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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 5816358 | Electric vehicle with circuit breakers An electrically powered vehicle including an electric motor connected to drive a wheel of the vehicle. The electric motor receives a supply of electric current from a power source; a power electronics device and superordinated controller regulate the curr... | 10/06/1998 |
| 5818121 | On-board wiring system for vehicles In an on-board wiring system for vehicles has a battery line for connecting a generator with an energy accumulator and a disconnection switch, actuated as a result of an accident, arranged therein. Additional consuming devices are connected to the energy ... | 10/06/1998 |
| 5793121 | Low resistance current interrupter A low resistance current interrupter for detecting the occurrence of an unsafe condition and terminating power to an electrical circuit. The current interrupter comprises two in-line connectors having a gap formed therebetween. An electrically conductive ... | 08/11/1998 |
| 5706910 | Power source switching system for electric motor vehicles A power source switching system for electric motor vehicles comprises a plurality of secondary cell units as a power source, one or more discriminating sensors for detecting vehicle information, a control device for accepting a signal from the sensors and... | 01/13/1998 |
| 5703450 | Safety guard for pedestrian-operated machines having rotatable blades A safety guard for a pedestrian-operated or riding machine having rotatable blades and incorporating a strip switch for disabling the motor of the machine upon sensing the presence of an operator's body part or other foreign object in contact with a side ... | 12/30/1997 |
| 5621197 | Device for interrupting the flow of current in the positive or impregnated vehicle battery cable A device for disconnecting the flow of current in the positive or impregnated battery cable of a motor vehicle has an electrically conductive plug-in connection that can be placed in the positive or impregnated battery cable in the form of a housing and a... | 04/15/1997 |
| 5577569 | Vehicle safety device A vehicle safety device designed to reliably prevent uncontrolled travel or runaway of a vehicle when a collision accident occurs. A breaker is connected in a current path between a battery and a controller. In a processing section of a distance measuring... | 11/26/1996 |
| 5574316 | Vehicle battery disabling apparatus A vehicle battery disabling apparatus for disconnecting a battery of a vehicle including a solenoid having a retracted orientation when electrically energized and an extended orientation when de-energized; a first switch mechanism coupleable between an el... | 11/12/1996 |
| 5572109 | Charging batteries of electric vehicles An electric vehicle having a computer for controlling the charging of its battery includes a probe adapted to connect with a receptacle on a charging station which has a computer for controlling the charging voltage provided over the connection to the veh... | 11/05/1996 |
| 5535842 | Safety arrangement for collision-related disconnection of an electrical energy source from a motor vehicle supply circuit A safety arrangement for motor vehicles includes a cable separator responsive to a collision sensor for disconnecting an electrical energy source from a power supply circuit for the vehicle. One form of cable separator includes a knife and a source of pro... | 07/16/1996 |
| 5503059 | Vehicle disabling device and method A vehicle disabling device is positioned under a vehicle desired to be stopped, sends a capacitive discharge therethrough, and disables at least one electric system of the vehicle.... | 04/02/1996 |
| 5462439 | Charging batteries of electric vehicles An electric vehicle having a computer for controlling the charging of its battery includes a probe adapted to connect with a receptacle on a charging station which has a computer for controlling the charging voltage provided over the connection to the veh... | 10/31/1995 |
| 5451077 | Automotive vehicle with safety bumper and two-piece frame The vehicle frame has a rear section carrying the engine and passenger bearing cab, and a front section carrying a resiliently mounted bumper. The two frame sections have confronting, overlapping end portions connected together for pivotal movement relati... | 09/19/1995 |
| 5335951 | Shock-absorbing safety device for self-propelled trucks and the like The shock-absorbing safety device has lateral protection elements which extend along the sides of a truck. Actuation devices move the lateral protection elements transversely with respect to the truck between a loading position, in which the lateral prote... | 08/09/1994 |
| 5327990 | Integral automatic system for protection and rescue of occupants in crashed automobiles An integral automatic system for the protection and rescue of occupants in crashed automobiles comprising an aggregate of mechanical and electrical elements connected to an electronic central control unit, incorporated within the vehicle. The control unit... | 07/12/1994 |
| 5322033 | Mechanism for indicating when to change engine oil A mechanism for measuring the running time of an internal combustion engine includes a numerical display of the engine running hours, such that the owner of the engine can better determine the appropriate time for changing the engine lubrication oil. A ch... | 06/21/1994 |
| 5230543 | Safety bumper for an automatic guided vehicle A band-like safety bumper for an automatic guided vehicle has a hinge pin rigidly attached at either end with a lever rigidly attached to the pin. A proximity switch is located near the lever and sends control signals to stop the vehicle as a result of ob... | 07/27/1993 |
| 5153558 | Vehicle security system with battery tampering detection A vehicle anti-theft system is equipped with a circuit to produce a pulse signal when a disconnected vehicle battery is reconnected, and a normally asleep microcomputer based controller is programmed to wake up upon receipt of the pulse signal or another ... | 10/06/1992 |
