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

Icon_funbox Bizarre Patents

Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

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 417/326 - Including means for selectively varying motor speed or rotary motor direction


Subclass of Class 417 - Pumps
Definition: Apparatus in which there is provided motor control means
No. of applications: 8
Last issue date: 09/22/2011


Application No.Application TitleIssue Date
20110228471FAN CONTROL SYSTEM AND METHOD
One embodiment provides a system for controlling one or more pulse width modulated (PWM) fans. The system can include a control system configured to provide a voltage control signal corresponding to a DC output voltage for the one or more PWM fans. A variable DC voltage...
09/22/2011
20110027105OIL PUMP FOR AN AUTOMATIC TRANSMISSION AND CONTROL METHOD THERETO
A transmission oil pump for an automatic transmission of a motor vehicle. The speed of the oil pump can be shifted by a transmission (2), that is arranged between the drive motor of the motor vehicle and the transmission oil pump, to a fast-running mode or a slow...
02/03/2011
20100143161Quad Chamber Mixing Pump
A pair of dual chamber mixing pumps are combined which allow for a constant dispense rate profile using motor speed modulation. Each pump is divided into two chambers, the proximal chamber and the distal chamber. The chambers are defined in part by a piston having proxi...
06/10/2010
20100054964Rotating Speed Adjustment Circuit and Related Control System for a Heat Dissipation Fan
A rotating speed adjustment circuit for a heat dissipation fan includes a first node, a second node, a reception end for receiving a first control signal, a first resistor coupled to a voltage source and the first node, a second resistor coupled to the first node and th...
03/04/2010
20080310969DUAL CHAMBER MIXING PUMP
A dual chamber mixing pump design is disclosed which allows two different sources of fluid to be combined into one mixed product fluid. The pump is divided into two chambers, the proximal chamber and the distal chamber. The chambers are defined in part by a piston havin...
12/18/2008
20080101962Vacuum pump
A vacuum pump includes at least two stages (2, 3), a motor (8) for driving pump-active elements of the two stages (2, 3), a transmission unit (7) for transmitting driving power from the motor (8) to the pump-active elements, a motor co...
05/01/2008
20070274844PROCESS AND DEVICE FOR GENERATING SIGNALS WHICH CAN BE TRANSMITTED IN A WELL
In a process for generating signals which can be transmitted from above ground to a receiver located below ground in a well, the volume flow of a fluid pump (1) arranged above ground, which conveys fluid from a fluid tank (8) through the interior of a dril...
11/29/2007
20050025637Direction control device for a ceiling fan
A direction control device for a ceiling fan has a direction control circuit arranged in a switch box of the ceiling fan and a remote receiver placed in a place exterior of the ceiling fan. Conducting wires are electrically connected between the direction control circui...
02/03/2005
 
Sign InRegister
Username  
Password   
forgot password?