New York Filter Manuf'g Co. v. Niagara Falls Waterworks Co.
Court of Appeals for the Second Circuit
Appeal from the Circuit Court of the United States for the Northern District of New York. The New York Filter Company brought its bill in equity before the circuit court for the Southern district of New York against Schwarzwalder & Fink to restrain them from the infringement of letters patent No. 293,740,. which-were issued to Isaiah S. Hyatt on February 19, 1884, for an improved method of clarifying water.
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Appeal from the Circuit Court of the United States for the Northern District of New York. The New York Filter Company brought its bill in equity before the circuit court for the Southern district of New York against Schwarzwalder & Fink to restrain them from the infringement of letters patent No. 293,740,. which-were issued to Isaiah S. Hyatt on February 19, 1884, for an improved method of clarifying water. The validity of the patent was sustained, an injunction was decreed (61 Fed. 840), and upon appeal to the circuit court of appeals for the Second circuit the decree of the circuit court…
1Opinion of the CourtShipman, Circuit Judge
(after stating the facts as above). The single claim of the patent in suit is as follows:
“The method hereinbefore described of arresting and removing the impurities from water during an uninterrupted passage of same from a supply pipe-into a filtering apparatus, thence through a filter-bed contained therein, and out through a delivery-pipe leading therefrom, which method consists in introducing into the water simultaneously with its passage to or into the filter a substance which -will sufficiently coagulate or separate the impurities to facilitate their arrest and removal by the filter-bed,…
2Cases cited5 opinions
- Paxson v. BrownCourt of Appeals for the Eighth Circuit · 1894
- Electric Manuf'g Co. v. Edison Electric Light Co.Court of Appeals for the Seventh Circuit · 1894
- Bresnahan v. Tripp Giant Leveller Co.Court of Appeals for the First Circuit · 1896
- Schwarzwalder v. New York Filter Co.Court of Appeals for the Second Circuit · 1895
- New York Filter Co. v. O. H. Jewell Filter Co.District Court, S.D. New York · 1894
3Cited by8 opinions
- Beach v. HobbsU.S. Circuit Court for the District of Massachusetts · 1897
- Warren Bros. v. City of New YorkCourt of Appeals for the Second Circuit · 1911
- Flat Slabs Patents Co. v. Wright, Barrett & Stilwell Co.District Court, D. Minnesota · 1920
- New York Filter Mfg. Co. v. JacksonU.S. Circuit Court for the District of Eastern Missouri · 1898
- Wayman v. Louis Lipp Co.District Court, S.D. Ohio · 1912
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