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

Icon_funbox Bizarre Patents

Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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 318/558 - MISCELLANEOUS


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter not classifiable in any of the preceding
No. of patents: 94
Last issue date: 11/01/2011


    3  
NumberTitleIssue Date
4874994Control circuit for a controller for use with a controlled element
To control a reversible element (E), such as a motor and especially a motor operating a tape recorder tape transport, actual operating level input signals in form of timed pulses, depending on speed, and operating sign input signals are applied to a contr...
10/17/1989
4841206Speed control device for an electronic sewing machine
Variable potential and breaking detection potential of a controller in a sewing machine are respectively subjected to analog-to-digital conversions, thereby to make it possible that the breaking detection of the controller and correction of dispersions of...
06/20/1989
4797600Magnetic drive control system for a multiple cooling fan installation
A multiple cooling fan installation in which a master fan is driven by a brushless electric drive motor, and at least one slave fan having blades positioned adjacent the blades of the master fan is driven by magnetic coupling between such adjacent blades....
01/10/1989
4739233Motor control for an ice dispensing apparatus
A motor control for a refrigeration apparatus having a cabinet, a door to the cabinet, a source of ice pieces located in the cabinet, means located in the door for dispensing the ice pieces, a power source having a supply terminal and a ground, a motor an...
04/19/1988
4656404Turbine-diven linear controller for electromechanical device and method
A turbine-driven apparatus and method for generating and linearly controlling periodic bipolar drive signals to drive an electromechanical device, such as a DC motor, in response to an input command signal. The apparatus comprises a rotatable cylindrical ...
04/07/1987
4644235Control apparatus for automotive power-operated convertible roof
A control apparatus for an automotive power-operated convertible roof includes means for detecting movement of a vehicle, drive means for opening and closing the automotive convertible roof, a relay for preventing the opening and closing of the convertibl...
02/17/1987
4631463Linear controller for electrochemical device and method
An apparatus for and method of generating and linearly controlling periodic bipolar drive signals to drive an electromechanical device, such as a DC motor. The apparatus comprises side-by-side coaxial primary and secondary cylindrical commutators electric...
12/23/1986
4628236Electric motor control
This disclosure relates to an electric motor control designed for attachment to a support wall or to a pressure switch. The control comprises a support having a base portion and a mounting portion. The base portion has a plurality of electrical terminals ...
12/09/1986
4604558Motor drive assembly having a floating switch actuator
A motor drive assembly includes a stationary housing, a shaft rotatably carried by the housing for driving a load, a gear box rotatably carried by the shaft, and an electric motor in the gear box having a rotor coupled by a gear train to the shaft. A swit...
08/05/1986
4512626Rotating mirror scanner
In a rotating mirror scanner, a polygonal mirror is fixed between a pair of journals of a spindle. A rotor is fixed on the spindle, and a rotor magnet constituting a magnetic thrust bearing is fixed to one end of the spindle. One bearing of a dynamic pres...
04/23/1985
4278922Assembly for generating adjustment movements at automobile ventilation devices
An assembly which is to be used for generating adjustment movements on automobile ventilation devices driven by electric motors. The assembly is especially designed for use on roof openings or sunroofs closeable by a lid. The assembly is characterized in ...
07/14/1981
4260939Low cost electromechanical electronic simulation circuits
These circuits produce light, sound and similar effects in models or toys by taking advantage of current modulation produced in a commutator circuit of a two-pole motor which may be used to provide motion for at least a part of the model or toy incorporat...
04/07/1981
4200828Pivoted arm control arrangement
Apparatus for controlling the movement of a phonograph arm, pivoted for movement in horizontal and vertical planes, so as to maintain a desired stylus pressure. Displacement of the stylus resulting, for example, from passages of heavy modulation is used t...
04/29/1980
4170121Protective device for roll stands and the like
A protective device for preventing a machine, such as a reversing roll stand, from receiving a new workpiece unless the machine has been reset after the previous workpiece leaves. The device includes an electronic circuit which is set automatically when t...
10/09/1979
    3  
 
Sign InRegister
Username  
Password   
forgot password?