Patents by Inventor Chouyu Enomoto

Chouyu Enomoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electromagnetic reciprocating pump
    Patent number: 4154559
    Abstract: An electromagnetic reciprocating pump having two vibrators with permanent magnets and an electromagnet adapted to cooperate with the permanent magnets to vibrate the vibrators and characterized by connector means coupling the two vibrators to allow the vibrators to vibrate conjointly, keeping a given space therebetween. With such a structure, the pump capacity is much enhanced without increasing the sizes of the permanent magnets and the electromagnet.
    Type: Grant
    Filed: October 28, 1977
    Date of Patent: May 15, 1979
    Assignee: Enomoto Micro-Pump Mfg. Co.
    Inventor: Chouyu Enomoto