Celebrity Inventors
Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 4291837 | Automatic multiple move irrigation line An irrigation line move operates fully automatically for twenty-four hours and includes a prime mover carriage carrying a gasoline engine which drives a pipe of a wheel line through a hydraulic drive system, and the wheel pipe, through a first planetary t... | 09/29/1981 |
| 4290591 | Hand tool for holding electrical outlet boxes during installation to a stud or other structural member A hand tool is described for holding the front of an electrical outlet box a predetermined distance outwardly beyond the front surface of a stud or other structural member as the box is installed so that when wallboard or other finish material is mounted ... | 09/22/1981 |
| 4281721 | Bulldozer blade mounting assembly A mounting assembly for supporting a scraping tool (e.g. a bulldozer blade) forward of a vehicle (e.g. a bulldozer) and enabling independent angling and tilting of the tool is disclosed. The assembly includes a U-shaped mainframe, a swingframe, means for ... | 08/04/1981 |
| 4277223 | Case construction for multi-stage pump A double-case, multi-stage, centrifugal pump having a plurality of impellers mounted on a common shaft at axially spaced pump stages. The first pump stage is housed within a unitary forward case section of a three-section inner case assembly. Subsequent s... | 07/07/1981 |
| 4273064 | Hatch cover A hatch cover for closing and sealing a hatch opening has a latching mechanism at one side of the cover which includes a rotatable hub and plural latching arms extending in different directions from the hub towards a rim of the opening. Rotation of the hu... | 06/16/1981 |
| 4272984 | Pipeline leak detection method and control device therefor For sealing a pipeline at selective locations in order to perform leak tests, a pipeline packer assembly capable of internal travel within the pipeline can be moved to and stopped at selected locations and the packer inflated against the interior pipe wal... | 06/16/1981 |
| 4270490 | Animal feed bowls A pair of animal feed bowls, one of which is for additionally acting as a cover for the other feed bowl is disclosed. Cooperating apparatus is provided on the two bowls for releasably securing one in an inverted position as a cover over the other. In one ... | 06/02/1981 |
| 4268051 | Log bunk structures The specification discloses a roller insert which can be welded into a crossframe of a log trailer to provide low friction to a pivoted log bunk. Each insert includes a frame welded into a cutout portion in an end portion of the crossframe. Rollers are mo... | 05/19/1981 |
| 4262826 | Auxiliary bunghole attachment An attachment for a barrel includes a plate and a fastening mechanism having a locking arm and lever for releasably securing the plate to the rim of a barrel. When secured in position, an auxiliary bunghole through the plate is aligned with the bunghole o... | 04/21/1981 |
| 4262730 | Strike off method for automatically leveling and compacting sand in mold boxes of varying heights The specification discloses a strike off apparatus for leveling and compacting mounds of sand extending above the upper edges of open-top mold boxes of varying heights carried in succession along a pathway. A pair of pivotally supported rollers extend acr... | 04/21/1981 |
| 4262928 | Golf club carrier A club container is removably mounted on a cart and has a bottom notch receiving a crossrod of the cart and an upper, releasable latch. The club container has a pleated, flexible plastic irons separator and has long tubular sockets receiving shafts of the... | 04/21/1981 |
| 4259926 | Method and apparatus for rearing of planktonic larvae of marine animals A method and apparatus for the field rearing of planktonic larvae of marine animals involving suspending a field culture enclosure in oceanic tidal waters, stocking the enclosure with larvae of a preselected species of marine animal, permitting the enclos... | 04/07/1981 |
| 4255867 | Guideline and layout ruler for calligraphers A calligrapher's ruler including two fixed parallel longitudinal members each bearing a different set of graduated indicia is disclosed. A central member is slidably retained between the longitudinal members and mounts an elongated lateral straightedge me... | 03/17/1981 |
| 4255876 | Athletic shoe having an upper toe section of stretchable material, external reinforcing strips and improved lacing An athletic shoe is described including a shoe upper having a toe section and a main body section joined together and to a sole portion. Preferably the toe section extends forwardly of the metatarsophalangeal joints and is of a stretchable material to per... | 03/17/1981 |
| 4255877 | Athletic shoe having external heel counter An athletic shoe is described having an external heel counter member made of a resilient material, such as rubber or other elastomer for greater stability and comfort. The external heel counter is bonded to the outer surface of both sides of the heel port... | 03/17/1981 |
| 4255890 | Trolling planer and release A trolling planer for use in downrigger trolling systems has an elongated cylindrical weighted body and a diving plane mounted above the body. The plane is positioned forwardly of the body's center of gravity and at an angle to such body. A bridle for att... | 03/17/1981 |
| 4253265 | Animal trap An adjustable animal trap is adapted for both trigger and triggerless operation. A pivotal support for the trap's pan frame is movable along a slot located at right angles to the trap jaws for positioning a catch in engaging relation with a trap jaw. A se... | 03/03/1981 |
| 4253247 | Steam distributor The specification discloses a hot gas distributor in a paper making machine. The distributor includes a pipe supported by end plates and supporting an elongated hood divided by partitions into a multitude of chambers. Centered in each chamber is a tubular... | 03/03/1981 |
| 4253271 | Mass algal culture system An apparatus and process for the culture of algae in a liquid medium is disclosed. The medium circulates through an open trough and is exposed to an atmosphere which is temperature regulated. The nutrient content of the liquid medium is regulated to contr... | 03/03/1981 |
| 4252229 | Walking beam treatment apparatus with rotatable workpiece containing barrels A treatment apparatus using a walking beam transporter is provided with an indexing mechanism for enabling barrels supported on the beam to be indexed rotationally in use, either in a treatment solution or when raised above it. The drive mechanism compris... | 02/24/1981 |
