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

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Air circulating fan and motor with separable safety guard

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Air intake cover for a blower vacuum apparatus

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Axial flow fan

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Axial ventilator housing

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Boat propeller cover

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Box fan with air divider ring

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Ceiling fan guard

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Cover for a fan

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Detachable electric fan

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Easily serviceable fan with universal subframe assembly and tens

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Expandable window fan

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan assembly

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan body assembly

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan for cooling a computer

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan grill assembly

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan grill construction

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan grill construction

Reissue Patent

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan grill construction

Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers

Fan guard apparatus