Assignee: Snap-on Technologies, Inc.

Location: Lincolnshire, IL
No. of patents: 151

Number	Title	Issue Date
7779196	Interface between busses of different physical layers First and second networks, for example Controller Area Networks (CANs), of different physical layers are interfaced by applying signals of the busses of the two networks to respective transceivers. A dominant state of one of the busses is sensed and data is transfer...	08/17/2010
7684880	Fuel cells service method and apparatus Embodiments for servicing a system including a fuel cell and at least one sensor. In one embodiment, the at least one sensor is implemented for generating information indicative of operation of the system. The information is communicated to a tool operatively connec...	03/23/2010
7644616	Method and apparatus for tracking wheel balancer corrective weight usage A wheel balancing system determines a type of corrective weight for application to an edge of a rim of a wheel for correcting imbalance of the wheel. One or more corrective weights are identified from a varied inventory of corrective weights. An inventory database i...	01/12/2010
7583401	Portal for distributing business and product information A portal for transferring information between a master server and a third-party client using a transportable replicating server is provided. The portal may be particularly useful for and may provide a significant cost advantage and benefit when access to front and b...	09/01/2009
7373726	Retro-reflective target wafer for a position determination system A target that is usable in a position determination system such as, for example, a wheel alignment system, is structurally stable over wide temperature ranges, protected from humidity and chemical contamination, and not subject to breakage. A layered target structur...	05/20/2008
7369222	Wheel aligner measurement module attachment system In a vehicle alignment system an optical sensing mechanism is structurally coupled to a vehicle supporting lift for movement in unison with the lift so that the field of view of the sensing mechanism encompasses a wheel of a vehicle positioned on the lift during lif...	05/06/2008
7225064	Wireless communication for diagnostic instrument A wireless interface for a diagnostic instrument is provided. The diagnostic instrument includes a communications interface having an external data port. A wireless adapter coupled to the external data port communicates diagnostic data with one or more computing dev...	05/29/2007
7117194	Textual and graphic data presentation system and method A system and method for use in accessing and displaying information is disclosed. The system and method may include a hand-held device for displaying information; the device may include a processor; a memory; and a word dictionary table stored in the memory. The wor...	10/03/2006
6843070	Refrigerant recycling system with single ball valve A refrigerant handling system includes coupling apparatus for coupling a refrigerant processing apparatus to an automotive air-conditioning system. The coupling apparatus includes a ball valve including a common port and at least two selectable ports, and a valve me...	01/18/2005
6845307	System for dynamic diagnosis of apparatus operating conditions A diagnostic platform includes a processor, storage media and user interfaces, including a display screen, the processor being coupled to engine analyzer hardware and adapted to be coupled to a scanner for downloading data from vehicle on-board computers. The system...	01/18/2005
6731382	Self-calibrating 3D machine measuring system useful in motor vehicle wheel alignment Techniques are disclosed for providing a system that has a plurality of devices in which the position of a device of the plurality of devices relative to another device of the plurality of devices is self-calibrated. In one embodiment, the system is a five-camera al...	05/04/2004
6728609	Diagnostic method and system for a multiple-link steering system A diagnostic method and system for determining an operational status of a multiple-link steering system for steering an object attached thereto. The system includes a position determination system for obtaining positional signals related to a steering system, and a ...	04/27/2004
6722749	Drawer open position controller A multi-drawer device includes a first drawer and a second drawer, each carried by a housing, and movable between a closed position disposed within a housing and an open position extending from the housing. A first slide assembly couples the first drawer to the hous...	04/20/2004
6719384	Suspendable locker The suspendable locker has a plurality of side walls and a top wall interconnected to define an interior space. The suspendable locker has an open bottom leaving the interior space exposed from below. A door is hingedly connected to a side wall to provide an access ...	04/13/2004
6717412	Ignition signal pickup interface box Method and apparatus for displaying ignition coil waveforms. The method includes disposing a plurality of capacitive elements adjacent a plurality of coil-over-plug ignition coils. Signals detected by the capacitive elements are supplied to an adapter in which signa...	04/06/2004
6714846	Diagnostic director A diagnostic system includes a host system having a processor, storage media and a user interface including a display screen, and a plurality of support data sources, which may be resident at or remote from the host system. The storage media stores service or mainte...	03/30/2004
6693367	Single-hand held diagnostic display unit A vehicle diagnostic display unit is provided for performing diagnostic procedures on a vehicle using only one hand. The vehicle diagnostic display unit includes a case, a display screen, a main support, and a plurality of keys. The case has a front porti...	02/17/2004
6687782	Method and implementation for addressing and accessing an expanded read only memory (ROM) A ROM is provided with sufficient input address terminals for receipt of a unique address for each data storage location, even though the number of ROM input addresses exceeds the capacity of the processor and address bus. A dual mode read operation inclu...	02/03/2004
6680777	Automatic transmission fluid tester An automatic transmission fluid tester determines the remaining service life of automatic transmission fluid. The tester includes a radiation source for emitting radiation in the direction of an automatic transmission fluid sample under test, and a radiat...	01/20/2004
