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 |
| 8182314 | Automated edged lens deblocking system A lens deblocking system (1) used for removing a lens (51) from an edging block (22). The system (1) includes opposed movable arms (4, 5) that are constrained to travel longitudinally within an aperture (3) so as to grip a l... | 05/22/2012 |
| 8098064 | Speed filter calibration apparatus and method for radio frequency metal detectors A metal detector (40) used for identifying contaminants in products (23) introduced into the metal detector by a conveyor. The detector (40) includes coils (1), a search head (2) and an analog to digital converter (3) that g... | 01/17/2012 |
| 8066132 | Water bottle system for use in a dental operatory A water bottle adapter (6) fits securely onto a water bottle (1) which is used to isolate the water within the bottle from a common water supply. The adapter (6) is fastened to a mating device by means of a threaded neck (7). The neck ( | 11/29/2011 |
| 7450686 | Contaminant detector for food inspection A contaminant detection machine (1) including a conveyor (3) which causes an object under inspection (79) to pass through a plane (48) of emitted x-ray radiation. The plane is generated by an x-ray tube (55) that emits a lateral be... | 11/11/2008 |
| D551303 | Game board | 09/18/2007 |
| 7198486 | Rotary dental file having a safe breakage point An endodontic file (6) including a discontinuity (18) formed within the file shank (7). The discontinuity (18) creates a safe breakage point at which the file (6) will fail prior to a failure occurring at any other point along the ... | 04/03/2007 |
| 7142680 | Multiple waveguide coaxial ceiling loudspeaker A flush mountable ceiling speaker (10) with individual coaxial waveguides (20, 22) for both the lower and high-frequency transducers (11, 12). The lower frequency radiation is combined with the sonic energy radiated by the high-frequency transdu... | 11/28/2006 |
| 7044738 | Symmetrical rubber dam having a tooth gripping orifice A rubber dam (1) used for protecting a patient (2) during dental procedures. The dam (1) includes a symmetrical round frame (3) which supports a flexible membrane (11). A prepunched hole (19) located approximately 0.5 inch f... | 05/16/2006 |
| 7025799 | Carburetor air flow structure Air flow from the airbox (57) to the carburetor of an internal combustion engine is regulated by a plurality of valve bodies (66) fitted with rotatable lids (77) which permit infinite adjustment of air flow between a fully closed and fully open ... | 04/11/2006 |
| 6267228 | Conveyor belt tracking and tensioning system A device to permit manual adjustment of the track or path of a conveyor belt (1) while providing constant, predetermined belt tension. A removable conveyor roller (23) is supported by a pivotable yoke (11), which is pivoted about a shaft (12) from a nonop... | 07/31/2001 |
| 6146295 | Encapsulated roller for helical bearing surfaces A variable speed belt drive bearing assembly including an enclosed helical ramp assembly or torque sensing helix (4) which is mounted on the driven or secondary clutch (20). The helix (4) includes a plurality of ramps (10) that include both an upper beari... | 11/14/2000 |
| 6082711 | Carburetor throttle valve flow optimizer An aerodynamic piece (48) for use with a carburetor having a barrel or round slide throttle valve (10). The piece (48) is formed as an Insert which abuts the undersurface (15) of the slide (10). The piece (48) has an inclined bottom surface (28, 31, 32), ... | 07/04/2000 |
| 5994897 | Frequency optimizing metal detector A metal detector (10) which uses a metallic test sphere (5) to pass with the product through the detector head (2) at periodic intervals. The frequency generator (21) which generates the signal sent to the oscillator coil (11) is capable of operating on n... | 11/30/1999 |
| 5942159 | Carburetor throttle valve flow optimizer An aerodynamic piece (48) for use with a carburetor having a barrel or round slide throttle valve (10). The piece (48) is formed as an insert which abuts the undersurface (15) of the slide (10). The piece (48) has an inclined bottom surface (28, 31, 32), ... | 08/24/1999 |
