LandOfFree - US Patents - Listing for Pumps,Expansible chamber type

Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space

Airless paint sprayer intake dampener

Pumps – Expansible chamber type – Valved piston

Airlift piston mechanism

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed

Ambulatory infusion pump

Pumps – Expansible chamber type – Valved piston

Anchorable pack-off assembly

Pumps – Expansible chamber type – Valved piston

Angled flow ports for reciprocating piston pump

Pumps – Expansible chamber type – Pumping member position controlled port

Angled-edge controlled fuel injection pump for internal combusti

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

Annular support for a seal for a tilt piston

Pumps – Expansible chamber type – Fluid serially moved to opposite side of pumping member

Apparatus and method for reducing gas lock in downhole pumps

Pumps – Expansible chamber type – Pumping member position controlled port

Apparatus comprising a turbine and associated water extractor an

Pumps – Expansible chamber type – Pumping member position controlled port

Apparatus for compressing fluid

Pumps – Expansible chamber type – Liquid coolant introduced into gas pump chamber or inlet

Apparatus for controlling gas temperature in compressors

Pumps – Expansible chamber type – Including valve assembly – disassembly – or inspection...

Apparatus for conveying paints

Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space

Apparatus for dampening pump pressure pulsations

Pumps – Expansible chamber type – Having pulsation dampening fluid receiving space

Apparatus for dampening pump pressure pulsations

Pumps – Expansible chamber type – Elongated flexible chamber wall progressively deformed

Apparatus for injecting fluids

Pumps – Expansible chamber type – Distributor formed from integral portion of flexible wall...

Apparatus for repetitively dispensing a measured volume of liqui

Pumps – Expansible chamber type – Valve in collapsible wall pumping member

Apparatus for transferring fluid medium

Pumps – Expansible chamber type – Plural pumping chambers

Apparatus for transferring metered quantities of material from o

Pumps – Expansible chamber type – Pumping member position controlled port

Apparatus for use as a gas compressor or blower