6664791	Alternator tester with improved heat dissipation An alternator tester having improved heat dissipation. The alternator tester has a housing and a circuit board including tester circuits. The housing has a size suitable to be held in one's hand. The housing includes a first compartment for receiving the ...	12/16/2003
6658751	Target system for use with position determination system A target system for determining the location of a position on a vehicle comprises a target body, one or more target elements, a trigger, and a point definer. The target elements are disposed on the target body and are detectable by a position determinatio...	12/09/2003
6658749	3D machine vision measuring system with vehicle position adjustment mechanism for positioning vehicle A system for obtaining positional information about a vehicle includes a vision imaging system and a vehicle position adjustment mechanism for moving the vehicle between at least two positions for detection by the vision imaging system. The vehicle positi...	12/09/2003
6661505	Method and system for measuring caster trail A system for measuring caster trail of a wheel. The system comprises position sensing devices for sensing positional signals of the wheel and a data processing system configured to couple to the position sensing devices. The data processing system receive...	12/09/2003
6637061	Combination tool assembly for bicycles and method of using same The tool assembly includes a main metal body with three sockets respectively receiving the short legs of three differently-sized L-shaped wrenches. In stowed positions, the long legs of the wrenches lie against one side of the body in a nested configurati...	10/28/2003
6634109	Method and system for determining symmetry and Ackermann geometry status of the steering system of a vehicle The present disclosure provides a method and system for determining symmetry and Ackermann geometry status of the steering system of a vehicle. A system according to the disclosure determines symmetry of the steering system based on toe angle differences ...	10/21/2003
6634726	Multiple drawer cabinet allowing one drawer opened at a time A multi-drawer device includes a first drawer and a second drawer, each carried by a housing, and movable between a closed position disposed within a housing and an open position extending from the housing. A first slide assembly couples the first drawer ...	10/21/2003
6634438	Pneumatic air tool with direct air path motor The pneumatic tool includes a housing which encloses a majority of the pneumatic tool. The housing is comprised of a body and a handle depending from the body and defining an input air passageway. A reversing valve lies partially disposed within the housi...	10/21/2003
6626067	Retention socket geometry variations A device includes a body having a plurality of alternating drive regions and corner regions arranged about a central axis for cooperation to define a socket recess having an open outer end and an inner end. Each drive region has a drive surface disposed t...	09/30/2003
6615120	System for dynamic diagnosis of apparatus operating conditions A diagnostic platform includes a processor, storage media and user interfaces, including a display screen, the processor being coupled to engine analyzer hardware and adapted to be coupled to a scanner for downloading data from vehicle on-board computers....	09/02/2003
6601826	Low-level lift A description is provided of a lift which is defined as "low-level", owing to the fact that in the articulation position in which the scissors are closed, the oleodynamic cylinder which generates the thrust force does not project above the height of the f...	08/05/2003
6595087	Encapsulated dead blow hammer with improved skeleton A dead blow hammer has a skeleton including a cylindrical head tube and a cylindrical neck tube fixed to the head tube and projecting laterally therefrom and receiving therein a disk-like plastic spacer and the working end of an elongated plastic handle c...	07/22/2003
6594007	Method and apparatus for mapping system calibration Method and apparatus for calibration of 3-dimensional mapping systems applicable to automotive crash repair and diagnostics in which a calibration assembly provides accurate 3-dimensional optical inputs to a camera unit for calibration of the internal dim...	07/15/2003
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
6577116	Circuit test light A circuit test light includes a reel-shaped housing formed of a light-transmitting material, with a light source disposed in the hub of the reel and connected to the proximal ends of two elongated test leads, the distal ends of which are respectively conn...	06/10/2003
6574877	Two piece alignment head An alignment head for use in aligning the wheels of a vehicle. The alignment head includes left and right covers configured for engaging each other to establish a housing. A frame assembly is positioned within a central portion of the housing, and sensors...	06/10/2003
6560883	Method and system for conducting wheel alignment A method and system for providing an improved camber adjustment technique. The method comprises the steps of: turning the steerable wheel to a first position in which the steerable wheel is either toe-in or toe-out, then turning the steerable wheel to a s...	05/13/2003
6562509	Multi-use lead-acid power pack for use with a cordless power hand tool and other loads A multiple-use battery pack system includes a battery pack housing enclosing a lead-acid battery and a post portion projecting from the housing and adapted to be plugged into a cavity in an associated cordless power hand tool. First terminals on the post ...	05/13/2003
6564128	System and method for distributed computer automotive service equipment A computerized automotive service equipment system is adapted to access remotely located computer systems to retrieve or exchange data and/or software applications, or to undergo live or real-time and two-way interaction. The system and its components are...	05/13/2003
6560516	Method for conducting vehicle diagnostic analyses using distributed structure A method for conducting a vehicle diagnostic analysis comprises the machine-implemented steps of executing a software application for conducting the vehicle diagnostic analysis, receiving signals representative of parameters of a vehicle, accessing a soft...	05/06/2003
6556971	Computer-implemented speech recognition system training Computer-implemented speech recognition system training including displaying an icon representing a concept, prompting a user to generate a vocalization comprising any sound determined by the user to associate to the icon, confirming association of the vo...	04/29/2003

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Assignee: Snap-on Technologies, Inc.