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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US402912211 mars 197614 juin 1977Westinghouse Electric CorporationApparatus and method for determining friction forces in position modulated valves
US466041613 janv. 198628 avr. 1987Charbonneau and Godfrey AssociatesMotor operated valve analysis and testing system with monitoring of spring pack movement through side by side monitoring device
US468717929 nov. 198518 août 1987Automatic valve actuator and control system
US46900036 juin 19851 sept. 1987Charbonneau & Godfrey AssociatesMotor operated valve analysis and testing system
US469311323 juin 198615 sept. 1987Charbonneau and Godfrey AssociatesMotor operated valve analysis and testing system
US472102716 nov. 198126 janv. 1988Koso International, Inc.Double acting linear actuator
US47351017 janv. 19865 avr. 1988Charbonneau & Godfrey AssociatesMotor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post
US475922411 sept. 198726 juil. 1988Movats IncorporatedTorque measuring system for motor operated valve operators

Dessins