Assignee
CROWN GEAR BV
NL·11 granted patents·142 citations·filing 1990–1998
Top patents by PatentIndex Score
11 records- 0175US5247856AGear transmission between an input shaft and two contrarotating concentric output shaftsCROWN GEAR BV·Filed 1990·Granted Sep 28, 1993·28 cites·4 claims
- 0269US5845533AGear transmission of a cylindrical pinion with a face gear, face gear used in said transmission and method and tool for making the face gearCROWN GEAR BV·Filed 1997·Granted Dec 8, 1998·34 cites·7 claims
- 0355US5494475ATool for producing crown wheels, and method for producing such a toolCROWN GEAR BV·Filed 1991·Granted Feb 27, 1996·19 cites·19 claims
- 0453US5720584ATool for producing a crown wheel which can mesh with a pinion with oblique teeth, and method of producing such a crown wheelCROWN GEAR BV·Filed 1994·Granted Feb 24, 1998·17 cites·6 claims
- 0543US5791840AMethod of producing a crown wheelCROWN GEAR BV·Filed 1994·Granted Aug 11, 1998·12 cites·6 claims
- 0638US6041670AGear transmissionCROWN GEAR BV·Filed 1998·Granted Mar 28, 2000·7 cites·10 claims
- 0737US5931612AHob cutter for machining face gears, and method for manufacturing such a toolCROWN GEAR BV·Filed 1997·Granted Aug 3, 1999·8 cites·5 claims
- 0834US5611233ATransmission unit for driving two shafts lying essentially parallelCROWN GEAR BV·Filed 1993·Granted Mar 18, 1997·5 cites·8 claims
- 0933US5411431AMethod for crown gear grinding by generationCROWN GEAR BV·Filed 1991·Granted May 2, 1995·6 cites·6 claims
- 1029US5622459ATool for manufacturing crown wheelsCROWN GEAR BV·Filed 1994·Granted Apr 22, 1997·3 cites·6 claims
- 1127US5288179AHob for generating face gearsCROWN GEAR BV·Filed 1990·Granted Feb 22, 1994·3 cites·4 claims
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