 | Method and apparatus for inspecting sheets for flaws Apparatus for detecting missing areas or folded corners in sheets, for example banknotes (14), is disclosed. FIG. 1 shows a banknote (14) being scanned in a strip along one edge of the banknote. A strip light source 12 and a strip sensor 16 are disposed o... | 07/16/1985 |
| 4525624 | Data logging device To allow a salesman to record data relating to merchandise items which are to be ordered, a logging device comprises a casing in which are housed a keyboard, a display and associated circuits. The salesman locates a sheet containing a list of merchandise ... | 06/25/1985 |
| 4518064 | Clutch control means A vehicle transmission clutch control including an electronic logic control which controls the transmission gear selection, a clutch position signal generator responsive to vehicle operating parameters to produce a command signal which operates a clutch c... | 05/21/1985 |
| 4517721 | Method of making a tube in sheet heat exchanger A heat exchanger having a heat absorbing or radiating panel formed from a plate which is mounted in thermal contact with a pipe or series of pipes. The panel is mounted within a seamless frame member, joining means being interposed between the panel and f... | 05/21/1985 |
| 4507013 | Device and method for repair of pot holes Repair of pot holes in public roads, streets and highways is facilitated and improved by the use of a simple holding device which is firmly anchored in place in the pot hole before filling the hole with conventional road patching material which then perma... | 03/26/1985 |
| 4498836 | Loading ramp for truck bed A retractable ramp or runway is pivotally connected to the bed of a truck or trailer to facilitate the loading of heavy machinery or equipment upon the bed. Fluid pressure actuated members are connected to the ramp or runway for elevating same from an inc... | 02/12/1985 |
| 4497536 | Coupling of dielectric optical waveguides A technique for aligning and coupling dielectric optical waveguides comprises threading the end of a waveguide through the central opening of a triad ball connector and forming by fusion a generally spherical glass bead on the end of the waveguide using, ... | 02/05/1985 |
| 4497493 | Mechanical face seals with wear monitor means A method of monitoring the wear of the sealing faces of a mechanical face seal comprising; positioning a probe radially of the axially moveable seal face member of the seal or a component which moves axially with the seal face member; producing a signal w... | 02/05/1985 |
| 4497397 | Clutch control system A vehicle electronic control system for a friction clutch having a clutch position signal generator which senses the vehicle operating conditions and produces a command signal which dictates the state of engagement of the clutch. A clutch actuator control... | 02/05/1985 |
| 4497175 | Hydraulic master cylinder A hydraulic master cylinder has pistons displaceable along the pivot axis of a brake pedal to apply the vehicle brakes. Motion between the pedal and the pistons is transmitted by balls located in a respective arcuate track formed partly in the pedal and p... | 02/05/1985 |
