...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7137473 | Four-wheel industrial truck with a swing axle A four-wheel industrial truck with a swing axle for the rear wheels, a drive, and a control device for said drive that generates an actuating signal for the drive in response to a transducer signal. A stop is provided on the bodywork of the industrial truck that coo... | 11/21/2006 |
| 7102245 | Integral generator/pinion assembly for axle power generation A vehicular axle assembly includes an electrical generator for generating electricity to supply power to one or more electrical components therein during operation. The axle assembly includes a hollow housing that rotatably supports a differential mechanism therein.... | 09/05/2006 |
| 7082350 | Robot system An autonomous wheeled mobile robot (1) comprising at least one wheel-driving motor, an on-board computer, means for navigation, orientation, and maneuvering in an environment with moving obstacles; a sensor system; and a wireless communication system for rece... | 07/25/2006 |
| 7027902 | Enhanced system for yaw stability control system to include roll stability control function A yaw stability control system (18) is enhanced to include roll stability control function for an automotive vehicle and includes a plurality of sensors (28–39) sensing the dynamic conditions of the vehicle. The sensors may include a speed sensor ( | 04/11/2006 |
| 7023330 | Transporter oscillating alarm A vehicle capable of an extraordinary mode of motorized motion programmed to draw the attention of an operator. When one or more sensors sense a condition requiring attention of the operator, a periodic acceleration is superposed upon the motion of the ground-contac... | 04/04/2006 |
| 6886654 | Device for increasing the security of a motor vehicle The invention relates to a device for increasing the security of a motor vehicle comprising an automatic transmission, which is impinged upon by an electrical transmission control system and a detection unit for detecting a critical driving situation and for generat... | 05/03/2005 |
| 6793034 | Wheel-end and center axle disconnects for an electric or HEV This invention is a method and system to disconnect drive wheels from the powertrain of any electric powered vehicle. A vehicle controller monitors input from, for example, an inertia switch and electric motor generator conditions and can disconnect the output shaft... | 09/21/2004 |
| 6651763 | Transporter oscillating alarm A vehicle capable of an extraordinary mode of motorized motion programmed to draw the attention of an operator. When one or more sensors sense a condition requiring attention of the operator, an oscillatory motion is superposed upon the motion of the grou... | 11/25/2003 |
| 5215156 | Electric vehicle with downhill electro-generating system A vehicle having an electro-generating system which includes a dynamoelectric generator. The shaft of the dynamoelectric generator is linked directly or indirectly with the rotating axle of the road wheels of the vehicle, preferably via a mechanical turns... | 06/01/1993 |
| 4519273 | Automatic transmission for vehicles An automatic vehicle transmission is operated simply by driver selection of a forward or backward switch, utilizing an electric and hydraulic control system to effect speed changes among the various forward speeds, neutral and park. Also, during a shift, ... | 05/28/1985 |
| 4221530 | Force-moment compensating apparatus A force-moment compensating apparatus, particularly adapted for use with load handling apparatus, including stabilizing means, sensing means for sensing a change in value of a force-moment acting on the apparatus, and actuator means responsive to the sens... | 09/09/1980 |
| 4166513 | Safety-brake control system for vehicles A safety-brake control system for a vehicle for the automatic actuation of the parking-brake valve to the brake-applied position comprising a lever arm connected at one end to the actuator of the valve and at the other end to a flexible connector element ... | 09/04/1979 |