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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 4962827 | Extendable, elevatable, rotatable, collapsible boom and basket for vehicles An extendable, elevatable and rotatable boom carrying at its outer end a basket which is longitudinally collapsible in order to reduce the longitudinal space occupied by the collapsible basket, the boom and basket being adapted to be mounted on a rescue c... | 10/16/1990 |
| 4735712 | Method of producing wear layer on screen rail and screen rail having wear layer so produced A rubber wear layer is molded to a metal sheet, which is relatively thin, in comparison with a side rail for tensioning a vibrating screen, then attached to the side rail, as above a flange which provides a connection with the screen. The rubber layer and... | 04/05/1988 |
| 4673182 | Pivoted track and slot car amusement device or game A track having spaced, parallel edges, including a plurality of adjacent curves facing in different directions and connections between the curves, around which a frame carrying an object, such as simulating a racing car, a greyhound, a horse, a camel or t... | 06/16/1987 |
| 4634072 | Electric fishing reel A fishing reel having a drive motor, gearing, stationary spool for the fishing line and a flanged winding cup provided with a guide for a pickup pin extendable through the flange, together with a cam for causing the guide and pickup pin to be extended, in... | 01/06/1987 |
| 4617909 | Method of and device for preventing smoke curling from underneath the hood of a grease extraction ventilator A method of preventing smoke curling from beneath depending enclosure walls of a grease extraction ventilator, comprises providing a series of apertures in the walls from adjacent the lower edge thereof for a predetermined distance upwardly. The apertures... | 10/21/1986 |
| 4454989 | Sprinkling hoses A hollow hose has a series of preformed triangular units or sections in connected sequence, with one leg of each unit adapted to engage the ground when the hose is stretched to correspond to the length of the area to be sprinkled. The upwardly extending a... | 06/19/1984 |
| 4453672 | Vehicle mounted aerial lift A lower boom is pivotally mounted on a turntable and moved upwardly and downwardly by a hydraulic cylinder, the lower end of which may be pivoted on the same pivot shaft as that on which a pair of links are pivoted. The outer ends of the links are pivotal... | 06/12/1984 |
| 4451960 | Method of producing multiple coil, multiple tube heat exchanger A method of producing multiple coil, multiple tube heat exchanger from circular tubes, in which alternating turns in each coil have a warmer liquid and other turns a cooler liquid, by coating the outside of each coil with a heat conductive mastic and wind... | 06/05/1984 |
| 4443996 | Flexible spur holders and spurs A spur holder is formed of flexible material and has a rear body and sides connecting the body to a front loop, which is stretchable over the heel of the boot to engage the front of the heel, with the rear body disposed at the rear of the boot adjacent th... | 04/24/1984 |
| 4434513 | Infant head protector A roll extends around the upper end and along each side of an infant's back. The panel continues beyond the roll as a flap on which the infant sits. The roll is formed by an outer layer enclosing a resilient but compressible material and preferably has a ... | 03/06/1984 |
| 4426170 | Automatic paper roller release mechanism for teletype and electric typewriters A lever for moving a shaft which, in turn, moves pressure rollers away from the platen, against which the paper is held by the pressure rollers, is movable between first and second positions. The lever is urged, as by a spring, toward the first position w... | 01/17/1984 |
| 4416956 | Apparatus for carrying out a chemical or physical process This invention is essentially an improved means for contacting solids, liquids, and gases at elevated pressures and at desired temperatures, for providing inherently stable pressures, for conserving the heat of chemical reactions, and for minimizing the p... | 11/22/1983 |
| 4409104 | Method of regenerating molecular sieve material A molecular sieve material for removing water from a liquid, such as distilled alcohol produced from grain, is placed in a series of concentric cylindrical spaces of narrow but equal width and separated by concentric cylindrical passages of lesser width, ... | 10/11/1983 |
| 4390131 | Method of and apparatus for comminuting material Produce air flow longitudinally through circular inlet passage toward frusto-conical chamber which expands to a cylindrical chamber. Produce air flow tangentially of cylindrical chamber, as by blower, to produce spiral flow therein and in a larger, coaxia... | 06/28/1983 |
| 4364975 | Method of and apparatus for producing asphalt saturated fiberboard A tank having a hinged top and sealing means is provided with a series of heaters mounted on the inside of the front, rear and side walls and also the bottom of the tank. A rack containing fiberboards placed in upright, spaced position is set on the botto... | 12/21/1982 |
| 4363249 | Safety apparatus for vehicles having automatic transmissions A neutral safety switch is moved to a closed position upon shifting of an automatic transmission to a neutral position but moved to an open position when the automatic transmission is shifted to a drive position. An air pressure responsive switch is moved... | 12/14/1982 |
| 4348854 | Tiedown and instep straps for spurs The tiedown strap is formed of neoprene or other suitable resilient material and has a rear extension having a slot for detachably engaging the rowel, a front loop stretchable onto the front of the boot heel and side extensions having holes for detachably... | 09/14/1982 |
| 4329766 | Tool for installing scarifier teeth A tool for installing scarifier teeth in a hole in a socket attached to a drum, as by using an identical pin and air hammer as can be used for removing the teeth through an aperture at the rear of the socket. The tool has a circular hole with an inner bev... | 05/18/1982 |
| 4313491 | Coiled heat exchanger A series of tubes wound in spiral, spaced relation in pressure contact with the next inner tube or a central cylinder to form, between them, a spiral path for one liquid flowing upwardly in the space between the tubes, while another liquid flows downwardl... | 02/02/1982 |
| 4287708 | Alfalfa harvesting and processing apparatus A harvesting apparatus adapted to move through a field of vegetation having a liquid component and a fiber component to mow and gather the vegetation and a processing means to grind the vegetation to a pulp as it is received, extract and collect the liqui... | 09/08/1981 |
| 4265150 | Variable follower rest for a lathe A variable follower rest for a lathe for supporting tapered shafts and similar shafts of varying diameter as they are being turned. The follower rest includes a bearing arm above and another bearing diametrically opposite to the cutting tool to resist the... | 05/05/1981 |
| 4204622 | Electric impact tool This invention relates to an electric impact tool characterized by a pair of electric motor-driven counterrotating flywheels, at least one of which is movable relative to the other from a retracted inoperative position into an extended operative one close... | 05/27/1980 |
| 4126189 | Folding tool carrier A folding tool carrier to be attached to a tractor and to carry an array of cultivating tools or implements. The carrier includes three bars forming a central section and a wing section at each side of the central section. Each wing section is connected t... | 11/21/1978 |
| 4122585 | Single-action double-lock snap The invention is a single-action double-lock snap, a snap hook having a lock arm. The hook includes a shank with a hook at one end of the shank. The other end of the snap is connected to a cable or a lanyard and in use, the hook is connected to an anchor ... | 10/31/1978 |
| 4076310 | Lift for truck gate The invention is a lift for the gate of a truck, and especially a gate at the side of the truck. An L-shaped lift arm has base bars pivotally connected to an actuator mechanism beneath the bed of a truck. These arms swing to the side of the truck when ext... | 02/28/1978 |
