Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8167057 | Intrusion resistant apparatus and method An intrusion-resistant apparatus may include a magnetic memory array disposed with an enclosure. The magnetic memory may include a plurality of magnetic memory elements, each adapted to store a binary value only in the presence of a predetermined bias magnetic field... | 05/01/2012 |
| 6889777 | Implement for driving posts A post driving implement for use with a vehicle, such as a tractor or a skid loader, is disclosed. The post driving implement is comprised of a hammer, a hammer channel, and a hammer cylinder. The hammer travels longitudinally within the hammer channel and is lifted... | 05/10/2005 |
| 5551519 | Device for driving piles, preferably poles, into a foundation Device for driving piles, preferably poles, into a foundation. The device for ramming pole foundations limits idle times between ramming operations and takes the form of a self-propelled rail-road or dual purpose vehicle that can be driven on rails laid o... | 09/03/1996 |
| 5310011 | Vertical drilling boom A vertical drilling boom for a rock drilling equipment includes a vertical boom (2) mounted at its lower end turnably about a horizontal shaft (6) with respect to a carrier (1) of the rock drilling equipment. The vertical boom (2) comprises two boom porti... | 05/10/1994 |
| 4877091 | Augering apparatus and drilling rig A downcrowdable telescopic augering apparatus and drilling rig is disclosed that has a low overhead requirement and yet can drill large diameter holes ot great depths. The invention is especially useful for drilling foundation holes. One embodiment of the... | 10/31/1989 |
| 4645084 | Robot arm A portable light weight robot arm assembly similating shoulder, elbow, and wrist movements of a human arm, plus extensions of the upper arm and forearm, accurately positions and holds a power tool for performing driving, drilling, chipping, lifting and th... | 02/24/1987 |
| 4634311 | Pavement breaking apparatus An apparatus for impacting on a hard surface such as concrete so as to break up the hard surface. This apparatus comprises a frame having a bed and an upstanding rail assembly projecting from the bed, a drive shoe, a hammer means attached to the rail asse... | 01/06/1987 |
| 4591128 | Tool reaction balancing mechanism A tool reaction balancing mechanism consisting of a fluid-pressure reaction and balancing system and an articulated arm wherein the arm is suspended from dual overhead rails by a travelling bridge. The novel articulated arm has two pivotally connected arm... | 05/27/1986 |
| 4499953 | Apparatus for drilling rock A rock drilling machine is swingably carried on a pivotable drill boom. The rock drilling machine is fed along a drilling axis in response to a feeding movement applied by the drill boom. A set angle value is fed to a servo control system. During drilling... | 02/19/1985 |
| 4498544 | Method for rock drilling A rock drilling machine is swingably carried on a pivotable drill boom. The rock drilling machine is fed along a drilling axis in response to a feeding movement applied by the drill boom. A set angle value is fed to a servo control system. During drilling... | 02/12/1985 |
| 4290491 | Rock drill positioning mechanism A rotary actuator is pivotally mounted on the end of a drill boom and supports a rock drill feed bar for rotation about a longitudinal axis of the actuator. The rotary actuator includes a piston with a piston rod portion having external and internal helic... | 09/22/1981 |
| 4267892 | Positioning control system for rock drill support apparatus In a pivotally mounted rock drill boom and feed bar apparatus the boom and the feed bar positioner include angle sensors comprising cam actuated fluid pressure regulating valves. The pressure regulating valves are disposed in a control circuit which inclu... | 05/19/1981 |
| 4130168 | Downcrowding boom assembly A self-contained, portable, extensible boom assembly for detachable mounting on a vehicle such as on the open top box body of a truck has power driven boom actuating mechanism and downcrowding storage mechanism activated by said power driven mechanism for... | 12/19/1978 |
| 4022410 | Universal coupling A mobile vehicle is disclosed having a boom pivotally mounted thereon for slewing about a vertical axis and a work head attached to the free end of the boom by a universal mounting. The universal mounting consists of a first housing having a base attached... | 05/10/1977 |
