Legal Opinion

Stewart-Warner Corp. v. Lone Star Gas Co.

Court of Appeals for the Fifth Circuit

Decided June 10, 1952No. 13478PublishedCited by 54 opinions

1Opinion of the Court

RIVES, Circuit Judge.

This is a suit for infringement of U. S. Patent No. 2,087,983, issued July 27, 1937 to J. Woodward Martin, and covering a device described as a “Draft Equalizer for Gas Burners.” The district court held the patent valid and infringed and enjoined appellant from the further manufacture and sale of its “Saf-Aire” gas heater.

The evidence involves the gas-burner art, and particularly the problem of taking from out-of-doors the fresh air necessary to operate such a burner, and discharging into the outside atmosphere the combustion gas from the burner, without allowing the ga9…

2Cases cited13 opinions

  1. Boyden Power-Brake Co. v. Westinghouse Westinghouse v. Boyden Power-Brake Co.Supreme Court of the United States · 1898
  2. Sinclair & Carroll Co. v. Interchemical Corp.Supreme Court of the United States · 1945
  3. Westinghouse v. Boyden Power Brake Co.Supreme Court of the United States · 1898
  4. Kokomo Fence MacHine Co. v. KitselmanSupreme Court of the United States · 1903
  5. Butex Gas Co. v. Southern Steel Co.Court of Appeals for the Fifth Circuit · 1941

8 more not listed; retrieve them via the Exa API.

3Cited by54 opinions

  1. Studiengesellschaft Kohle Mbh, as Trustee for the Max-Planck-Institut Fur Kohlenforschung v. Eastman Kodak CompanyCourt of Appeals for the Fifth Circuit · 1980
  2. Karl Ziegler, Plaintiff-Appellant-Cross-Appellee v. Phillips Petroleum Company, Defendant-Appellee-Cross-AppellantCourt of Appeals for the Fifth Circuit · 1973
  3. James C. Hobbs v. United States of America, Atomic Energy CommissionCourt of Appeals for the Fifth Circuit · 1971
  4. Deep Welding, Inc. v. Sciaky Bros., Inc.Court of Appeals for the Seventh Circuit · 1969
  5. Southern States Equipment Corp. v. Usco Power Equipment Corp. Usco Power Equipment Corp. v. Southern States Equipment CorpCourt of Appeals for the Fifth Circuit · 1953

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