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 |
| 7363127 | Air brake system monitoring for pre-trip inspection Vehicles equipped with air brake systems and compressed air systems for supporting operation of the brakes provide for automated inspection of the air compressor system using an onboard vehicle or engine management computers. During vehicle operation, the system con... | 04/22/2008 |
| 7318463 | Self-propelling crusher A self-propelled crushing machine comprises a crushing device 20; a hydraulic drive system including a crushing device hydraulic motor 21 for driving the crushing device 20, a first hydraulic pump 62 for driving the crushing device hydrau... | 01/15/2008 |
| 7243747 | Trailer provided with manoeuvring device A trailer provided with a manoeuvring device. The manoeuvring device has a pivoting frame that can be moved with respect to the chassis of a trailer, such as a caravan, and is provided at the end with a roller driven by an electric motor. This roller does not engage... | 07/17/2007 |
| 7237643 | Pump unit and working vehicle A pump unit for supply and discharge of hydraulic fluid into and from an actuator upon receiving driving power from a driving source is provided, in which said actuator is fluidly connected to said pump unit via a hydraulic circuit. The pump unit includes an input m... | 07/03/2007 |
| 7147070 | Motorized semi-trailer An improved tractor trailer having a tractor unit and a trailer unit and wherein the tractor unit includes an internal combustion engine, the improvement comprising an electrical drive arranged to drive at least some of the wheels on at least one of the axles of the... | 12/12/2006 |
| 7117967 | Wheel chair apparatus and method A wheel chair drive apparatus includes a frame having a wheel mount, a battery mount, and a control shaft mount. A drive wheel has a drive motor incorporated within the drive wheel. A battery is in operative communication with the drive motor via a detachable jack. ... | 10/10/2006 |
| 7096989 | Hydraulic transaxle apparatus for a four-wheel driving vehicle and four-wheel driving vehicle using the apparatus An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft receiving power from the prime mover, a pair of first axles, and a h... | 08/29/2006 |
| 7044259 | Hydraulic transmission for driving and steering wheels In a hydraulic transmission for driving and steering wheels of a vehicle, which has at least a first pair of laterally disposed wheels, a first hydraulic pump is operatively connected to a driving source with inlet/outlet ports respectively and fluidly connected to ... | 05/16/2006 |
| 6945343 | Motorized trailer wheel with direct drive and trailer incorporating same The invention is a motorized trailer wheel mounted to a trailer tongue jack which has a single power source such as 12-volt battery-powered electric motor and gear reducer. The motor drives a pinion gear which engages a circular rack mounted to the wheel. Operation ... | 09/20/2005 |
| 6938400 | Electric drive mower with trailed auxiliary power source Provided is an all-electric riding greens mower. The mower includes a frame which is supported for movement upon a plurality of ground engaging wheels and upon which are supported a modularly interchangeable power source and a plurality of reel lawn mowers. An elect... | 09/06/2005 |
| 6922997 | Engine based kinetic energy recovery system for vehicles A motor vehicle kinetic energy recovery system uses one or more cylinders of an internal combustion engine as the first or primary stage in a multi-stage high pressure air compression system, a compressed air storage system, compressed air operated drive train boost... | 08/02/2005 |
| 6904993 | Hydrostatic drive and method for operating such a hydrostatic drive A hydrostatic drive (1) with a hydraulic pump (3) and a plurality of hydraulic motors (6-9) that are hydraulically linked with the hydraulic pump (3). One speed sensor (20; 21; 22; 23) each allocated to a respective hydraulic motor... | 06/14/2005 |
| 6874807 | Coupling device for a handling trolley A coupling device for a handling trolley comprises a drawbar (22) arranged at the front of the trolley and designed to co-operate with the hook (24) provided at the back of a tractor, in particular a trolley preceding a line of trolleys. The drawbar ( | 04/05/2005 |
| 6035909 | Hydraulic drive for a feller-buncher An apparatus for felling and bunching trees is disclosed. The apparatus includes a front frame and a front axle supported by the front frame. The apparatus further includes a number of front wheels mounted on the front axle and a work tool supported by th... | 03/14/2000 |
| 5682958 | Rear wheel assist for a self-propelled scraper A scraper is provided with a hydrostatic rear wheel assist that is operated by foot pedals in the operators cab. A reversible variable displacement hydrostatic pump is operatively coupled to an engine mounted to the front frame section of the scraper. An ... | 11/04/1997 |
| 5282515 | Driving assembly for attachment to a trailer The invention is a driving assembly that can be attached to an existing trailer, manufactured with the trailer, or retrofitted onto a trailer in place of the front part of the trailer. The driving assembly comprises a housing attached to the trailer with ... | 02/01/1994 |
| 4991672 | Automatic control system for the transfer of the drive power between a tractor and a trailer The invention concerns an automatic control system for the transfer of the drive power between a tractor (10) and a trailer (11), which system comprises a closed hydraulic circuit (43) that operates the drive wheels of the tractor (10) and an open hydraul... | 02/12/1991 |
| 4976331 | Process and device for controlling the driving torque transmitted by a tractor to a hydraulically powered trailer A method for controlling the driving torque transmitted to a trailer having hydraulically powered driving axles. The tractor pulling the trailer is driven directly by an engine. The engine also drives a hydraulic pump which feeds at least one hydraulic mo... | 12/11/1990 |
| 4844683 | Bulk orchard harvest trailer with power assist The invention provides a low-profile agricultural trailer with power assisted wheels for use in orchards particularly during nut harvesting. A rectangular paneled trailer body has an open top partially covered by a sectional opened-top longitudinal hood, ... | 07/04/1989 |