| 4252385 | Sealed wheel and axle assemblies The specification discloses wheel and axle assemblies in each of which a sealing washer serves both as a bearing seal and a thrust washer. The washer has a thicker, belled thrust washer portion and an outer, thinner, belled flange hinged to the thrust was... | 02/24/1981 |
| 4251898 | Intermittently operating air actuated windshield wiper A control valve has a first position in which it directs air under pressure to a wiper motor through a "run" line to actuate the motor to oscillate the wiper. The control valve has a second position in which it directs air through a park line to a valve c... | 02/24/1981 |
| 4252231 | Bottom board feeder apparatus The specification discloses a bottom board feeder apparatus for feeding bottom boards onto the top surface of mold boxes of varying heights. The bottom boards are supplied in succession to the apparatus by a first conveying line. The mold boxes are suppli... | 02/24/1981 |
| 4249899 | Warm water dental syringe The specification discloses a dental syringe with a tubular handle adapted to pre-heat water before it is delivered through the syringe tip into a patient's mouth. Water and air supply hoses are connected to the handle, and electric heater and thermostat ... | 02/10/1981 |
| 4248589 | Dental syringe with quick disconnect tip The specification discloses a dental syringe having a head, a tip and a releasable coupling mounted on the head. The head and tip have a corresponding number of fluid passages therethrough. The coupling includes a cylindrical base and a lock nut which scr... | 02/03/1981 |
| 4249128 | Wide pulse gated metal detector with improved noise rejection A transmit-receive type buried metal detector is described employing wide gating pulses to transmit a portion of the received signal through a gate means to an averaging means for reducing any noise in the signal. The gating pulses are centered on the rec... | 02/03/1981 |
| 4248390 | Rock crushing machine with rotary eccentric jaw driving mechanism A rock crusher includes a rotary eccentric drive mechanism for imparting substantially linear motion to a movable jaw between a pair of fixed jaws. A driven cam shaft cooperates with a surrounding eccentric sleeve to impart this motion to the jaw. In one ... | 02/03/1981 |
| 4248418 | Rung fitting for playground equipment A rung assembly has an overall length just short of the spacing between a pair of posts to permit it to be positioned therebetween, after which the assembly can be mounted on the posts by means of axial bolts at the ends of the assembly. The bolts are so ... | 02/03/1981 |
| 4247075 | Molds for making feathered lures Barbules are positioned on a shank of a hook and a channel-like lure body having a rounded tip is molded onto the hook with a central rib embedding the barbules to attach them to the hook in positions extending outwardly and upwardly beyond the edges of t... | 01/27/1981 |
| 4246771 | Crimping tool having dual purpose ram A tool having a dual purpose ram formed with a first portion to drive a knife through a cable to sever it, and a second portion to crimp a connector onto the end of the cable. The knife is made sufficiently deep in width that it will sever the cable compl... | 01/27/1981 |
| 4245535 | Portable sawmill and method for cutting logs A portable sawmill includes a log supporting mechanism for holding a substantially horizontal log. A chain saw with a substantially horizontal effective cutting edge at least as long as the log is supported at only one end by a saw mounting assembly with ... | 01/20/1981 |
| 4246538 | Method of investigating the electrical resistivity of the ground and apparatus for use in the method In a method of investigating the electrical resistivity of the ground, five electrodes are implanted in the ground at equal spacings along a straight line. An electrical current is passed through the ground between one pair of these electrodes and the pot... | 01/20/1981 |
| 4243010 | Supercharger apparatus with fixed baffle air-fuel mixture routing box A compact air-fuel mixture routing box mounted on an internal combustion engine is divided into first and second chambers by an internal diagonally positioned opening free fixed baffle. An air-fuel mixture from a carburetor mounted on top of the routing b... | 01/06/1981 |
| 4240175 | Apparatus for washing the interior of a freight container The specification discloses an apparatus for washing the interior of an elongate, generally rectangular freight container. The apparatus includes a wash dolly and a transfer carriage adapted to carry the wash dolly into alignment with the open end of the ... | 12/23/1980 |
| 4239030 | Field burner apparatus A field burning vehicle providing a downwardly opening cavity for covering a burning area, with mechanism for withdrawing the combustion products from said cavity and forcing them through a high temperature furnace to burn the solids therein, and thereaft... | 12/16/1980 |
| 4239119 | Disc separator An improved disc separator in which discs are mounted on retainers to form multiple disc units and the units are mounted end-to-end on a shaft and are clamped in place thereon. The discs have internal splines that project through and beyond splining slots... | 12/16/1980 |
| 4236365 | Rigid building component and method of manufacture A rigid building component such as a door, table top or the like, is formed of coarse wooden particles mixed with adhesive, and a solid wooden edge frame, positioned between a pair of damp, substantially parallel, cellulosic fiber webs. A heated press is ... | 12/02/1980 |
| 4235298 | Truck or truck tractor windshield air ram arrangement A truck or truck tractor having an opening between the base of its windshield and the rear end of its hood. Air pressure in this area drives air through a moisture tray and a collector trap to a conduit to an air cleaner leading to a turbocharger. Rain, s... | 11/25/1980 |
| 4233914 | Pressurized waste wood furnace system A forced draft fan creates within a furnace fuel cell a pressure which is high enough to provide a pressure gradient effective to force the combustion gases from the cell all the way to the dryer. The combustion gases are provided by waste wood products w... | 11/18/1980 |
| 4234010 | Self-cleaning dump valve for chemical reactor tank A dump valve apparatus is described which may be used to drain a chemical reactor tank. The valve includes a valve seat ring having a substantially vertical inner seat surface defining a discharge passage, a valve plug having a substantially vertical oute... | 11/18/1980 |
