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| Patents for B21H 5 - Making gear wheels (1,111) |
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| 03/28/1978 | US4080699 Apparatus and method for burnishing gears | | 01/10/1978 | US4067218 Apparatus and method and means for removing surface defects from a workpiece | | 11/22/1977 | US4058999 Gear rolling equipment | | 09/06/1977 | US4045988 Rotary forming machine and tool | | 09/06/1977 | US4045987 Gear rolling equipment | | 06/14/1977 | US4028922 Apparatus and method for splining power transmission members | | 06/14/1977 | US4028921 Tooth forming rack with replaceable inserts | | 05/10/1977 | US4022044 Machines for centerless cold rolling of gears | | 10/12/1976 | US3985012 Apparatus for finish rolling bevel pinions and gears | | 09/28/1976 | US3982415 Forming method and machine for splining power transmission members | | 09/14/1976 | US3979859 Method of making tooth generating tool |
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