Celebrity Inventors
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 |
| 6125767 | Railway truck sideframe with reinforced columns The present invention provides a sideframe for use in a traditional three piece railway freight car truck comprising a pair of laterally spaced sideframes supporting a bolster extending between the sideframes. Each sideframe comprises an elongated top com... | 10/03/2000 |
| 5832838 | Frame brace universal mounting bracket assembly A rail car truck side frame for use in a frame brace truck which has stabilizing cross braces extending between the side frames. The side frame has a top compression member and a bottom tension member which are joined by upwardly and outwardly slanted end... | 11/10/1998 |
| 4870914 | Diagonally braced railway truck A diagonally braced railway truck comprising a pair of longitudinal side frames, a bolster extending therebetween and cast support brackets extending downwardly from lower tension members of the side frames and the pedestal jaws. The support brackets have... | 10/03/1989 |
| 4813359 | Single axle railroad truck with frame improvements A railroad single axle truck having a pair of wheels with one wheel at each end of the axle, the truck including a frame having a pair of longitudinal spaced apart parallel horizontal side tubes of substantially equal length, the frame also including a pa... | 03/21/1989 |
| 4351242 | Railway car truck side frame A railway car truck side frame is formed of compression and tension members and double shear webs joined together by welding so as to form a box-beam wherein the welds joining the main structural units are so disposed as to be stressed in shear rather tha... | 09/28/1982 |
| 4338865 | Railway truck adaptable to receive a common primary suspension and variable journal bearings A basic truck for a railway car includes a pair of side frames connected by suitable transverse disposed members. Standard structural members for holding different types of suspension and journal bearings of the car are provided and are secured to the end... | 07/13/1982 |
| 4161913 | Railway truck frames A rigid type truck or bogie frame in which the cross-member or bolster is secured at its end portions to a laterally extending central portion of each side member includes a cylindrical portion registering with the main body of the cross-member or bolster... | 07/24/1979 |
| 4133268 | Railway bogie-trucks and method of manufacturing same An improved railway stock railway rolling stock bogie truck includes a cross beam and a pair of spaced longitudinal side members with an asymmetrical cross-sectional configuration with the cross beam in alignment both with the bearing support and the side... | 01/09/1979 |
| 3961584 | Railway car truck A truck is provided with a torsionally compliant transverse member connecting to transversely spaced side frames. The side frames are suspended on the axles by a spring suspension system of generally cylindrical elastomer elements and a combined damping s... | 06/08/1976 |
| 3939779 | Railway truck assembly A railway truck assembly including a central hollow beam extending transversely of the assembly and adapted for supporting a railroad car. Four wheel units are attached to the central beam with two of the wheels being aligned adjacent one end of the beam ... | 02/24/1976 |
