HOOVER VAINO A innovation strategy

Patent filings in countries

#	Country	Total Patents
#1	United States	17
#2	Canada	16

#	Industry
#1	Mechanical elements
#2	Machines
#3	Transport
#4	Electrical machinery and energy
#5	Control
#6	Telecommunications
#7	Environmental technology

#	Technology
#1	Unspecified technologies
#2	Gearing
#3	Aeroplanes
#4	Mechanical control devices
#5	Clutches and brakes
#6	Dynamo-electric machines
#7	Systems controlling non-electric variables
#8	Climate change mitigation in transportation
#9	Electric motor controls
#10	Transmission

#	Name	Total Patents
#1	Hoover Vaino A	33

Publication	Filing date	Title
US3203275A	1962-11-26	Mechanical actuator
US3221118A	1962-06-13	Actuator with self-protecting limiting mechanism
US3312916A	1962-06-13	Actuator with limiting mechanism and torque limiting clutch
US3207969A	1962-06-08	Universal motor circuit
US3221173A	1962-06-08	Electrical circuit control for motor-generator
US3090631A	1958-01-07	Mechanical actuator
US3002598A	1958-01-07	Mechanical actuator with proportional travel limit cam having adjustable contour
US2941638A	1957-08-12	Mechanical actuator interlocking system
US3048760A	1957-08-12	Motor control by mechanical actuator with intermediate position cam arrangement
US2736826A	1953-04-13	Ventilated explosion-proof dynamo-electric machine
US2778239A	1953-04-06	Mechanical actuator
US2809736A	1953-04-04	Mechanical actuator
US2668426A	1948-10-01	Torque limiting clutch
US2618368A	1948-09-29	Magnetic clutch
US2590251A	1948-09-29	Mechanical actuator
US2522675A	1948-09-15	Ventilating means for electric motors
CA615217A	None	Mechanical actuator
CA752127A	None	Mechanical actuator
CA662037A	None	Mechanical actuator
CA757740A	None	Universal motor circuit