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 |
| 4309846 | Mobile machine for removing surface irregularities from rail heads A mobile machine for removing surface irregularities from the faces of rail heads comprises a machine frame, at least one pair of tool carriers transversely aligned with respect to the track and a respective one of the tool carriers being associated with ... | 01/12/1982 |
| 4295764 | Mobile machine for removing surface irregularities from rail heads A mobile machine mounted on a track for advancement therealong for removing irregularities from the surfaces of the rail heads comprises a machine frame, a tool carrier vertically adjustably mounted on the machine frame and arranged thereon for guidance a... | 10/20/1981 |
| 4294041 | Mobile machines for removing surface irregularities from rail heads A mobile machine mounted on a track for advancement therealong for removing irregularities from the surfaces of the rail heads comprises a machine frame, a tool carrier vertically adjustably mounted on the machine frame and arranged thereon for guidance a... | 10/13/1981 |
| 4249346 | Mobile rail grinding machine and method A mobile rail grinding machine comprises a machine frame mounted on the rails of a track for continuously moving in the direction of, and along, the track, a tool carrier frame vertically adjustably mounted on the machine frame, a rail grinding tool or a ... | 02/10/1981 |
| 4232610 | Mobile apparatus for laying railway track A mobile apparatus for laying railway track comprises a car running on the rails and a carrier frame with a track on which a power-driven trolley is mounted. The trolley includes a beam for carrying and laying an assembled section of the railway track inc... | 11/11/1980 |
| 4205494 | Rail grinding apparatus Vehicle-mounted rail grinding apparatus has circular rail grinding discs mounted on a massive platform that is supported by hydraulic pistons and cylinders located at or adjacent the centers of gravity of the platform and vehicle carriage. This permits un... | 06/03/1980 |
| 4189873 | Machine for truing the bearing surface of the rails of a railroad track A machine for truing the bearing surface of the rails of a railroad track which is movable over the rails to be trued comprising a frame on which is mounted a train of grinding elements to be driven one behind the other over and along the rails tangential... | 02/26/1980 |
| 4178724 | Rail grinding system In a preferred embodiment this improved mobile rail grinding system comprises propulsion and power source means, a plurality of rail grinding cars coupled thereto and a water car. Each rail grinding car comprises a carrier having a support frame for a hou... | 12/18/1979 |
| 4175897 | Apparatus for removing flash from resistance butt-weld joints in rails The base of the apparatus has the form of a claw clamp with two grips for gripping a rail that are kinematically linked with a clamping cylinder. The apparatus incorporates an upper cutter and side cutters, mounted so that, with the claw clamp closed, the... | 11/27/1979 |
| 4156991 | Rail cutting apparatus A rail cutting apparatus mountable on a rail and having a linkage structure with an offset arm connected to one end of the linkage, a cutting device having a mounting bar with a mounting element lying in a plane containing the cutting element of the cutti... | 06/05/1979 |
| 4135332 | Rail grinding machine A mobile rail grinding machine for grinding the running surface of the rails of a track comprises a grinding module mounted for power-driven vertical movement on a machine frame which runs on undercarriages on the track rails. The undercarriages have flan... | 01/23/1979 |
| 4115857 | Process and apparatus for on-track truing of the heads of rails of a railway A process and apparatus for on-track truing of the surface of the head of rails of a railway wherein a predetermined number of truing tools, oriented along tangents to the profile of the head, are moved along generatrices of the surface and wherein the va... | 09/19/1978 |
| 4091578 | Process and apparatus for truing the head of rails of a railway A process and apparatus for on-track truing of the surfaces of the head of a rail in which a predetermined number of grinding tools are positioned with respect to the rail to operate along a tangent to the profile of the head of the rail, the tools being ... | 05/30/1978 |
| 4074468 | Apparatus for the continuous on-track truing of railway rails Apparatus for the continuous on-track truing of railway rails comprising a plurality of rail following elements at least some of which are adapted to abrade or grind a rail. The elements are divided into at least two independently movable groups and such ... | 02/21/1978 |
| 4068415 | Rail cutting apparatus A rail cutting apparatus including a base adapted to be disposed on the head of a rail. Opposed, inwardly directed fingers are located on the base for disposition about the head of the rail and the fingers on at least one side of the base are movable towa... | 01/17/1978 |
| 4050196 | Rail grinding machine A mobile rail grinding machine for grinding the running surface and inside of the railhead of the track rails comprises a forward, an intermediate and a rear grinding module spacedly arranged in an operating direction. The forward and rear modules each in... | 09/27/1977 |
| 4033074 | Portable rail saw A hand carried portable rail saw assembly includes a saw having a rotatable blade, a clamp adapted to attach to a rail to be cut and an axial locater adjustably mounted on the clamp and supporting the saw. The saw is pivotally attached to the axial locate... | 07/05/1977 |
| 4020599 | Abrading arrangement for a railway track A series of abrading contact elements for truing the bearing surface of a railway track, in which the abrading elements are moved one behind the other tangentially of the bearing surface of the rail to be abraded or ground. The elements are arranged in th... | 05/03/1977 |
| 3974597 | Rail base grinding method A rail base grinding apparatus comprises a self-powered vehicle adapted for movement along a trackway to the location of a welded joint formed between two rails in the trackway. A pantograph linkage extends from one side of the vehicle and supports a lead... | 08/17/1976 |
| 3974596 | Machine tool for cutting-off rails A machine-tool for cutting off rails comprising a motor block, an arm carrying a grinding wheel at its end and a machine-tool carrying holder to be secured onto the rail, said holder comprising two hingedly interconnected arms and pivoted with their free ... | 08/17/1976 |
| 3974594 | Elevator tee deburring device Apparatus is disclosed that is operative to grind burrs from the ends of rails that have been saw cut to length. A manually positionable crosshead carries three grinding wheels, two of which are oppositely spaced and spring biased into engagement with opp... | 08/17/1976 |
| 3945152 | Rail head re-form grinding machine A rail head re-form grinding machine is provided with an annular grinding wheel whose lower flat face is adapted to engage and grind the rail head. A circular feeler device fits within the annular grinding wheel and is also engaged by the rail head. The f... | 03/23/1976 |