Assignee
HOFMANN WERKSTATT TECHNIK
DE·45 granted patents·586 citations·filing 1986–1999
Top patents by PatentIndex Score
45 records- 0183US4854168AMethod for balancing a rotor, in particular a motor vehicle wheel, in two planesHOFMANN WERKSTATT TECHNIK·Filed 1988·Granted Aug 8, 1989·36 cites·7 claims
- 0277US5615574AMethod and assembly for clamping and releasing a rotary member on a motor-driven shaft of an unbalance measuring arrangementHOFMANN WERKSTATT TECHNIK·Filed 1994·Granted Apr 1, 1997·39 cites·17 claims
- 0376US5591909AMethod and device for balancing an unbalance on a motor vehicle wheelHOFMANN WERKSTATT TECHNIK·Filed 1995·Granted Jan 7, 1997·38 cites·6 claims
- 0473US4817429AMethod and apparatus for optimization of running conditions of an automobile wheelHOFMANN WERKSTATT TECHNIK·Filed 1987·Granted Apr 4, 1989·29 cites·11 claims
- 0564US5557043AApparatus for fixing an adhesive balancing weight to a vehicle wheelHOFMANN WERKSTATT TECHNIK·Filed 1995·Granted Sep 17, 1996·26 cites·13 claims
- 0659US4890661ATire demounting toolHOFMANN WERKSTATT TECHNIK·Filed 1988·Granted Jan 2, 1990·16 cites·14 claims
- 0757US5447064AVehicle wheel balancing machineHOFMANN WERKSTATT TECHNIK·Filed 1992·Granted Sep 5, 1995·18 cites·21 claims
- 0856US6179032B1Bead depressorHOFMANN WERKSTATT TECHNIK·Filed 1998·Granted Jan 30, 2001·19 cites·24 claims
- 0956US4702103AMethod of quality grading in uniformity tests of rotors, in particular of automobile tiresHOFMANN WERKSTATT TECHNIK·Filed 1986·Granted Oct 27, 1987·17 cites·4 claims
- 1055US5311668AWheel position measuring apparatusHOFMANN WERKSTATT TECHNIK·Filed 1993·Granted May 17, 1994·19 cites·8 claims
- 1154US5587528AApparatus and method for correcting unbalance on a motor vehicle wheelHOFMANN WERKSTATT TECHNIK·Filed 1995·Granted Dec 24, 1996·19 cites·21 claims
- 1254US5526686ABalancing machine having an apparatus for sensing geometrical data of a rotary member to be balanced and a method of balancing a rotary memberHOFMANN WERKSTATT TECHNIK·Filed 1994·Granted Jun 18, 1996·18 cites·33 claims
- 1349US6138366AAdaptor for fixing a measuring means to a vehicle wheelHOFMANN WERKSTATT TECHNIK·Filed 1998·Granted Oct 31, 2000·19 cites·17 claims
- 1449US5471874AMethod of correcting unbalance on a motor vehicle wheelHOFMANN WERKSTATT TECHNIK·Filed 1993·Granted Dec 5, 1995·15 cites·14 claims
- 1549US5060513AApparatus for measuring unbalance on rotary membersHOFMANN WERKSTATT TECHNIK·Filed 1990·Granted Oct 29, 1991·14 cites·16 claims
- 1648US5831152AWheel balancing machineHOFMANN WERKSTATT TECHNIK·Filed 1997·Granted Nov 3, 1998·14 cites·3 claims
- 1748US5208647AMethod and apparatus for the optical measurement of an angle between positions of components relative to each otherHOFMANN WERKSTATT TECHNIK·Filed 1991·Granted May 4, 1993·15 cites·20 claims
- 1845US5983717AMethod and apparatus for balancing a motor vehicle wheelHOFMANN WERKSTATT TECHNIK·Filed 1997·Granted Nov 16, 1999·13 cites·23 claims
- 1945US5959204AMethod and apparatus for holding in position a motor vehicle wheel clamped on a balancing machine measuring spindleHOFMANN WERKSTATT TECHNIK·Filed 1996·Granted Sep 28, 1999·13 cites·10 claims
- 2045US5479821AMethod and apparatus for measuring unbalance of a motor vehicle wheel on a motor vehicleHOFMANN WERKSTATT TECHNIK·Filed 1993·Granted Jan 2, 1996·12 cites·28 claims
- 2144US4956998AApparatus for driving a motor vehicle wheel for determining unbalance thereofHOFMANN WERKSTATT TECHNIK·Filed 1989·Granted Sep 18, 1990·10 cites·12 claims
- 2242US5948980AMethod and arrangement for clamping a motor vehicle wheel on a balancing machine shaftHOFMANN WERKSTATT TECHNIK·Filed 1998·Granted Sep 7, 1999·13 cites·11 claims
- 2341US5703291APower clamping system for mounting/securing of automotive wheel assemblies onto wheel balancing machinesHOFMANN WERKSTATT TECHNIK·Filed 1996·Granted Dec 30, 1997·13 cites·11 claims
