| Patents for H01F 7 - Magnets (20,067) |
|---|
| 02/10/1981 | US4250478 Manually controlled magnetic lifting device |
| 02/05/1981 | WO1981000324A1 Control buttons with magnetic capsule |
| 01/27/1981 | CA1094621A1 Axial electromagnetic bearing |
| 01/20/1981 | US4246621 Energizing circuit for solenoid valve |
| 01/20/1981 | CA1094206A1 Blocking oscillator for use with electromagnetic pump |
| 01/20/1981 | CA1094134A1 Three pole electromagnet |
| 01/14/1981 | EP0022395A1 Permanent magnet for bistable element and bistable element and data display units provided with at least one such element |
| 01/13/1981 | US4245058 Polycarbonate compositions |
| 01/13/1981 | US4244424 Magnetic casing depth marker |
| 01/13/1981 | CA1093382A1 Matrix print wire solenoid |
| 01/07/1981 | EP0021335A1 Electromagnetic device for driving a print element |
| 01/07/1981 | EP0020975A1 Driving circuit for the supply of a current to a coil and its use in a printing device |
| 01/06/1981 | US4243899 Linear motor with ring magnet and non-magnetizable end caps |
| 12/30/1980 | USRE30466 Method and device for generating a magnetic field of a potential with electric current components distributed according to a derivative of the potential |
| 12/30/1980 | US4242658 Magnetic actuator using modulated flux |
| 12/30/1980 | US4242606 Magnetic final control element for a regulator apparatus |
| 12/30/1980 | CA1092696A1 Automatic resetting control circuit for air switch operator |
| 12/16/1980 | US4240056 Multi-stage solenoid actuator for extended stroke |
| 12/16/1980 | US4240055 Release type electromagnetic device for camera |
| 12/16/1980 | EP0016816A4 An apparatus and method for producing cyclic motion. |
| 12/16/1980 | CA1091742A1 Compact fail-safe buzzer |
| 12/10/1980 | EP0020193A1 Apparatus for controlling the actuation of at least one electromagnetic fuel injector |
| 12/10/1980 | EP0019890A1 Circuit arrangement for driving electromagnets in recording devices used in the telewriter technique |
| 12/10/1980 | EP0019706A1 Print element actuator for a wire printer |
| 12/09/1980 | US4238813 Compensated dual injector driver |
| 12/09/1980 | US4238752 Magnetizing device |
| 12/09/1980 | US4238699 Electro-magnetic devices |
| 12/09/1980 | US4238698 Electromagnetic devices |
| 12/09/1980 | US4238658 Method of assembly of nonmagnetic current-conducting components |
| 12/09/1980 | CA1091314A1 Attractive type electromagnetic device for magnetic levitation running vehicles |
| 12/02/1980 | US4237439 Release electromagnet assembly |
| 11/26/1980 | EP0018992A1 An electromagnet for automatic handling of iron objects. |
| 11/25/1980 | US4236132 Electromagnetic switch means for a flow control device and the like having reduced shock levels |
| 11/25/1980 | US4236131 Electromagnet with plunger-type armature and a method for the production thereof |
| 11/25/1980 | US4236130 Solenoid actuator having a long stroke |
| 11/25/1980 | US4235153 Linear motion, electromagnetic force motor |
| 11/25/1980 | CA1090414A1 Electromagnetic dent remover with electromagnetic localized work coil |
| 11/25/1980 | CA1090405A1 Permanent magnet magnetic control device having two control air gaps |
| 11/25/1980 | CA1090086A1 Method for producing a magnet plate for electroacoustic transducers |
| 11/14/1980 | EP0016196A4 A magnetic latch device for a clapper type contactor. |
| 11/12/1980 | EP0018484A1 Electromagnetic circuit with multiple-winding magnetic yoke |
| 11/11/1980 | US4233586 Disk pack bottom cover with magnetic latch |
| 11/11/1980 | US4233585 Plunger type electromagnet |
| 11/11/1980 | US4233584 Fluid-sealed, electromagnetic valve operating structure, particularly for combustion engine fuel injection system |
| 11/11/1980 | US4233583 Flux shielded solenoid |
| 11/04/1980 | US4232084 Sheets containing microencapsulated color-coded micromagnets |
| 11/04/1980 | US4231340 Exhaust gas recirculation control system for internal combustion engine |
