Legal Opinion

Combustion Utilities Corp. v. Worcester Gaslight Co.

U.S. Circuit Court for the District of Massachusetts

Decided August 8, 1911No. 527PublishedCited by 2 opinions

Ill Equity. Suit by the Combustion Utilities Corporation and'others against'the Worcester Gaslight Company. On final hearing.

1Opinion of the Court

BROWN, District Judge.

The bill charges infringement of two letters patent to Henry L. Doherty; No. 829,105, August 21, 1906, for “process of regulating the temperature of comliustion in gas producers,” claims 7, 10, and 13; and No. 844,504, February 19, 1907, for “apparatus for regulating combustion in-furnaces,” claim 3.

[1] The Doherty process of regulating the temperature of combustion has as its object to prevent or minimize the formation of clinkers in the furnace and secure a saving in fuel. The formation of clinkers can be. obviated by maintaining the combustion at a temperature lower…

2Cases cited1 opinion

  1. Diamond Rubber Co. of New York v. Consolidated Rubber Tire Co.Supreme Court of the United States · 1911

3Cited by2 opinions

  1. Stewart-Warner Corp. v. LevallyDistrict Court, N.D. Illinois · 1936
  2. Adams & Westlake Co. v. Peter Gray & Sons, Inc.District Court, D. Massachusetts · 1913

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