LandOfFree - US Patents - Listing for Pumps

Pumps – Motor driven – Electric or magnetic motor

Hair dryer with axial blower

Hall switch pump

Hall switch pump

Pumps – Changeable by assembly or disassembly

Hand air pump for different types of valves

Pumps – With signal – indicator – or inspection means

Hand air pump with pivotable pressure gauge

Pumps – Successive stages – Reciprocating rigid stages

Hand air pumps

Pumps – With signal – indicator – or inspection means

Hand bicycle pump with pressure preselection and display means

Pumps – Ambulant – body supported – or with carrying handle

Hand held pump device

Pumps – Ambulant – body supported – or with carrying handle

Hand held, self-powered pump

Reexamination Certificate

Pumps – Expansible chamber type – Valved piston

Hand operable pump

Reexamination Certificate

Hand operated bicycle pump

Pumps – Expansible chamber type

Hand operated floor pump with retractable stand

Pumps – Reverse flow with unidirectional drive or unidirectional...

Hand operated pump

Reexamination Certificate

Pumps – Expansible chamber type – Having separate noncyclic valve

Hand operated vacuum pump

Pumps – Expansible chamber type – Plural pumping chambers

Hand operated, dual chambered, pneumatic pump

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

Hand pump

Pumps – Expansible chamber type – Plural pumping chambers

Hand pump apparatus having two pumping strokes

Pumps – Expansible chamber type – Plural pumping chambers

Hand pump apparatus having two pumping strokes and having an att

Pumps – Expansible chamber type – Moving cylinder

Hand pump for pumping air of lower pressure and high pressure