Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 4608553 | Analog to digital converter without zero drift The conversion is effected by adding equal and opposite reference voltages to the analog signal to provide two first output voltage levels. The voltage difference between these levels is converted into a first given number of pulses. The polarity of the a... | 08/26/1986 |
| 4546838 | Flexure isolated shear web load cell Load cells for weighing scales are provided with integrally formed flexures for preventing extraneous moments from affecting strain gauges secured to the load cells. The load cell itself includes in its simplest form a rectangular shaped body having cut-o... | 10/15/1985 |
| 4537482 | Motion picture film movement apparatus A captive film loop apparatus moves film through a film gate in a manner to increase the dwell time of each film frame in the gate over that normally available with presently known captive film loop apparatus. Film loops on either side of the gate are hel... | 08/27/1985 |
| 4532774 | Portable field site pre-cooling apparatus The apparatus is for pre-cooling produce immediately after harvesting of the same and towards this end, constitutes a portable elongated enclosure normally positioned at the field site of harvesting. A detachable dolly supports the enclosure so that it ca... | 08/06/1985 |
| 4531291 | Animal grooming clipper The clipper is driven by a flexible shaft from a stationary motor supported by a stand clamped to an edge of a grooming table. Because the motor is not incorporated in the clipper casing as characterizes prior art clippers, the casing is lighter, operates... | 07/30/1985 |
| 4525908 | Manually operable universal key code cutting device The device includes a base plate, a longitudinally slidable key vise carriage on the base plate, and an overhead support for a manually operable key file. The various components cooperate in such a manner as to permit adjustments in the successive spacing... | 07/02/1985 |
| 4521979 | Shock absorbing shoe sole The shoe sole can either be external or constitute an inner sole to be received within the shoe. It includes a supporting pad having a plurality of circular recesses formed in its underside. A like plurality of identical individual enclosures of resilient... | 06/11/1985 |
| 4522476 | Motion picture film gate and registration system The film gate and registration system is used for motion picture film that is intermittently transported through a gate from one frame to the next. The arrangement is applicable to both motion picture cameras and projectors. A gate is provided with an ape... | 06/11/1985 |
| 4515379 | Wheel truck and roller assembly The wheel truck for a skateboard or a rollerskate includes a roller coaxially mounted between the left and right skate wheels. This roller is of a lesser radius than the radius of the skate wheels so that it will normally be clear of objects when the whee... | 05/07/1985 |
| 4512613 | Wheel hub latch mechanism for power wheelchairs The free-wheeling latch disengages the wheels of power type wheelchairs from the motors to permit easy manual use of the wheelchair. The latch itself is in the form of a manually movable pin projecting into a bore in the side of the hub. When the pin is m... | 04/23/1985 |
| 4500137 | Physiological chair The chair has a specially constructed seat made up of a forward section, central section and rear section functioning respectively as thigh, tuber and sacral supports for an occupant seated in the chair. The central section serving as the tuber support is... | 02/19/1985 |
| 4499629 | Door pull mounting and locking assembly The assembly includes a shaft having its opposite ends threaded in opposite directions. This shaft is passed through a hole in a door to which door pulls are to be mounted. First and second door pulls have oppositely threaded openings for receiving the en... | 02/19/1985 |
| 4498747 | Motion picture camera A motion picture camera includes a film pull down mechanism and shutter in which film is moved from one frame to the next in a 360° operating cycle made up of a pull down time and a dwell time. The film pull down mechanism is designed to pull the film do... | 02/12/1985 |
| 4492172 | Method and apparatus for producing non-rhizoming grasses The method involves preparing seed beds in the form of parallel troughs of substantially closer spacing than used heretofore. Seeds for grass having non-rhizoming characteristics are planted in these troughs at a given rate to provide a substantially unif... | 01/08/1985 |
| 4491265 | Method of aligning honeycomb cells A continuous strip of brazing foil is partially folded about transverse parallel fold lines in a repetitive pattern. When this strip is positioned between the nodes of honeycomb cells the fold lines will index the cells into proper alignment for assembly.... | 01/01/1985 |
| 4489981 | Wheelchair adjustable arm rest assembly Front and rear downwardly extending arm rest support tubes are received in correspondingly positioned front and rear vertical receiving tubes on the side of a wheelchair. A pin is arranged to project into registered openings in the front telescoping tubes... | 12/25/1984 |
| 4489980 | Adjustable arm rest trigger handle Front and rear downwardly extending arm rest support tubes are received in correspondingly positioned front and rear vertical receiving tubes on the side of a wheelchair. An integral S-shaped rod has an upper horizontal extending portion arranged to proje... | 12/25/1984 |
| 4489256 | Primary and secondary dynamic braking system A dynamic braking system is provided for electrically driven wheelchairs to slow the wheelchairs to a stop without needing to use a mechanical brake. A primary switch arrangement is provided for connecting resistors across the right and left wheelchair mo... | 12/18/1984 |
| 4480536 | Broccoli bunching and cutting apparatus The broccoli bunching apparatus is wholly pneumatically operated. In response to a first operation on a manual pneumatic control switch, a rubber band is pneumatically expanded in front of a central opening in a housing. Broccoli stems can then be inserte... | 11/06/1984 |
| 4467478 | Human ligament replacement The ligament replacement is obtained by taking a tendon from an animal of appropriate size to function as the substitute for the particular human ligament to be replaced. This tendon is cut to an appropriate length and immersed in a fixing solution such a... | 08/28/1984 |
