Patents Assigned to Litwin Engineers & Constructors, Inc.
  • Process plant instrumentation design system
    Patent number: 4862345
    Abstract: An improved process plant instrumentation design system is disclosed in which the amount of data that must be input is greatly reduced by using default information whenever possible. The system also automatically generates the instrumentation loop drawing using the imputted and default information and a program to create the loops. The loop is automatically drawn using a computer-aided design (CAD) program.
    Type: Grant
    Filed: November 16, 1987
    Date of Patent: August 29, 1989
    Assignee: Litwin Engineers & Constructors, Inc.
    Inventor: Charles E. Lekron