| Patents for F16D 13 - Friction clutches (12,158) | 
|---|
| 05/03/1977 | US4020937 Fabricated clutch pressure plate | 
| 04/19/1977 | US4018320 Clutch disk for motor vehicle main clutches | 
| 04/12/1977 | US4016962 Vibration resistant mechanical clutch | 
| 04/12/1977 | US4016642 Method of making clutch housing and bearing assembly | 
| 03/29/1977 | US4014802 Oil-impregnated sintered product and method of producing same | 
| 03/29/1977 | US4014619 Retainer ring and splined member assembly | 
| 03/29/1977 | US4014423 Clutch plate for a friction clutch | 
| 03/15/1977 | US4011930 Means to present lubricating and cooling fluid to friction material in a wet brake system | 
| 03/08/1977 | US4010831 Transmission friction plate and device | 
| 02/08/1977 | US4006809 Oil-impregnated sintered clutch hub | 
| 01/25/1977 | US4004669 Clutch assembly with floater plate and shock canisters | 
| 01/04/1977 | US4000794 Control member for a clutch disk of a motor vehicle main clutch | 
| 11/30/1976 | US3994379 Self-adjusting electromagnetic clutch | 
| 11/30/1976 | US3994378 Friction-type multi-disk engaging device | 
| 11/09/1976 | US3990554 Normally engaged spring clutch assembly drivable through either clutch drum | 
| 10/26/1976 | US3987880 Wrap around spring clutch | 
| 10/12/1976 | US3985212 Spring wrap clutch with brake | 
| 10/05/1976 | US3983982 Clutch disk for motor vehicle main clutches | 
| 10/05/1976 | US3983972 Friction disc apparatus | 
| 09/28/1976 | US3982617 Clutch disc for main clutches of motor vehicles | 
| 09/28/1976 | US3982614 Clutch release bearing monitoring device | 
| 09/21/1976 | US3981381 Self-contained multiplate wet clutch | 
| 09/14/1976 | US3979975 Indexing clutch mechanism | 
| 09/07/1976 | US3978955 Axially and radially rigid support plate for diaphragm clutch | 
| 09/07/1976 | US3978954 Coil spring type over-cover clutch | 
| 09/07/1976 | US3978947 Clutch brake unit | 
| 09/07/1976 | US3978693 Belt drive mechanism for automatic clothes washing machine | 
| 08/31/1976 | US3977504 Shot-peened diaphragm clutch spring | 
| 08/31/1976 | US3977503 Clutch | 
| 08/24/1976 | US3976174 Clutch disc with coaxial brake | 
| 08/17/1976 | US3974903 Resilient torsion dampeners for clutch discs | 
| 08/10/1976 | US3973660 Transmission device and cam actuator therefore | 
| 08/03/1976 | US3972400 Friction disc for clutches and the like | 
| 07/27/1976 | US3971545 Fluid actuated dynamic brake | 
| 07/20/1976 | US3970175 Support for an actuating arm of a control element of a spring clutch | 
| 06/22/1976 | US3964587 Control valve for a wet clutch | 
| 06/22/1976 | US3964586 Clutch disc | 
| 06/22/1976 | US3964583 Mounting of cylinders in friction brakes and clutches | 
| 06/22/1976 | US3964326 One piece stamped pulley | 
| 06/15/1976 | US3963105 Bearing and clutch diaphragm assembly | 
| 05/25/1976 | US3958397 Torque limiting devices | 
| 05/18/1976 | US3957146 Automatic adjuster with cutter for friction couplings | 
| 04/27/1976 | US3952843 Spreading disc brake and cam actuator therefor | 
| 04/20/1976 | US3951393 Fulcrums for Belleville springs | 
| 04/06/1976 | US3948364 Single mixture metallic brake or clutch plate | 
| 03/30/1976 | US3946845 Clutch release clearance adjuster | 
| 03/02/1976 | US3941225 Speed limiting accessory drive system and apparatus therefor | 
| 02/24/1976 | US3939951 Diaphragm clutch spring having radial and rotational restraints | 
| 02/17/1976 | US3938636 Self-adjusting cover assembly for friction clutches improvement | 
| 02/17/1976 | US3938635 Driven plates for friction clutches | 
| 02/10/1976 | US3937412 Expanding outer sleeve for a mandrel or chuck | 
| 02/10/1976 | US3937299 Bolt head shroud | 
| 02/03/1976 | US3936552 Disc brake | 
| 01/27/1976 | US3934836 Mandrel assembly | 
| 01/27/1976 | US3934686 Carbon friction members having torque transmitting formations | 
| 01/20/1976 | US3933230 Clutch with disc release spring | 
| 01/13/1976 | US3931876 Clutch disk for motor vehicle main clutches | 
| 01/13/1976 | US3931874 Self-actuating friction-clutch assembly |