| 5901541 | Corn stover collection apparatus A windrower (1) useful for collecting stalk material from a field (43) and depositing the material In a windrow (61). The collection of dust and debris in the windrow is minimized by the use of a screen (24) located above the auger (29) which transports t... | 05/11/1999 |
| 5896031 | Quad coil vibration cancelling metal detector A metal detector (1) having an oscillator coil (10) which radiates an electromagnetic field in the vicinity of an article to be tested. The field is detected by a primary set of receiver coils (15) which are in close proximity to the oscillator coil (10),... | 04/20/1999 |
| 5850656 | Highway debris entrainment and storage device A refuse collection device (1) including a collector roller (11) and an inclined conveyor (27) which deposits collected debris into a hopper (127) along arcuate paths (128, 129), thereby filling the hopper (127) initially in the region adjacent to its rea... | 12/22/1998 |
| 5803172 | Mine shaft and adit closure apparatus and method A mine shaft closure plug which is created by a self-expanding plastic foam on a platform positioned within the mine shaft. Multiple expansion foam containers are used to provide the foam. Each expansion foam container has two closed waterproof pouches, a... | 09/08/1998 |
| 5787952 | Disappearing Screen An integrated window screen system including a roller screen assembly which provides for out of view storage of the screen material (22). The screen material (22) is attached to the sash (10) of a double hung or similar window. The opposite edge of the sc... | 08/04/1998 |
| 5787823 | Reduction of mercury in coal combustion gas system and method The present invention provides a system and method (1) for reducing the amount of air toxic elements, particularly mercury (16), in concentrations down to and including trace levels, from a flyash (2) laden combustion gas stream (4). The method includes a... | 08/04/1998 |
| 5745947 | Automatic debris retrieval system A debris collection vehicle (1) having an offset cab (12) adjacent to a conveyor belt (61) which transports collected debris to a hopper (59). Rows of resilient fingers (51) are mounted on a collector drum (36), the conveyor (61) and on curb brushes (22, ... | 05/05/1998 |
| 5697506 | Package holder for packaged foods A molded plastic holder (1, 130) for packets includes a substantially flat support panel (11, 132) which is designed to be mounted to any vertical surface. Molded as part of and integrally joined to the support panel (11, 132) along a lower edge (3) is a ... | 12/16/1997 |
| 5698794 | Impact flowmeter for solids An impact flowmeter (10) for measuring a stream of free flowing bulk solids (60) having low mass flow rates. The flowmeter (10) includes a barrier (18) between the flowing stream of solids (60) and the sensor chamber (16). A primary sensing element (48) i... | 12/16/1997 |
| 5692982 | Adjustable flyweight for use in a variable speed belt drive A variable speed belt drive having adjustable mass and moment of inertia camweights is shown for use primarily in conjunction with snowmobile, golf cart, all terrain vehicle and small automobile engines. In one version, the camweight includes a series of ... | 12/02/1997 |
| 5691640 | Forced balance metal detector Metal detector (1) including an oscillator (10) generates an RF field in the vicinity of the head (2). Two reference signals (13, 14) are generated, one signal (14) being in phase with the oscillator (10) and the other signal (13) being shifted from the o... | 11/25/1997 |
| 5665814 | Low cost, blush-resistant silane/silica sol copolymer hardcoat for optical clear plastics An improved silane/silica sol copolymer hardcoating composition for protecting optical plastic substrates from scratching is able to be manufactured at lower costs and to provide much-improved ease of use in transportation, storage, dipbath stability, and... | 09/09/1997 |
| 5642921 | Adjustable height stud for use in a snowmobile track A snowmobile stud (12) having a tip (18) which permits adjustment of the degree of protrusion of the tip beyond the bottom surface (10) of the track (1). The stud (12) can be installed with the aid of a nut (20) placed within an oversized bore (19). Alter... | 07/01/1997 |
