| Patents for H02P 5 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors (4,788) |
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| 08/19/1980 | US4218735 Digital motor control system |
| 07/22/1980 | US4213583 Reel drive motor control system for cassette/cartridge tape recorders |
| 07/01/1980 | US4210038 Lathe having a guided movable cutter |
| 06/17/1980 | US4208620 Plural electric motors driving common load and having interconnections for load control |
| 06/17/1980 | US4208155 Gear cutting machine with a hob |
| 05/29/1980 | WO1980001115A1 Cigarette and cigarette filter making machines |
| 05/28/1980 | EP0011510A1 Cigarette and cigarette filter making machines |
| 04/08/1980 | CA1075349A1 Incremental digital control circuit |
| 04/01/1980 | US4196376 Rotary speed ratio control arrangement |
| 04/01/1980 | US4195446 Apparatus for the control of a tool in a gear processing machine |
| 12/11/1979 | US4178537 System for the production of an additional rotational motion of a helically toothed gear workpiece in a positively controlled gear processing machine |
| 10/30/1979 | US4173029 Protective circuit for selectively applying power to a motor |
| 10/16/1979 | CA1064574A1 Apparatus for synchronising ac-motors |
| 09/05/1979 | EP0003899A1 Apparatus for synchronizing rotary members |
| 08/28/1979 | US4166238 Control system for dual-motor drive |
| 08/22/1979 | EP0003563A1 Device for dosing at least two fluidisable reaction components in a mixing room |
| 07/03/1979 | US4160195 Tape control apparatus |
| 05/15/1979 | US4154425 Throttle valve for use in a gas turbine engine fuel control system |
| 05/08/1979 | CA1054216A1 Plural electric motors driving common load and having interconnections for load control |
| 04/04/1979 | EP0001297A1 Positioning device for at least two adjusting mechanism, especially for car seats |
| 03/27/1979 | US4146824 Low speed servo control |
| 02/20/1979 | CA1049164A1 Elevator motor control system for a.c. induction motor |
| 02/13/1979 | US4139872 Video signal reproducing apparatus with a track searching arrangement |
| 01/16/1979 | CA1046612A1 Multi-engine, articulated vehicle apparatus |
| 10/24/1978 | US4122377 Variable speed, alternating current motor unit and methods and apparatus for speed control of same |
| 10/24/1978 | CA1041197A1 Control system for controlling translational speed of carriage with respect to rotational speed of mandrel |
| 10/03/1978 | CA1039835A1 Motor control systems |
| 09/26/1978 | CA1039387A1 System for expanding and retracting telescoping seating row sections |
| 09/12/1978 | US4113045 All-electric a.c. tractor |
| 09/05/1978 | US4112479 Synchronizing control system |
| 08/29/1978 | US4110668 Thyristor pulse controller for plural loads |
| 08/15/1978 | CA1036662A1 Variable-speed three-phase drive |
| 08/15/1978 | CA1036661A1 Position synchronization of machines |
| 08/01/1978 | US4104537 Static converter equipment |
| 07/25/1978 | US4103210 Draw twisting machine |
| 07/25/1978 | US4102117 Wire twisting method and apparatus |
| 07/04/1978 | US4099107 Apparatus for synchronizing AC-motors |
| 07/04/1978 | US4099103 Apparatus for controlling the rotors of synchronous motors |
| 05/16/1978 | US4090119 Torque analog of a series wound DC traction motor |
| 04/11/1978 | US4084118 Synchrotransmission system controlled by Hall effect |
| 03/28/1978 | US4081037 Control system for a multiple spindle machine |
| 03/21/1978 | US4080656 Control device for machining webs |
| 03/14/1978 | US4079297 Open loop facsimile phasing system and method |
| 02/21/1978 | US4074579 Device for detecting differences in angular positions of two shafts rotating in opposite directions |
| 01/17/1978 | US4068741 Elevator motor control system for a.c. induction motor |
| 01/03/1978 | US4066936 Hybrid battery electric drive |
| 01/03/1978 | US4066933 Static switching device for two direct current machines |
| 12/27/1977 | US4065074 Reel servo control system |
| 12/06/1977 | US4061948 Or electrically braked motors of spinning machines |
| 12/06/1977 | US4061947 Speed control system for continuous strip manufacturing apparatus |
| 11/15/1977 | US4058755 Kramer system utilizing a commutatorless motor |
| 09/27/1977 | US4051416 Incremental digital control circuit |
| 08/16/1977 | US4042069 AC Elevator control system |
| 08/02/1977 | US4038890 Machine control system |
| 06/28/1977 | US4032824 Variable-speed 3-phase drive |
| 06/14/1977 | US4030006 Speed controllable drive for an asynchronous motor |
| 06/07/1977 | US4028597 Motor control systems |
| 04/12/1977 | US4017774 Bottle labeling system |
| 02/08/1977 | US4007028 Electronically controlled glassware-forming machine |
| 01/25/1977 | US4004648 Multi-engine, articulated vehicle apparatus |
| 12/28/1976 | US4000449 Electrical shaft system |
| 12/14/1976 | US3997828 Copy-repeater arrangement and method of adjusting the same |
| 12/14/1976 | US3997825 Method and apparatus for controlling synchronous motor |
| 12/14/1976 | US3997824 Electrical propulsion system and control arrangements therefor |
| 11/09/1976 | US3991350 Shaft angle adjustment of a synchronized tandem-press production line |
| 11/09/1976 | US3991349 Droop adjustable control apparatus for direct current motor drives |
| 11/02/1976 | US3989361 Film speed control for sound motion picture projector |
| 10/12/1976 | US3984986 Control System for synchronizing engines |
| 09/28/1976 | US3983467 Coarse/fine sheeter controls in particular and machine drive systems in general |
| 09/07/1976 | US3979084 Apparatus for level winding tubing |
| 08/17/1976 | US3974716 Method and arrangement for equalizing the speeds of a plurality of asynchronous motors jointly driving a single machine, particularly a mining machine |
| 07/27/1976 | US3971336 Control system for controlling translation speed of carriage with respect to rotational speed of mandrel |
| 07/13/1976 | US3968730 Method of and apparatus for synchronizing a plurality of fluid-operated rams |
| 07/06/1976 | US3967701 Multi-column lifting apparatus and synchronization control device for same |
| 06/29/1976 | US3967170 Position synchronization of machines |
| 05/25/1976 | US3959699 Bi-directional motor drive system |
| 05/11/1976 | US3956680 Electric copying control device for chip removing machine tools |
| 04/20/1976 | US3952235 Control system for electrodynamic mechanism |
| 04/13/1976 | US3950686 Series redundant drive system |
| 04/13/1976 | US3949655 Synchronization apparatus for box making machine |
| 04/06/1976 | US3949281 Control system |
| 03/16/1976 | US3944896 Phase synchronization system with start-up sequencing and automatic shut-down |
| 02/24/1976 | US3940677 Direct-current stepping motor drive system |
| 02/24/1976 | US3940674 Submarine or vehicle steering system |
| 02/10/1976 | US3938013 D. C. Motor control system effecting changes in the connections of the armature and variations in current flow through the field |
| 02/10/1976 | US3937409 Electric drive for fiber or thread winding machines and method of operating winding machines |
| 02/03/1976 | US3935971 Double pump device for mixing two or more liquids with variable relative ratios and concentrations |
| 01/20/1976 | US3934181 Solid state light responsive control system |