| 11/04/1980 | CA1088985A1 Eddy-current retarders for motor vehicles whose stator comprises a ring of electro-magnets |
| 10/29/1980 | EP0018352A1 Electric device or machine |
| 10/29/1980 | EP0017710A1 Control circuit for impulse magnet |
| 10/29/1980 | EP0017654A1 Control device for energizing and de-energizing inductances such as electromagnets or the like |
| 10/21/1980 | CA1088139A1 System for mounting an armature |
| 10/16/1980 | WO1980002215A1 Permanent magnet generator |
| 10/15/1980 | EP0016960A1 Anisotropic polymeric magnet in the tubular form and process for producing the same |
| 10/15/1980 | EP0016816A1 An apparatus and method for producing cyclic motion. |
| 10/14/1980 | US4228416 Composite magnet and magnetic anchoring |
| 10/14/1980 | US4228415 Compact solenoid with pin terminals |
| 10/14/1980 | US4227783 Device for stopping or fixing moving or mobile components |
| 10/14/1980 | US4227726 Door operating equipment |
| 10/07/1980 | US4227164 Electromagnetic rotating apparatus |
| 10/07/1980 | US4226545 Electromagnetic drive for recording pins in a matrix printer |
| 10/07/1980 | US4226427 Magnetic-control closure system |
| 10/01/1980 | EP0016196A1 A magnetic latch device for a clapper type contactor. |
| 09/30/1980 | US4225171 Electromagnet tool for retrieving magnetic objects from an earth cavern |
| 09/23/1980 | US4224654 Relay driver circuit |
| 09/17/1980 | EP0015783A1 Linear electric motor |
| 09/16/1980 | US4223290 Electromagnetic device of the flat package type |
| 09/09/1980 | US4222021 Magnetic apparatus appearing to possess only a single pole |
| 09/09/1980 | US4222004 Inductive transformer-type storage device |
| 09/09/1980 | US4221163 Magnetic hysteresis driven recording element and method |
| 09/02/1980 | US4220878 Drive-frame support mechanism for force motor |
| 08/26/1980 | US4219863 Drive circuit for solenoid pump |
| 08/26/1980 | CA1084636A1 Sealing of containers in a controled atmosphere by magnetic welding |
| 08/19/1980 | US4218669 Adjustable short stroke solenoid |
| 08/12/1980 | US4217568 Magnetic pole pieces for use in a nuclear magnetic resonance apparatus |
| 08/12/1980 | US4217567 Tubular solenoid |
| 08/12/1980 | US4217507 Linear motor |
| 08/12/1980 | CA1083662A1 Solenoid driver circuit |
| 08/12/1980 | CA1083414A1 Matrix print head and solenoid driver |
| 08/05/1980 | US4216454 Plunger-type electro-magnetic actuator |
| 07/29/1980 | US4215297 Electromagnetic percussion appliance |
| 07/29/1980 | US4214836 Impact print head |
| 07/23/1980 | EP0013637A1 Electrical D.C. supply circuit with polarity inversion control and adjustable voltage for an autonomous electromagnetic hoisting device |
| 07/22/1980 | CA1082300A1 Resin-empotted dry-type electromagnet for dusty and gassey locations |
| 07/22/1980 | CA1082202A1 Cyano acetic acid anilide derivatives, process for their manufacture and compositions containing these compounds |
| 07/15/1980 | US4213092 NMR Spectrometer with superconducting coil having rectangular cross-section wire |
| 07/15/1980 | US4212169 Cryostat for superconducting NMR spectrometer |
| 07/09/1980 | EP0012812A1 Magnetic modulated-flux actuator |
| 07/08/1980 | US4211992 Positioning means for limited rotation motor |
| 07/08/1980 | US4210994 Method of manufacturing a cooled lifting magnet with damped eddy currents |
| 07/08/1980 | CA1081104A1 Flux concentrator for electromagnetic pulling |
| 07/01/1980 | US4210890 Field assembly for an electromagnet |
| 07/01/1980 | US4210859 Inductive device having orthogonal windings |
| 07/01/1980 | US4210116 Electromagnetically actuated pumps |
| 06/24/1980 | US4209848 Magnetic domain device shield |
| 06/24/1980 | CA1080286A1 Contactor having means to inhibit contact welding caused by jamming of the armature |
| 06/24/1980 | CA1080066A1 Magnetically actuated viscous fluid coupling |
| 06/17/1980 | US4208656 Battery lift magnet control |
| 06/10/1980 | CA1079120A1 Non-linear spring design for matrix type printing |
| 06/03/1980 | US4206433 Universal impedance power apparatus |