TREA

Donald A. Worden

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  • Pompton Plains, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pop-type relief-valve construction
    • Patent number 5,078,177
    • Issue date Jan 7, 1992
    • Marotta Scientific Controls, Inc.
    • Peter A. Tartaglia
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Load-transfer mechanism
    • Patent number 4,484,285
    • Issue date Nov 20, 1984
    • Marotta Scientific Controls, Inc.
    • William I. deVersterre
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Load-transfer mechanism
    • Patent number 4,481,801
    • Issue date Nov 13, 1984
    • Marotta Scientific Controls, Inc.
    • William I. deVersterre
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Self-contained closed-loop electrically operated valve
    • Patent number 4,399,836
    • Issue date Aug 23, 1983
    • Marotta Scientific Controls, Inc.
    • William I. de Versterre
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Rolling mill gap sensor
    • Patent number 4,044,580
    • Issue date Aug 30, 1977
    • Marotta Scientific Controls, Inc.
    • Donald A. Worden
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Automatic pressure control system
    • Patent number 3,941,508
    • Issue date Mar 2, 1976
    • Marotta Scientific Controls, Inc.
    • Donald A. Worden
    • G05 - CONTROLLING REGULATING