| 5642788 | Dismount braking device for a snowmobile A dismount brake device (1) is tethered by a cable (4) to a snowmobile rider (3). Pulling on the cable (4) displaces a trigger (17) which frees a piston (34). The piston (34) is biased by a main spring (39) to decrease the volume of a chamber (11) contain... | 07/01/1997 |
| 5640835 | Multiple envelope with integrally formed and printed contents and return envelope A gusseted envelope or box making apparatus and method including the use of a tractor feed unit (11) which perforates the web stock (5) prior to a subsequent printing step capable of printing on either side of the web (5). At least one thermal print head ... | 06/24/1997 |
| 5577286 | Highway debris entrainment and storage device A refuse collection device (1) including a collector roller (11) and an inclined conveyor (27) which deposits collected debris into a hopper (127) along arcuate paths (128, 129), thereby filling the hopper (127) initially in the region adjacent to its rea... | 11/26/1996 |
| 5562555 | Adjustable flyweights for variable speed belt drive A variable speed belt drive (1) having adjustable mass and moment of inertia camweights (40, 56) is shown for use primarily in conjunction with snowmobile, golf cart, all terrain vehicle and small automobile engines. In one version, the camweight (40) inc... | 10/08/1996 |
| 5544689 | Window attachment screen system A window attachment screen system using a roller screen assembly provides out of view storage of a screen material (16). The screen material (16) is attached to the sash (44) of a double hung or similar window. Operation of the screen material (16) is cau... | 08/13/1996 |
| 5509289 | Portable vehicle frame straightening apparatus A portable frame straightening apparatus for straightening and repairing vehicles which is comprised of a frame structure (1) to which the damaged vehicle (124) is attached. The structure (1) is bolted to a plate (21) which is anchored to the floor. The f... | 04/23/1996 |
| 5507238 | Reduction of air toxics in coal combustion gas system and method The present invention provides a system and method (1) for reducing the amount of air toxic elements, particularly mercury (16), in concentrations down to and including trace levels, from a flyash (2) laden combustion gas stream (4). The method includes a... | 04/16/1996 |
| 5501382 | Universal hand tool holder A universal tool holder (100) including a holster (110) and a rigid mounting panel (120) attached to and extending above the holster (110). The holster (110) defines an epitrochoidal cavity (1) which includes a biasing crease (2) along the rear convex wal... | 03/26/1996 |
| 5485963 | Granular fertilizer spreader A granular fertilizer spreader which may be attached to a lawn mower (1). The spreader includes a hopper (44) which is secured to the mower handle (3), the spreader including drive wheels (9,10) which frictionally engage the rear mower wheels (7,8). An im... | 01/23/1996 |
| 5427430 | Air dam for snowmobiles An air dam (100) for a snowmobile (10) diverts air away from a cavity beneath the front end (12) of the snowmobile (10). The air dam (100) extends forward and downward, and, thus, diverted air imparts a downwardly directed force on the air dam (100), ther... | 06/27/1995 |
| 5409441 | Tractor feed box and multiple envelope method of manufacture and registration and fabricating apparatus A gusseted envelope or box making apparatus and method including the use of a tractor feed unit (11) which perforates the web stock (5) prior to a subsequent printing step. A thermal print head (61) precisely activates thermal ribbon (57) which is accurat... | 04/25/1995 |
| 5377919 | Hammermill A hammermill is presented which includes a plurality of hammers each presenting an arcuate striking profile. The hammermill includes a rotor having rods for swingable carrying the hammers thereon and a motor for rotating the rotor. The hammers are longitu... | 01/03/1995 |
| 5365442 | Sonic ranging grade level controller An implement position control device including a central processing unit (6) coupled to an ultrasonic transducer (17) and receiver/amplifier (20) adapted to calculate the distance to a reference target (12 and a relatively more distant surface (9). Contro... | 11/15/1994 |
