A magnetic field system for producing an interruptible geometrically patterned magnetic field at a surface, including a surface member including a surface, a magnetic member situated exterior to the surface member, including a geometrically patterned array of magnets, the magnetic member being reversibly mounted in sufficient proximity to the surface member to produce a corresponding geometrically patterned magnetic field extending through the surface, the geometrically patterned array of magnets including magnets selected form the group consisting of permanent magnets, electromagnets, and a combination thereof, the geometrically patterned magnetic field being interruptible by the removal of the magnetic member to a location sufficiently distant from the surface member to withdraw the geometrically patterned magnetic field from the surface, or by the depowering of the powered electromagnets. A gravity separation system for separating and recovering metal particles from a liquid stream of suspended particles to be separated. A method for the gravity separation and recovery of metal particles from a liquid stream with a gravity recovery system.

A magnetic field system for producing an interruptible geometrically patterned magnetic field at a surface, including a surface member including a surface, a magnetic member situated exterior to the surface member, including a geometrically patterned array of magnets, the magnetic member being reversibly mounted in sufficient proximity to the surface member to produce a corresponding geometrically patterned magnetic field extending through the surface, the geometrically patterned array of magnets including magnets selected form the group consisting of permanent magnets, electromagnets, and a combination thereof, the geometrically patterned magnetic field being interruptible by the removal of the magnetic member to a location sufficiently distant from the surface member to withdraw the geometrically patterned magnetic field from the surface, or by the depowering of the powered electromagnets. A gravity separation system for separating and recovering metal particles from a liquid stream of suspended particles to be separated. A method for the gravity separation and recovery of metal particles from a liquid stream with a gravity recovery system.

A magnetic substance separation device is configured for attracting magnetic substances in a sample within a sample container. The magnetic substance separation device includes a casing and at least one magnetic component assembly. The casing has at least one accommodation compartment. The at least one magnetic component assembly is disposed in the at least one accommodation compartment, and the at least one magnetic component assembly includes at least four cubic magnetic components. In addition, the at least four cubic magnetic components are linearly arranged with different magnetization directions, allowing magnetic field lines of the at least one magnetic component assembly to concentrate on one side, such that the at least one magnetic component assembly forms at least one strong magnetic surface on the casing. The at least one strong magnetic surface is configured to attract the magnetic substances in the sample within the sample container.

A magnetic substance separation device is configured for attracting magnetic substances in a sample within a sample container. The magnetic substance separation device includes a casing and at least one magnetic component assembly. The casing has at least one accommodation compartment. The at least one magnetic component assembly is disposed in the at least one accommodation compartment, and the at least one magnetic component assembly includes at least four cubic magnetic components. In addition, the at least four cubic magnetic components are linearly arranged with different magnetization directions, allowing magnetic field lines of the at least one magnetic component assembly to concentrate on one side, such that the at least one magnetic component assembly forms at least one strong magnetic surface on the casing. The at least one strong magnetic surface is configured to attract the magnetic substances in the sample within the sample container.

Devices for monitoring cancerous cells in blood of a patient that are preloaded with a marker and a magnetic agent and removing them are provided. The device comprises a tray onto which blood withdrawn from the patient flows before returned to the patient; a magnet placed at a distance from the tray so that the blood on the tray is within a magnetic field of the magnet and the cancerous cells that are preloaded with the magnetic agent are forced to move from the blood on the tray towards the magnet. A detector configured to detect the marker in the cancerous cells in the blood on the tray is provided as well and a filter that is placed between the tray and the magnet so as to capture the cancerous cells that are forced to move towards the magnet and remove them from the blood of the patient.

Devices for monitoring cancerous cells in blood of a patient that are preloaded with a marker and a magnetic agent and removing them are provided. The device comprises a tray onto which blood withdrawn from the patient flows before returned to the patient; a magnet placed at a distance from the tray so that the blood on the tray is within a magnetic field of the magnet and the cancerous cells that are preloaded with the magnetic agent are forced to move from the blood on the tray towards the magnet. A detector configured to detect the marker in the cancerous cells in the blood on the tray is provided as well and a filter that is placed between the tray and the magnet so as to capture the cancerous cells that are forced to move towards the magnet and remove them from the blood of the patient.

A gravity clean-off magnetic sweeper apparatus that connects to the front of industrial equipment or industrial vehicles where a bucket would normally go. The magnetic sweeper is lifted off the ground slightly and driven around an area to pick up metal debris. The collected debris is then cleaned off of the bottom of the invention by lifting it with the machine and pivoting it downward. As the magnetic sweeper is pivoted downward, the mass of the magnets, which is greater than its attraction force to the metal debris attached to the pan in between the magnet and the debris, allows the magnet to hang vertically, as the pan is forced away from the magnet. This removes the metal debris away from the magnetic field and allows it to fall from the magnetic sweeper.

A gravity clean-off magnetic sweeper apparatus that connects to the front of industrial equipment or industrial vehicles where a bucket would normally go. The magnetic sweeper is lifted off the ground slightly and driven around an area to pick up metal debris. The collected debris is then cleaned off of the bottom of the invention by lifting it with the machine and pivoting it downward. As the magnetic sweeper is pivoted downward, the mass of the magnets, which is greater than its attraction force to the metal debris attached to the pan in between the magnet and the debris, allows the magnet to hang vertically, as the pan is forced away from the magnet. This removes the metal debris away from the magnetic field and allows it to fall from the magnetic sweeper.