| 4457963 | Honeycomb manufacturing method and product When conventional honeycomb structures are formed into cylinders, the inner wall made up of the inner edges of the individual honeycombs is circumferentially compressed and the outer wall made up of the outer edges of the honeycombs is circumferentially s... | 07/03/1984 |
| 4450749 | Method and apparatus for recording and reproducing pedalling effects in a piano performance A grand piano or a vertical piano is equipped with a proportional sensor and a proportional actuator, both connected to the damper lifter tray (in a grand piano) or damper actuator bar (in a vertical piano). During a piano performance the instantaneous po... | 05/29/1984 |
| 4451144 | Automatic loader for microfiche duplicators The automatic loader successively transfers individual microfiche from a stack of master microfiche in a hopper to an exposure station in a microfiche duplicator. The duplicator makes a copy of the master microfiche on film carried in the duplicator. The ... | 05/29/1984 |
| 4449426 | Laminated separator plate means for recalibrating automatic transmissions First, second and third plates make up a laminated separator plate structure for substitution in place of the normal separator plate provided between the valve body and the transmission case in an automatic transmission system. The center of the three pla... | 05/22/1984 |
| 4449249 | Televison programming information system Up to date television programming information along with a commercial is provided for a viewer of television independent of the viewer's television set. Such is accomplished by a radio either AM or FM which broadcasts first and second subcarrier signals c... | 05/15/1984 |
| 4446572 | Camouflaged nursing dress The nursing dress includes an outer dress portion covering the torso of a woman and having a given color and design. An under dress portion, in turn, covers the torso from the inside upper front margin of the outer dress portion and extends downwardly ove... | 05/08/1984 |
| 4442858 | Surge chamber A surge chamber has an outflow/inflow control fitting on its bottom so as to make maximum use of fluid in the chamber. The fitting itself includes a surge pipe section and outlet pipe section extending downwardly from the bottom of the chamber and having ... | 04/17/1984 |
| 4439983 | Inlet turbine powered exhaust extractor for internal combustion engines A four-cycle internal combustion engine is provided with apparatus comprising a turbine in the inlet air flow path and an extracting compressor in the exhaust gas path. Where the internal combustion engine is an automobile engine and is operating under no... | 04/03/1984 |
| 4438812 | Brush tool for wells A mandrel is provided for insertion in a well pipestring. First and second semi-cylindrical sections, in turn, are arranged to be brought together from opposite sides of the mandrel to surround the mandrel in coaxial relationship. Each of these semi-cylin... | 03/27/1984 |
| 4437549 | Suitcase A multiple compartment suitcase defining an interior region has parallel rectangular panels, an interior side wall defined by coextensive spaced apart sides normal to the panels, a rectangular base parallel to a rectangular top and normal to the base. Int... | 03/20/1984 |
| 4436320 | Chassis for invalid wheelchairs The chassis features left and right lateral frames rotatably supporting at their front and rear ends front and rear wheels. The rear wheels are pivoted for steering. First and second connecting members arranged in a cross and lying in a horizontal plane e... | 03/13/1984 |
| 4429600 | Tamper-proof screw assembly A tamper-proof screw assembly is made up of three basic parts, two of which are coupled together. First, there is provided a screw having a flat head with a center tapped opening and an annular array of teeth formed in its surface surrounding the tapped o... | 02/07/1984 |
| 4428265 | Tape slitter axial loading system The axial loading system is used in a tape slitter comprised of first and second arbors in spaced parallel relationship carrying male and female cutting knives for slitting tape. These cutting knives are in the form of a series of uniformly axially spaced... | 01/31/1984 |
| 4425768 | Icing apparatus for pallet supported cartons The icing apparatus comprises an open frame structure for receiving cartons stacked in rows and columns on a pallet. These cartons contain perishable food such as broccoli brought in from the field and are to be treated with liquid ice to preserve their c... | 01/17/1984 |
| 4411381 | Honeycomb manufacturing method When conventional honeycomb structures are formed into cylinders, the inner wall made up of the inner edges of the individual honeycombs is circumferentially compressed and the outer wall made up of the outer edges of the honeycombs is circumferentially s... | 10/25/1983 |
| 4408407 | Panel sign The panel sign includes one post in the case of a "flag" type sign and two posts for a panel sign supported at opposite ends, together with a generally rectangular panel member. Each post constitutes an extruded member having an elongated vertical slot co... | 10/11/1983 |
| 4408429 | Plug for holes in walls A plug is used in repairing holes in walls made up of first and second dry wall panels on opposite sides of vertical studs. The plug itself comprises a first body member slidable along a shaft to which a second body member is held on one end. A spring nor... | 10/11/1983 |
| 4404697 | Remote control system for spas The normally provided recirculating pump, jet generating action blower and light in a spa are turned on and off by appropriate pump, jet and light signals. These signals are provided by a radio receiver in turn responsive to different transmitted signals.... | 09/20/1983 |
| 4403642 | Fabric supporting track assembly The assembly comprises first and second tracks of extruded polyvinyl chloride plastic which, when interfaced, become a hinged clamp. When snapped or clamped together, the tracks tighten and securely clamp fabrics of varying weights. By providing relativel... | 09/13/1983 |
| 4401107 | Intestinal control valve The control valve is arranged to surround the anal-terminating descending intestine of a patient for realizing continence; that is function as an artificial sphincter. The valve itself comprises a stationary ring and a lower rotatable ring in an axially a... | 08/30/1983 |
