Patents for H01F 7 - Magnets (20,067)
05/1978
05/30/1978US4091784 Fuel injection systems for internal combustion engines
05/23/1978US4091362 Bias structure to efficiently package a magnetic bubble domain device
05/23/1978US4091348 Solenoid device for electromagnetically operated valve
05/23/1978US4091260 Stress wave generating coil
05/16/1978US4090162 Magnetic anchoring apparatus
05/16/1978US4090097 Electromagnetic devices
05/09/1978US4088213 Apparatus for transporting cylindrical steel articles
05/02/1978US4087773 Encapsulated solenoid
03/1978
03/28/1978US4081774 Actuating device
03/21/1978US4080552 Hybrid blocking oscillator for an electromagnetic fuel pump
03/21/1978US4080542 High density flux magnetic circuit
03/07/1978US4078220 Contactor having means to inhibit contact welding caused by jamming of the armature
03/07/1978US4077507 Metal sheet conveyor with linear electric motor and ground-effect shoe
02/1978
02/28/1978US4077027 Method of oriented feeding of nonmagnetic current-conducting components and devices for effecting same
02/28/1978US4075948 Rapid transit system
02/07/1978US4072919 Solenoid construction
02/07/1978US4072918 Bistable electromagnetic actuator
01/1978
01/31/1978US4071877 Drive circuit
01/31/1978US4071042 Electromagnetic actuator, notably for hydraulic servo-control valve
01/17/1978US4069476 Arrangement for producing a constant magnetic field
01/10/1978US4068219 Magnetic domain bias field assembly
01/10/1978US4067541 Water valve operating solenoid
01/10/1978US4067296 Magnetic roller
01/10/1978US4067216 Inductor for magnetic pulse shaping of metals
01/03/1978US4067055 High-speed inductance driver
01/03/1978US4065974 Spring system comprising an adjustable spring
12/1977
12/27/1977US4065739 Reversible direction solenoid assembly
12/20/1977US4063970 Method of making permanent magnets
12/06/1977US4061767 Cyano acetic acid anilide derivatives, process for their manufacture and compositions containing these compounds
11/1977
11/22/1977US4059844 Solenoid driver circuit
11/22/1977US4059775 Linear motor
11/15/1977US4058782 Method and apparatus for compensation of interference magnetic fields
11/15/1977US4058335 Magnetic sheet the magnetic attraction of which is strengthened
11/08/1977US4057744 Electromagnetic devices
11/01/1977US4056770 Dynamo electric machine permanent magnet flux test apparatus which simulates actual flux conditions of the motor
11/01/1977US4056258 Actuating device with electronic control for injectors of liquid mixers
11/01/1977US4056178 Magnetically actuated viscous fluid coupling
10/1977
10/25/1977US4055824 Switchable permanent magnetic holding devices
10/25/1977US4055823 Electromagnetic valve assembly means
10/25/1977US4055732 Inboard type magnetic system for electro-dynamic transducer
10/18/1977USRE29451 Light colored magnetic rubber
10/11/1977US4053858 Magnet system for an electromagnetic relay
10/11/1977US4053111 Apparatus and method for producing distributed stator windings
09/1977
09/20/1977US4050043 Electromagnetic system
09/20/1977US4049937 Inductor for working metals by pressure of pulsating magnetic field
09/20/1977US4049475 SECo5 -Permanent magnet joined to at least one iron mass and method of fabricating such a permanent magnet
09/13/1977US4048665 Driver circuit for printer electromagnet
09/13/1977US4048555 Spin resonance spectrometer and magnet structure
09/06/1977US4047136 Moving magnet type instrument
09/06/1977US4047068 Synchronous plasma packet accelerator
09/06/1977US4046591 Method for cleaning the epidermis using a magnetic field
08/1977
08/30/1977US4045756 Segmented expansion absorber for lifting magnet
08/23/1977US4044324 Coil compressed plunger cavity components for a wet type solenoid
08/23/1977US4044323 Damped solenoid
08/16/1977US4042898 Pole piece for use in magnet device and method for manufacturing same
08/16/1977US4042897 A-C magnet with a shorting ring
08/09/1977US4041546 Solenoid driver circuit
08/09/1977US4041430 Coil bobbin and matching cover for solenoid assembly
08/09/1977US4041429 Electromagnetic actuator
08/09/1977US4040681 Magnetically levitated object
07/1977
07/26/1977US4038623 Electromagnet with terminals
07/26/1977US4038622 Superconducting dipole electromagnet
07/05/1977US4033500 Electromagnetic stapler and safety trigger therefor
06/1977
06/28/1977US4032828 Battery back-up system for electromagnets
06/28/1977US4032823 Supply circuit for electromagnets
06/21/1977US4030579 Lineal lock for X-ray apparatus
06/21/1977US4030441 Device for connecting tugboat with ship to be tugged
06/14/1977US4030056 Core for an electromagnet having shading coils cast in situ
05/1977
05/31/1977US4027298 Magnetic bubble memory bias magnet arrangement
05/31/1977US4026086 Building brick
05/24/1977US4025887 AC solenoid with split housing
05/10/1977US4022174 Electromagnetically actuated pumps
05/03/1977US4021706 Power transmission
05/03/1977US4020652 Selector mechanisms
04/1977
04/26/1977US4020436 Lifting magnet for layered pipe
04/26/1977US4020433 Release type electromagnetic device
04/26/1977US4020412 High-efficiency transfer of magnetic energy
04/26/1977US4020370 Electric motor for general purposes
04/19/1977US4019123 Magnetic amplifier arrangements
04/12/1977US4016965 Matrix print head and solenoid driver
03/1977
03/29/1977US4015174 Devices for magnetic control with permanent magnets
03/29/1977US4014289 Device for treating a web
03/08/1977USRE29150 Convergence coil assembly for color television
03/01/1977US4010434 Ferrite of barium, strontium or lead
03/01/1977US4010396 Direct acting plasma accelerator
03/01/1977US4010390 Electromagnetic actuator comprising a plunger core
02/1977
02/22/1977US4009459 Resin-empotted dry-type electromagnet for dusty and gassey locations
02/15/1977US4008448 Solenoid with selectively arrestible plunger movement
02/01/1977US4006386 Monitor and safety device for coil shifting circuit
01/1977
01/25/1977US4004505 Electromagnetic striker mechanism for a printer
01/25/1977US4004343 Method of making core tubes for solenoids
01/18/1977US4004262 Electromagnet for providing balanced friction face pressures on an armature in a vehicle electric brake system
01/18/1977US4004258 Position indicating pulse latching solenoid
01/11/1977US4003013 Electromagnetic devices
01/11/1977US4002318 Electromagnetic pressure control valve for incompressible media
01/04/1977US4001844 Exposure control system
01/04/1977US4001615 Electrically actuated piezoelectric high voltage impact mechanism
12/1976
12/28/1976US4000481 Magnetic latch with shunt path barrel
12/21/1976US3998425 Electromagnet assembly for safety valve
12/14/1976USRE29081 Electromagneto-mechanical actuator