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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Cooper; Robert D.
Address:
Elk River, MN
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
7018181 Swashplate pump March 28, 2006
A piston pump assembly with a rotatingly driven swashplate in driving relationship with a rocker arm and piston engaged with one end of the rocker arm. A spring urges the rocker arm and piston into contact with an annular ring carried by a bearing in the swashplate. The spring may be a
6933634 Fan baffle August 23, 2005
An improved cooling arrangement for an electric motor in a pump assembly, including a resilient fan baffle having a planar main surface and a pair of wings extending perpendicularly out from the main surface to direct airflow away from the motor when the fan baffle is installed on the mo
6599107 Piston pump having housing with a pump housing and a pump assembly drive housing formed therein July 29, 2003
A fluid pump for pumping a volume of fluid under pressure from a fluid source to a fluid dispenser includes an electric motor. A pump drive assembly is operably coupled to the motor for reducing an output of the motor. A pump assembly is operably coupled to the pump drive assembly and
6435846 Piston pump having housing with a pump housing and a pump assembly drive housing formed therein August 20, 2002
A fluid pump for pumping a volume of fluid under pressure from a fluid source to a fluid dispenser includes an electric motor. A pump drive assembly is operably coupled to the motor for reducing an output of the motor. A pump assembly is operably coupled to the pump drive assembly and
6419456 Switch for controlling the motor of a piston pump July 16, 2002
A fluid pump having a motor operably coupled to a pump assembly, the motor and pump assembly acting cooperatively to pressurize a fluid includes a pressure switch being in communication with the fluid under pressure and being in communication with the motor for sensing the fluid pressure
6276907 Hydraulically driven diaphragm pump August 21, 2001
A diaphragm pump for pumping a fluid, such as paint, includes a diaphragm separating a first chamber for accommodating and dispensing the paint from a second chamber for accommodating a drive fluid, and a piston that reciprocates to drive the drive fluid within the second chamber in orde










 
 
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