LandOfFree - US Patents - Listing for Electricity: magnetically operated switches, magnets, and electr

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Work or object holding type

Fabricated lifting magnet assembly

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device

Fail-safe actuator with two permanent magnets

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices

Fail-safe residential circuit breaker

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Plural magnets or flux sources

False-trip-resistant circuit breaker

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices

Fast acting high force trip actuator

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Plural independently operable switches

Fast acting transfer switch with confronting power switches...

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Plural independently operable switches

Fast acting, electrically powered operator for transfer...

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices

Fast engage, slow release electrical actuator

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type

Fast superconducting magnetic field switch

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – For magnetizing or demagnetizing

Fastener attracting device for tool

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type

Fault current limiting superconducting coil

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices

Fault current tolerable contactor

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device

Fault detection indicator

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices

Fault interrupter

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices

Fault interrupter and load break switch

Electricity: magnetically operated switches – magnets – and electr – Permanent magnet-actuated switches

Fault tolerant solid state push button control system with...

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type

Feed connection for a superconductive coil

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Electron or ion beam deflecting type

Ferrite core, deflection yoke, and color picture tube apparatus

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material

Ferro-magnetic force field generator