Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7166809 | Lockdown device for immobilizing a loadcell during transport This invention relates to a weighing module comprising a weighing cell incorporating strain gauges disposed between a lower platform connected to a body of the module and an upper platform connected to a weighing deck and immobilization means for immobilizing the we... | 01/23/2007 |
| 7141746 | Device for determining on board weight of tractor-trailers and method A device and method for determining the weight carried at the axles of a tractor-trailer. The invention measures the distance that the tractor-trailer's suspension system is compressed by a load at each axle to determine the weight of the load at a tractor-trailer a... | 11/28/2006 |
| 7072763 | Intelligent load distribution system A vehicle information system has a first load sensor for generating a first load signal based on a first vehicle load. A first position sensor generates a first position signal based on a position of a vehicle axle. A second position sensor generates a second positi... | 07/04/2006 |
| 7009118 | Vehicle load weighing system and load cells for such systems The present invention relates to a load cell operable with a vehicle having a chassis and a container carried by the chassis, with the load cell supported by the chassis and supporting the container for measuring the weight of the container and any load therein, and... | 03/07/2006 |
| 5895892 | Overload detection system A mechanical load indicator device continuously monitors the position of the frame of a vehicle relative to some point on the vehicle suspension. The load indicator device is calibrated to be triggered when a certain vehicle load limit is reached. When th... | 04/20/1999 |
| 5861581 | Equalizer hanger system for on-board weighing The equalizer hanger system includes a torque arm bracket which is secured to the vehicle frame and depends downwardly therefrom. The bracket includes means for receiving one end of a torque arm, the other end thereof being connected to an axle of the veh... | 01/19/1999 |
| 5773768 | Transport and on-board weighing device with a stabilizer thereof A transport, such as a truck, has an on-board weighing device, which has at least two weighing frames for supporting a load, such as a container and its content, to be weighed. Each weighing frame is suspend relative to a transport chassis either directly... | 06/30/1998 |
| 5393936 | On board weighing system for a vehicle An on-board weigh scale for a vehicle is disclosed. The weigh scale has a transport configuration wherein the weigh scale is substantially protected from damage during transport, and a weighing configuration wherein the weigh scale is in an operative cond... | 02/28/1995 |
| 4706768 | Onboard truck scale Apparatus for mounting between the bed and axle of a truck, or the like, to indicate the weight being carried by the truck as a function of the compression of the suspension system. A sensing member containing a load cell is mounted to the frame of the ba... | 11/17/1987 |
| 4606419 | Truck mounted load scale An air/hydraulic scale for use on a truck or trailer and having frame mounted hydraulic cylinders with piston rods contactible with a vehicle axle. Fluid expelled from the cylinders actuates a load indicating displacement cylinder located adjacent the loa... | 08/19/1986 |
| 4589507 | On board scale devices An on board scale device is provided, which can be used in conjunction with a truck, trailer or other structure, in which it is desired to obtain the weights of various items of freight placed in the structure, and includes one or more retractible pneumat... | 05/20/1986 |
| 4219088 | Load indicator A weight load indicator for registering the weight of a load as it is applied to a truck, the truck includes a frame and a wheel suspension connected to the frame. The load indicator device comprises a housing having a piston rod chamber fixed to the fram... | 08/26/1980 |