LandOfFree - US Patents - Listing for Pumps

Pumps – Motor driven – Electric or magnetic motor

Pumping unit for a liquid medium

Pumps – Including disengageable rotary or frangible drive connection

Pumping unit for extracorporeal haematic circulation, in particu

Pumps – Expansible chamber type – Mechanically actuated distributor

Pumping unit for the filling of container in packaging machines

Pumps – Motor driven – Pump and motor interconnected by endless flexible...

Pumping unit with speed reducing means

Pumps – One fluid pumped by contact or entrainment with another – Diverse pumps

Pumping-ejection apparatus

Pumps – One fluid pumped by contact or entrainment with another

Pumping-ejection apparatus and variants

Pumps – Processes – Of pumping one fluid by contact or entrainment with another

Pumping-ejector unit and process therefor

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...

Pumpjack dynamometer and method

Pumps – Condition responsive control of pump drive motor – Single motor control element responsive to means sensing...

Pumpjack dynamometer and method

Pumps – Motor driven – Fluid motor

Pumps

Pumps – Expansible chamber type – Having separate noncyclic valve

Pumps

Pumps – Motor driven – Fluid motor

Pumps

Pumps – Successive stages – Condition responsive control of fluid

Pumps

Pumps – Three or more cylinders arranged in parallel – radial – or...

Pumps

Pumps – With condition responsive pumped fluid control – Plural pump units with individual or relative control

Pumps

Pumps and filter assemblies with application to aquatic and...

Pumps – Combined

Pumps – Condition responsive control of drive transmission or pump... – Having means to hold or resist movement of pumping element

Pumps for fluids

Pumps for pumping molten metal

Pumps – Processes

Pumps – Expansible chamber type – Control by withdrawal or tilting of pump piston relative to...

Pumps for transferring small quantities of dosed liquids