| 4817980 | Articulated truck/trailer combination: first cargo unit coupling mechanism In a cargo-carrying vehicle having a power unit, a first cargo-carrying unit releasably affixed to the power unit, the first cargo-carrying unit not being pivotal on the power unit, and a second cargo-carrying unit releasably pivotally connected to the fi... | 04/04/1989 |
| 4764078 | Automated system for feeding production and/or packing material from a store onto manufacturing lines A system for feeding production and/or packing material onto manufacturing lines, which system has compartment for storing the material; guide tapes for mobile trucks traveling between a storage area and manufacturing lines. The guide tapes define routes ... | 08/16/1988 |
| 4730685 | Apparatus for moving a multi-wheeled vehicle This invention relates to a driving apparatus being provided for an aircraft or other wheeled vehicle by providing at least two frictional rollers which are mounted spaced from each other and adapted to be positioned on opposite sides of the wheel assembl... | 03/15/1988 |
| 4685527 | System for powering a trailer The present invention is a system for powering a trailer. The system includes a trailer having a tongue for connecting the trailer to a towing vehicle. The trailer is supported by at least one wheel mounted on each of opposing sides of the trailer frame. ... | 08/11/1987 |
| 4560021 | Control system for a plurality of engine units A control system having a plurality of sensors which sense conditions of a vehicle for producing signals, a selection button which selects combinations of the sensed signals and a control device which operates in response to the selected combination of si... | 12/24/1985 |
| 4542990 | Hydraulic apparatus for driving one or more hydraulic equipment devices, mounted on a semi-trailer, by means of the system motorizing the semi-trailer A hydraulic apparatus drives a semi-trailer hitched to a road tractor and a hydraulic equipment device carried by the semi-trailer. The apparatus includes an auxiliary motor capable of driving the device, for example a concrete mixer, through a hydraulic ... | 09/24/1985 |
| 4502558 | Power drive system for road vehicles A power drive system for road vehicles comprises, in series relationship, at least a prime motor, at least a hydraulic pump driven by the prime motor and at least one hydraulic motor connected to the hydraulic pump and driving a differential gear interpos... | 03/05/1985 |
| 4371186 | Articulation for vehicle, especially an articulated bus An articulation for an articulated vehicle is disclosed which comprises first and second elements fixed respectively to each of the vehicle sections and an intermediate element, the three elements each presenting mean main planes which blend into a single... | 02/01/1983 |
| 4320811 | Articulated vehicle drive and control system A drive and control system for articulated vehicles which has the capacity of operating the vehicle either in a push-mode, with only the wheels of the rear section being driven, or in a hybrid mode in which a portion of the power is applied to the rear wh... | 03/23/1982 |
| 4252205 | Vehicle having at least two driven axles A vehicle having at least two driven axles is powered by a gas turbine plant having two separate take-off shafts. One of these is connected to a first driven axle by a mechanical gearing, while the other take-off shaft is connected to a second driven axle... | 02/24/1981 |
| 4185710 | Vehicle having at least two driven axles A vehicle having at least two driven axles is powered by a gas turbine plant having two separate take-off shafts. One of these is connected to a first driven axle by a mechanical gearing, while the other take-off shaft is connected to a second driven axle... | 01/29/1980 |
| 4183419 | Hydrostatic front wheel drive system A motor grader is provided with an electrical control circuit for automatically effecting engagement, speed, and direction control of an auxiliary hydrostatic front wheel drive system to augment the primary engine-driven rear wheel drive system.... | 01/15/1980 |
| 4177870 | Hydrostatic front wheel drive system A motor grader is provided with an electrical control circuit for automatically effecting engagement, speed, and direction control of an auxiliary hydrostatic front wheel drive system to augment the primary engine-driven rear wheel drive system.... | 12/11/1979 |
| 4140194 | Auxiliary hydraulic drive for a trailer-tractor combination A tractor-trailer combination includes an auxiliary hydraulic drive motor for driving an axle of the trailer and a hydraulic coupling for coupling and uncoupling the hydraulic drive motor and the axle depending on the speed of movement of the trailer trac... | 02/20/1979 |
| 4082157 | Highway vehicle with hydraulically driven power dolly An over-the-highway tractor-trailer vehicle including a tractor coupled in towing relationship to a forward trailer, and a dolly for towing a rearward trailer behind the forward trailer. The dolly has a hydraulically driven power unit. A hydraulic pump is... | 04/04/1978 |
| 4027738 | Device for co-ordinated driving of a towing vehicle and a towed vehicle The present invention relates to an apparatus providing for the co-ordinated driving of a towing vehicle and a towed vehicle equipped with a hydrostatic driving system of its own. The respective driving wheels of the towed vehicle are each driven by a sep... | 06/07/1977 |
| 4004648 | Multi-engine, articulated vehicle apparatus An electronic governor for controlling the speed of one of two coupled prime movers wherein signals corresponding to wheel speeds of each of the two prime movers are compared to produce an error signal for controlling an actuator on one prime mover. The s... | 01/25/1977 |
| 3994353 | Vehicle having a mechanical drive, a pump, a variable-displacement motor and a method of driving the vehicle A vehicle, such as a single truck or a truck-and-trailer combination, having a power plant, has primary ground-engaging wheels driven by the power plant and a hydraulic pump, also driven by the plant and connected by ducts to a variable-displacement motor... | 11/30/1976 |
| 3981374 | Hydraulic drive assist for scrapers An hydraulic drive supplies power to the rear wheels of a scraper at loading speeds providing a pushing assist to the tractor engine powering the tractor wheels at the front. The drive includes a piston type motor mounted on the stinger or pusher frame of... | 09/21/1976 |
