Ingersoll-Rand Co. v. Westinghouse Electric & Mfg. Co.

KIRKPATRICK, District Judge.

This is a suit in equity for infringement of United States patent, No. 1,550,332, to Bancel, relating to an improvement in the construction of surface condensers. Claims 1, 2, and 3 of the patent are in suit.

In condensers of the kind with which the patent is concerned, the steam from the exhaust of the prime mover (which in modern practice is usually a steam turbine) is discharged into a closed, cylindrical vessel or shell, the greater part of which is occupied by a bank of tubes extending longitudinally across it, through which cool water flows from one side to…