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The design and manufacturing studios at Dexter Magnetic Technologies have been awarded numerous US Patents for their magnetic design practices, theories and design considerations. Some of Dexter's patents can be downloaded and viewed below. If you are interested in learning more about these designs, please contact us.

Description Patent No. Date
Wellbore Motor Having Magnetic Gear Drive 7,481,283 B2 01-27-09
Method for Constructing Permanent Magnet Assemblies
7,373,716 B2 05-20-08 
Method and Apparatus for Magnetic Separation of Particles 7,258,799 B2 08-21-07
Rotating Sputtering Magnetron 7,182,843 B2 02-27-07
High Field Voice Coil Motor 7,135,792 B2 11-14-06
Method for Separating Magnetized Substances from a Solution 6,572,778 B2 06-03-03
Magnetic Separation Device 6,562,239 B2 05-13-03
Method and Apparatus for Magnetic Separation of Particles 6,514,415 B2 02-04-03
Method and Apparatus for Magnetic Separation of Particles 6,514,416 B1 02-04-03
Magnetic Cell Separation Device 6,451,207 B1 09-17-02
Magnetic Separation Device 6,413,420 B1 07-02-02
Uniform External Magnetic Field 6,249,200 B1 06-19-01
Magnetic Decoupler 6,084,498 07-04-00
Magnetic Decoupler 5,959,520 09-28-99
Single Dipole Permanent Magnet Structure 5,886,609 03-23-99
Permanent Magnet Structure in a Magnetron 5,865,970 02-02-99
Dipole Permanent Magnet Structure 5,635,889 06-03-97
Exposed Ferrite Core Impeder 4,531,035 07-23-85
Magnetic Decoupler 4,339,853 07-20-82
Magnetic Hysteresis Alloy 3,322,579 05-30-67
Double Ageing a Magnetic Hysteresis Alloy 3,259,530 07-05-66