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 |
| 7331567 | Coupling device for two connecting poles A coupling device for two connecting poles which includes: a lower fixing sleeve sleeved on the upper portion of a lower connecting pole, having an opening communicating the outer surface and the inner surface of the lower fixing sleeve, two fixed plates extend outw... | 02/19/2008 |
| 7310915 | Retractable column and method of forming The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set m... | 12/25/2007 |
| 7258184 | Battery replacement system for an industrial truck A battery replacement system for an industrial truck has an electrical propulsion drive and at least one battery compartment for holding a battery block. The battery block can be moved essentially in a horizontal direction into the battery compartment or out of the ... | 08/21/2007 |
| 7147211 | Hydraulic jack stand The hydraulic jack stand is a hydraulic jack with an integral jack stand. The jack stand helps stabilize and support a heavy object being lifted by the jack. The hydraulic jack stand uses multiple parallel safety mechanisms to prevent the jack from lowering unexpect... | 12/12/2006 |
| 7011471 | Jacking method and apparatus A jacking method and apparatus for a heavily loaded platform includes hydraulic continuous linear motion motors, preferably comprising a plurality of phased hydraulic piston/cylinder units, that are engaged to drive the heavily loaded platform to provide relative mo... | 03/14/2006 |
| 6705802 | Temporary support for offshore drilling platform A support device is used to facilitate maintenance of a jacking system of a self-elevating drilling or maintenance platform having a plurality of legs supporting the platform in an operating orientation. The platform includes jacking mechanisms associated with the l... | 03/16/2004 |
| 6652194 | Jack-up mobile offshore drilling units (MODUs) and jacking method and apparatus A mobile offshore drilling unit (MODU) jacking system includes a plurality of hydraulic continuous linear motion motors, preferably comprising a plurality of phased hydraulic piston/cylinder units, that are engaged with a plurality of MODU supporting legs... | 11/25/2003 |
| 6581910 | Rack-type kinematic mechanism, in particular for vehicle lifts A rack-type lift for vehicles includes a first, stationary rack and a second movable rack that supports a lifting unit. A toothed wheel that is movable within the lift between a first and second end position is interposed between the racks, which racks ar... | 06/24/2003 |
| 6543966 | Drive system for inserting and extracting elongate members into the earth A drive system for elongate members comprising a drive plate, a support system, an insertion housing, at least one drive gear, and a vibratory system. The suppression system resiliently opposes relative movement between the support plate and the insertion... | 04/08/2003 |
| 6443428 | Nail removing apparatus A nail removing apparatus for removing and holding nails. The nail removing apparatus includes a housing having a bottom wall, a front wall, a back wall, a pair of side walls and a top wall. The bottom wall has an opening therein extending into the interi... | 09/03/2002 |
| 6431795 | Systems and methods for inserting wick drain material A system for displacing an elongate member relative to the ground. The system includes a drive rack, a support assembly, a vibratory assembly, and a drive assembly. The vibratory assembly comprises a vibratory housing defining a vibratory chamber and a vi... | 08/13/2002 |
| 6336622 | Tower A derrick, especially a drilling rig derrick, including a derrick structure and lifting tackle for a load, for example, a drill string, in the derrick structure. The lifting tackle includes guideways in parallel relation which each includes a vertical mai... | 01/08/2002 |
| 6302377 | Post pulling apparatus A post pulling apparatus for pulling and removing posts from a ground. The post pulling apparatus includes a base assembly having a base member and having a plurality of wheel members securely mounted to the base member; and also includes an elongate supp... | 10/16/2001 |
| 6224037 | Column for lifting loads A lifting device enabling loads to be lifted over long distances, characterized in that it comprises a housing fitted with two rotary pinions driving an articulated lifting column and comprising two parallel articulated sides joined by means of connecting... | 05/01/2001 |
| 6206345 | Pipe pusher An apparatus for pushing tubular members along a tunnel, the apparatus comprising a frame shaped to receive a tubular member therein and having an open end shaped to receive the tubular member therethrough, and a pushing element mounted on and displaceabl... | 03/27/2001 |
| 6101702 | Windshield lift and method of use A windshield lift acting between the floor of a vehicle and the inside surface of the windshield with the aid of suction cups to apply an outward force to place the seal which bonds the windshield to the vehicle frame under tension. The peripheral seal ca... | 08/15/2000 |
| 6086757 | Guide rollers for cog rake bar screens There is provided a guide roller assembly for use in a wastewater treatment facility comprising a pin and a guide roller, wherein the guide roller directly surrounds the pin and the pin rotates within the roller. There is also provided a guide roller asse... | 07/11/2000 |
| 6039508 | Apparatus for inserting elongate members into the earth A system for inserting elongate members into and removing elongate members from the ground. The system is a bottom drive system that is capable of applying crowding or extraction forces to the elongate member while at the same time vibrating the elongate ... | 03/21/2000 |
| 6019892 | Guide tracking for cog rake bar screens There is provided a guide track for cog rake bar screens comprising a metallic or nonmetallic guide track. There is also provided a guide track for cog rake bar screens comprising modular sections of guide track being disposed adjacent one another wherein... | 02/01/2000 |
| 5979875 | Mechanical jack transmission A mechanical lifting jack. The jack includes a single gear rack having a single row of spaced-apart teeth. A gear member having two pin members is held in meshing engagement with the gear rack by a gear housing circumscribing the gear rack. The teeth of t... | 11/09/1999 |
