LandOfFree - US Patents - Listing for Fluid reaction surfaces (i.e., impellers)

Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use...

Hand-held electric fan

Fluid reaction surfaces (i.e. – impellers) – Ambulant – body supported or with carrying handle

Hand-portable fire fighting positive pressure blower

Fluid reaction surfaces (i.e. – impellers) – Ambulant – body supported or with carrying handle

Hand-portable fire fighting, positive pressure blower

Fluid reaction surfaces (i.e. – impellers) – Operator supported manually actuated type – Operation solely by direct hand manipulation

Handle structure for a flexible fan

Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure

Hanger assembly for ceiling fan

Fluid reaction surfaces (i.e. – impellers) – Combined or convertible – Hub lubrication or seal

Hanging fan with a ceiling mount structure

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate

Hard material impeller and methods and apparatus for...

Fluid reaction surfaces (i.e. – impellers) – Radially extensible or retractible rotor working member

Harmonic drive system for the retraction/extension of...

Fluid reaction surfaces (i.e. – impellers) – Ambulant – body supported or with carrying handle

Hat-mounted fan

Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure

Headpiece support for rotor of a rotary wing aircraft

Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure

Heat dissipating fan

Fluid reaction surfaces (i.e. – impellers) – Rotor having flow confining or deflecting web – shroud or... – Radially extending web or end plate

Heat dissipation device and its impeller thereof

Fluid reaction surfaces (i.e. – impellers) – Support mounting – carrier or fairing structure

Heat dissipation fan

Fluid reaction surfaces (i.e. – impellers) – With control means responsive to non-cyclic condition... – Impeller rotation speed responsive

Heat exchange means for obtaining temperature gradient balance

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means

Heat pipes

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means

Heat recovery type gas turbine rotor

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Heat transfer arrangement

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Heat transfer promotion structure for internally...

Fluid reaction surfaces (i.e. – impellers) – With heating – cooling or thermal insulation means – Changing state mass within or fluid flow through working...

Heat transferring cooling features for an airfoil