- 2441US5469040AOperating circuit including an oscillating circuit capacitor coupled to an auxiliary winding for an apparatus that measures the unbalance of a rotary memberHOFMANN WERKSTATT TECHNIK·Filed 1992·Granted Nov 21, 1995·9 cites·9 claims
- 2540US6414304B1Method and apparatus for determining the position of a wheel mounted on a vehicleHOFMANN WERKSTATT TECHNIK·Filed 1998·Granted Jul 2, 2002·12 cites·9 claims
- 2640US5172596AProcess and apparatus for the input of parameters of a rotary member to be balanced into a balancing machine evaluation unitHOFMANN WERKSTATT TECHNIK·Filed 1992·Granted Dec 22, 1992·12 cites·10 claims
- 2740US4955716AMethod and device to determine a relative reference position for an angle measurement of an objectHOFMANN WERKSTATT TECHNIK·Filed 1989·Granted Sep 11, 1990·5 cites·22 claims
- 2837US6408528B1Method and apparatus for determining the impressing depth of a tire on a motor vehicle disk wheelHOFMANN WERKSTATT TECHNIK·Filed 1999·Granted Jun 25, 2002·9 cites·10 claims
- 2936US5563342AVehicle wheel balancing machine having sensing means for sensing geometrical data of the wheelHOFMANN WERKSTATT TECHNIK·Filed 1995·Granted Oct 8, 1996·8 cites·6 claims
- 3036US4688355AMethod and apparatus for continuous compensation of grinding wheel unbalanceHOFMANN WERKSTATT TECHNIK·Filed 1986·Granted Aug 25, 1987·10 cites·8 claims
- 3135US5717138AArrangement for driving a measuring spindle of a balancing machineHOFMANN WERKSTATT TECHNIK·Filed 1996·Granted Feb 10, 1998·6 cites·30 claims
- 3234US6672158B1Method and apparatus for balancing a vehicle wheelHOFMANN WERKSTATT TECHNIK·Filed 1999·Granted Jan 6, 2004·8 cites·5 claims
- 3334US5244331AApparatus for positioning a rotary member on a balancing machineHOFMANN WERKSTATT TECHNIK·Filed 1992·Granted Sep 14, 1993·6 cites·12 claims
- 3434US4984126AMethod and circuit for stopping the test run of a rotor being balancedHOFMANN WERKSTATT TECHNIK·Filed 1988·Granted Jan 8, 1991·5 cites·5 claims
- 3533US4974450AApparatus for measuring imbalance of rotorsHOFMANN WERKSTATT TECHNIK·Filed 1988·Granted Dec 4, 1990·4 cites·12 claims
- 3632US5909097AMethod of stopping an electric motor-driven balancing machine main shaftHOFMANN WERKSTATT TECHNIK·Filed 1997·Granted Jun 1, 1999·7 cites·21 claims
- 3732US5477728AMethod and apparatus for driving a motor vehicle wheel on a motor vehicle for unbalance measurement thereofHOFMANN WERKSTATT TECHNIK·Filed 1993·Granted Dec 26, 1995·4 cites·16 claims
- 3832US5255563AApparatus for retarding the measuring spindle of a balancing machineHOFMANN WERKSTATT TECHNIK·Filed 1991·Granted Oct 26, 1993·4 cites·12 claims
- 3931US4928548AArrangement for continuously compensating for unbalance on a rotary memberHOFMANN WERKSTATT TECHNIK·Filed 1989·Granted May 29, 1990·6 cites·28 claims
- 4030US5847277AMethod of rotating a rotary member in a balancing machine into balancing positions in first and second balancing planesHOFMANN WERKSTATT TECHNIK·Filed 1997·Granted Dec 8, 1998·5 cites·16 claims
- 4129US5606127AMethod of setting a displayable machine function of a wheel balancing machine and corresponding wheel balancing machineHOFMANN WERKSTATT TECHNIK·Filed 1995·Granted Feb 25, 1997·5 cites·3 claims
- 4229US5509307AMechanical drive arrangement for a measuring spindle of a wheel balancing machineHOFMANN WERKSTATT TECHNIK·Filed 1993·Granted Apr 23, 1996·4 cites·8 claims
- 4328US4972712AMounting apparatus for mounting a rotary member on unbalance measuring machineHOFMANN WERKSTATT TECHNIK·Filed 1989·Granted Nov 27, 1990·6 cites·9 claims
- 4427US5913254AMethod and apparatus for handling a wheel on a tire fitting machineHOFMANN WERKSTATT TECHNIK·Filed 1997·Granted Jun 15, 1999·1 cites·31 claims
- 4518US5435183AMethod and apparatus for determining the number of successive balancing operations performed per balancing operation which results in a measured unbalance within a predetermined toleranceHOFMANN WERKSTATT TECHNIK·Filed 1993·Granted Jul 25, 1995·5 cites·9 claims
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