U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."

Napoleon Bonaparte ; When told of the Robert Fulton steamboat

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 336/121 - Angularly and linearly movable coils


Subclass of Class 336 - Inductor devices
Definition: Subject matter wherein a coil is movable about an axis of
No. of patents: 10
Last issue date: 03/20/2012


NumberTitleIssue Date
8138875Inductively powered apparatus
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe...
03/20/2012
7639110Inductively powered apparatus
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe...
12/29/2009
7336157Illuminated wind indicator
An illuminated wind indicator that provides visual indication of wind motion even at night. One or more chime members and a pendulum assembly are suspended from a support or housing, and arranged so that the chime members and the pendulum assembly are capable of col...
02/26/2008
7233222Inductively powered apparatus
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe...
06/19/2007
7126450Inductively powered apparatus
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil to control the amount of powe...
10/24/2006
6831542Micro-electromechanical inductive switch
A micro-electro mechanical (MEM) switch capable of inductively coupling and decoupling electrical signals is described. The inductive MEM switch consists of a first plurality of coils on a movable platform and a second plurality of coils on a stationary platform or ...
12/14/2004
6512437Isolation transformer
An isolation transformer is provided having primary and secondary cores (2, 4) and primary and secondary coils (3, 5) with the primary coil and the secondary coil being disposed with a gap G provided therebetween. Each of the primary coil and the secondar...
01/28/2003
4754180Forceless non-contacting power transformer
A transformer for coupling electrical power from a stationary location to a moving location with a minimum of disturbance forces between the stationary and moveable components. The transformer is particularly adapted to coupling power to a magnetically su...
06/28/1988
4455555Control transducer
An inductive displacement transducer includes a primary and at least two secondary coils with a movable coupling member for varying the amount of mutual coupling therebetween as a function of the displacement of a movable member. The secondary coils are w...
06/19/1984
4223300Electro mechanical position indicator using relatively moveable coils
An electromechanical positioner indicator is provided which comprises first and second relatively movable parts, the first part including two oppositely facing surfaces which are everywhere equidistant and the second part including two surfaces which are ...
09/16/1980
 
Sign InRegister
Username  
Password   
forgot password?