| 5048637 | Bumper system for automatic guided vehicles A bumper system for use on automatic guided vehicles includes a bumper, a pair of double-action, spring biased hinges, and a pair of switches cooperating with the hinges. The bumper is an arcuate, resilient strip which extends across the entire forward po... | 09/17/1991 |
| 5036935 | Travel control device for unmanned vehicle A travel control device for an unmanned vehicle automatically travelling along a predetermined travel path. The travel control device comprises non-contact type and contact type obstacle sensors for detecting an obstacle in front of the unmanned vehicle, ... | 08/06/1991 |
| 5012886 | Self-guided mobile unit and cleaning apparatus such as a vacuum cleaner comprising such a unit A mobile cleaning apparatus device automatically follows guides such as walls or other obstacles, by engaging the guides with a detector element and controlling the steering of the apparatus in response to the level of forces sensed by the detector.... | 05/07/1991 |
| 5003190 | Acceleration pickup, especially for release of occupant protecting devices in the event of accident An acceleration pickup, especially for release of occupant protecting devices in power vehicles in the event of an accident comprises a housing, a spring element, a seismic mass cooperating with the spring element, a movable contact, and a magnetic system... | 03/26/1991 |
| 4967862 | Tether-guided vehicle and method of controlling same A tether-guided vehicle and method of controlling same. A tether sensor indicates the angle, θ, of the tether with respect to the vehicle and the tension, T, on the tether. A contact-sensitive bumper disposed about at least the front periphery of the veh... | 11/06/1990 |
| 4688656 | Safety device A safety device attachable to a motor vehicle for preventing the motor vehicle from running over an object, the device including a plate assembly, a safety bar assembly slidably connected to the plate assembly, a first mechanism for raising and lowering t... | 08/25/1987 |
| 4635982 | Collision protection device for industrial vehicles, especially industrial trucks The collision protection device comprises a collision protector held in a rest position by spring force. Upon collision against an obstacle, the collision protector is displaced against the spring force and thus cooperates with a de-energizing device. Thi... | 01/13/1987 |
| 4629020 | Steerable device for moving trailer type vehicles A steerable device for moving trailer type vehicles, for example in working and parking areas. The device includes an engine for driving at least one of the wheels, means for connecting the device to that part of a trailer type vehicle normally connected ... | 12/16/1986 |
| 4546840 | Travelling vehicle equipped with obstacle detector sensors A travelling vehicle equipped with obstacle detector sensors having, at the front of the vehicle body (1), a noncontact-type obstacle detector sensor (A) and a contact-type obstacle detector sensor (B), and a vehicle speed control device (20) adapted to a... | 10/15/1985 |
| 4519474 | Safety beading With this safety beading or ledge the drive of, for example, a driverless transport vehicle can be switched-off on collision with an obstacle, and can be switched-on again after removal of the obstacle. The safety beading or ledge mounted along a shock-ab... | 05/28/1985 |
| 4308438 | Safety cut-out for motor vehicles A rocker having a ball-and-socket mounting, hence movable in any direction, is normally held in a fixed position by the conical tip of a catch assembly which is pressed by a spring against the head of the rocker. In the event of a concussion, the rocker p... | 12/29/1981 |
| 4288121 | Transport car, particularly for transporting files, with frontally arranged bumper In an exemplary embodiment, a bumper with a handle contour is supported on a rotatably mounted lever which is arranged to actuate a switch in response to deflection of the bumper. This lever is coupled with an angle lever via a catch and the angle lever i... | 09/08/1981 |
| 4245715 | Automatic drive prevention An automatic drive prevention mechanism for an automated vehicle. The mechanism includes a switch frame having a rectangular periphery pivotally mounted on the automated vehicle and a switch mechanism, including a switch, coupled between the switch frame ... | 01/20/1981 |
| 4194588 | Motor vehicle fire prevention device A fire prevention device for motor vehicles, having internal combustion engines, including a hollow cylinder containing two electrically conducting expansible coils separated by a shatterable sheet of material, electrical leads from the two coils one to g... | 03/25/1980 |
| 4058182 | Electrically driven vehicle, especially passenger motor vehicle An electrically driven vehicle, especially a passenger motor vehicle with an electric power source taken along in the vehicle which is arranged in the area of the vehicle floor and is connected therewith by way of mounting supports, whereby the latter are... | 11/15/1977 |
| 4039040 | Storage assemblies A storage assembly in which a row of storage units, such as racks, are movable between fixed limits along the length of the row in either of two opposite directions so that a gangway can be provided between the sides of any two adjacent units, and in whic... | 08/02/1977 |
| 4020918 | Manually operable automatically controlled vehicle with power steering An automatically controlled manually steerable vehicle has power steering in both manual and automatic control modes. A torque sensing means for the coupling between the steering handle and the steerable wheel uses a flexible coupling and a photocell dete... | 05/03/1977 |
| 4000408 | Vehicular electrical safety apparatus This disclosure pertains to apparatus mounted to the frame of a vehicle, sensitive to impacts exceeding a predetermined level. The impact device disables a main control relay which feeds all of the electrical circuitry of the vehicle. Turning the ignition... | 12/28/1976 |
| 3935559 | Transporter systems According to the invention, a car, for a transporter system, is provided, as means for detecting the close proximity of another car, with a device operated alternately as a signal transmitter and as a receiver and a plurality of plates at sides of the car... | 01/27/1976 |
