Patent assignee · GB · COMPANY

Vent-Axia Limited

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5Patents
0Active
5Granted
23Portfolio score

Filing activity: Mar 25, 1975 → Sep 12, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US4659975A Remote speed controller for a motor Electricity 5 Expired
US3960464A Improvements in and relating to fans Mechanical Engineering; Lighting; Heating 4 Expired
US4751451A Fan motor control system Electricity 4 Expired
US4642725A DC solenoid actuator circuits Electricity 3 Expired
USD510761S1 Heat recovery unit General 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.