| 5951234 | Pallet loader The invention concerns an improved device in pallet loaders, comprising an upright frame (1) and a pair of horizontal lifting fork members (2) which may be raised and lowered together with said frame (1) by means of a lifting mechanism. The lifting fork m... | 09/14/1999 |
| 5921714 | Device for releasing a screw jack mechanism A device for releasing of a frozen screw pressed against a contact surface uses a compression disc pre-loaded to an anticipated amount of deflection prior to mounting between the contact surface and the screw. The disc has an insert formed from a granulat... | 07/13/1999 |
| 5915882 | Jack-up platform locking apparatus and method A locking mechanism is disclosed for use on the legs of a jack-up offshore platform. Each chord of the legs includes a rack for cooperation with pinions used in raising and lowering the legs. The locking mechanism of the invention includes a rigid frame a... | 06/29/1999 |
| 5452774 | Endless roller chain drive with interlocking traction rail A mechanical drive assembly composed of an endless roller chain (78) and notched rail (100) wherein multiple chain rollers (79) engage corresponding rail notches (103 ) to securely interlock drive (38) and rail (100). Drive (38) is equipped with a triple-... | 09/26/1995 |
| 5443342 | Device for positioning cargo A device for positioning cargo includes a rack slidably engaged in a tube and outstretched from the tube so as to force against the cargo in order to position the cargo within a container, a base is secured to the tube, a ratchet gear is rotatably support... | 08/22/1995 |
| 5441238 | Apparatus for lifting one side of a sofa for vacuuming therebeneath An apparatus for lifting an object for working therebeneath comprising a pair of parallel side plates having apertures through their upper ends and with a pin extending through the apertures. A base comprised of feet is secured with respect to the lower e... | 08/15/1995 |
| 5314157 | Elongatable support A telescoping support has at its actuating head at which a roller engages a bar which emerges from the outer tube, a sleeve-like extension provided with a pawl which can engage the bar in a sleeve-locking manner under load to prevent spontaneous contracti... | 05/24/1994 |
| 5186429 | Elongatable support An elongatable support has a lever actuating a fork for displacing a roller out of wedging engagement between an inclined surface of a head on a tube from which a bar can telescopingly extend, and a surface of this bar. To prevent inadvertent actuation of... | 02/16/1993 |
| 5183236 | Locking device for rectilinear or circular displacement mechanical jacks The device comprises at least one rod normally locked by notched rollers mounted on pins and cooperating with at least one V-shaped bearing plate having toothed ramps, and the vertical displacement of which is made by rotation of a cam driven by a set of ... | 02/02/1993 |
| 5170994 | Rack and pinion jack In order to be able to handle containers of a height greater than the structural height of a rack and pinion jack in its retracted state, the top crosspiece of the rack and pinion jack is provided to be bent and provided with a double-acting engagement pa... | 12/15/1992 |
| 5139366 | Offshore jackup rig locking apparatus and method A locking apparatus and method for an offshore jackup rig having at least one leg extending through the hull and at least one set of rack teeth attached to each of the legs. One or more locking bars are supported from the hull and are movable in a directi... | 08/18/1992 |
| 5125290 | Rack and pinion lifter A device with one or more actuator racks carried by a housing for reciprocation and each meshing with a separate pinion gear having a non-circular central hole in which a complimentary coupling shaft can be removably received for rotation in unison with t... | 06/30/1992 |
| 5020777 | High lift jack An inexpensive, self-locking, high-lift jack constructed of high strength materials. The jack comprises a rail having spaced apart parallel rows of offset notches and a base support stand in which the rail is vertically mounted. A rider member reciprocate... | 06/04/1991 |
| 5012689 | Vehicle foot pedal actuator apparatus and method A vehicle foot pedal actuator device is adapted for both depressing a vehicle foot pedal and returning the pedal to its normal position. The actuator device includes a variable length extension assembly adapted to be connected between the vehicle driver's... | 05/07/1991 |
| 4976413 | Mechanical jacking device A relatively simple jack which can be manually operated using a wrench or mechanically operated using a driven socket wrench includes an elongated, upwardly tapering, square cross section casing, with a slot extending longitudinally of one side wall there... | 12/11/1990 |
| 4901982 | Method intended to facilitate disengagement of mechanisms applying high stress to one another A system and method are provided to facilitate disengagement of two mechanisms engaged with one another with a high stress therebetween, such as in rack locking arrangements used on offshore platforms. The first mechanism (e.g., a rack) is mobile in relat... | 02/20/1990 |
| 4885698 | Overload prevention apparatus for jacking system of offshore structures An overload prevention apparatus for a jacking system of a rack and pinion type for use in offshore structures is disclosed. Each of the pinions is provided with a torque meter and tachometer for detecting a relative position between the pinion and the ra... | 12/05/1989 |
| 4848735 | Gear box for rack and pinion jack and method of making same A tongue mounted rack and pinion jack for a trailer wherein a pair of die-cast gear box segments are bolted together for supporting a handle driven worm gear and a pinion gear in self-contained bearing surfaces formed in the gear box segments. When the ge... | 07/18/1989 |
| 4830337 | Device for pushing and pulling an accessory instrument of manufacturing plant The present invention relates to a device for pushing and pulling an accessory instrument of a manufacturing plant, such as a clamp for a metallic mould, by means of a chain driven by a hydraulic actuator having a vertical cylinder. One end of the chain i... | 05/16/1989 |
| 4830336 | Arrangement in a hoisting device, especially for a derrick Arrangement in a hoisting device, especially for a derrick (1) comprising two parallel vertical derrick components (3, 4), each of which carrying a rack rail (10) along which the hoisting device (6) can move vertically by means of a driving means (6a6b) w... | 05/16/1989 |
