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 |
| 5897429 | Injection molding seat lapping device A lapping device for lapping an injection molding cylinder seat is provided having a housing that supports a gear system. A drive shaft having a lapping disk secured to one end thereof is mounted for rotation within the housing offset from the central axi... | 04/27/1999 |
| 5882250 | Valve refacing tool A valve refacing tool comprising a hollow cylindrical column. The column has an upper end and a lower end and has a central bore throughout its entire length. The column has exterior threads at its upper end and an outwardly flared cylindrical support at ... | 03/16/1999 |
| 5800253 | Disc streak pattern forming method and apparatus A disc streak pattern forming method and apparatus are provided which are capable of not only forming fine streak patterns on a disc in a single step, but also arbitrarily adjusting an angle of intersection of streak patterns in a precise manner to thereb... | 09/01/1998 |
| 5690542 | Disc streak pattern forming method and apparatus A disc streak pattern forming method and apparatus are provided which are capable of not only forming fine streak patterns on a disc in a single step, but also arbitrarily adjusting an angle of intersection of streak patterns in a precise manner to thereb... | 11/25/1997 |
| 5259144 | Planetary-type lapping device for finish-grinding the valve seat of a safety relief valve A planetary-type lapping device is used to finish-grind the surface of the valve seat of a safety relief valve and includes a gear housing which confines a gear receiving space. The gear housing has a top end with a rotatable axial shaft which extends upw... | 11/09/1993 |
| 5022192 | Conduit grinding apparatus A grinding apparatus for grinding the interior portion of a valve stem receiving area of a valve. The apparatus comprises a faceplate, a plurality of cams mounted to an interior face of the faceplate, a locking bolt to lock the faceplate at a predetermine... | 06/11/1991 |
| 5001871 | Machine for precision machining, with a rod for the determination of the practical mean axis of a hole of cylindrical general contour Machine for precision machining, with a rod for the determination of the ctical mean axis of a hole of cylindrical general contour. The present invention relates to a machine for precision machining, in particular for the grinding of valve seatings of he... | 03/26/1991 |
| 4923343 | Machine tool A machine tool (10,100) particularly a portable machine tool for use in machining or operating on surfaces remote from the drive of the machine tool comprises a base (34,102) attached to a work piece (14,114), a carriage (36,128), tool support means (14,1... | 05/08/1990 |
| 4691480 | Valve seat grinding apparatus Valve seat grinding apparatus having a rotatable drive wheel of disk shape, a plurality of independently rotatable satellite wheels carried about the drive wheel with the respective radial planes of satellite wheels being disposed at a selected included a... | 09/08/1987 |
| 4662123 | Grinder apparatus Grinder apparatus, especially for simultaneously grinding two axially-aligned, but radially and longitudinally spaced annular valve seat surfaces, that includes a rotatable shaft, a plate, rotating on the same axis of rotation as the rotatable shaft, disp... | 05/05/1987 |
| 4549373 | Apparatus for grinding and lapping annular sealing faces In an apparatus for grinding and lapping annular sealing faces (25) in valves, slides and the like, a driven tool plate (4) carries freely rotable grinding and lapping heads (21) of which the axes are parallel to the rotary axis of the tool plate (4). In ... | 10/29/1985 |
| 4464867 | Radially adjustable lap Disclosed is a convex lap comprising a plurality of polishing elements which are radially adjustable to ensure that the effective radius of the polishing surface remains constant as the polishing elements are worn down. A means is provided to radially set... | 08/14/1984 |
| 4388782 | Handhole seat resurfacing tool for naval pressure fired boilers A grinder for preparing circular seats behind elliptical handholes of mar boilers. An air motor, mounted within an expandable housing, drives a grinding wheel against the inside surface of the handhole. The housing is expanded to be secured in the ellipt... | 06/21/1983 |
| 4106880 | Portable field machine for cutting, grinding and lapping valve seats A portable field machine for cutting, grinding and lapping the valve seat of a valve body having a valve disc axially translatable in a cylindrical valve chamber with respect to the seat includes a pair of axially spaced spiders having radially extendable... | 08/15/1978 |
| 4050836 | Portable field machine for cutting, grinding and lapping valve seats A portable field machine for cutting, grinding and lapping the valve seat of a valve body having a valve disc axially translatable in a cylindrical valve chamber with respect to the seat includes a pair of axially spaced spiders having radially extendable... | 09/27/1977 |
