Legal Opinion
Ric-Wil Co. v. E. B. Kaiser Co.
Court of Appeals for the Seventh Circuit
Decided March 1, 1950No. 9755PublishedCited by 52 opinions
1Opinion of the Court
MAJOR, Chief Judge.
This is an appeal from a judgment entered October 19, 1948, 'holding certain claims of four patents, owned by the plaintiff, valid and infringed by the defendant. All of the patents relate to a conduit system and its improvements adapted to be used in the transmission of steam and other liquids. The apparatus described, together with the improvements, is particularly designed for use in connection with a central heating system whereby heat is generated at a common point and transmitted, usually by underground pipes, to the place of utilization.
The patents in suit are: No.…
2Cases cited17 opinions
- Carnegie Steel Co. v. Cambria Iron Co.Supreme Court of the United States · 1902
- Temco Electric Motor Co. v. Apco Manufacturing Co.Supreme Court of the United States · 1928
- Kurtz v. Belle Hat Lining Co.Court of Appeals for the Second Circuit · 1922
- Detroit Motor Appliance Co. v. BurkeDistrict Court, D. Minnesota · 1925
- Gairing Tool Co. v. Eclipse Interchangeable Counterbore Co.Court of Appeals for the Sixth Circuit · 1931
12 more not listed; retrieve them via the Exa API.
3Cited by52 opinions
- Aro Manufacturing Co. v. Convertible Top Replacement Co.Supreme Court of the United States · 1964
- Georgia-Pacific Corporation v. United States Plywood CorporationCourt of Appeals for the Second Circuit · 1958
- Kori Corp. v. Wilco Marsh Buggies & Draglines, Inc.Court of Appeals for the Federal Circuit · 1985
- Ling-Temco-Vought, Inc. v. Kollsman Instrument CorporationCourt of Appeals for the Second Circuit · 1967
- Baker-Cammack Hosiery Mills, Inc. v. Davis Co.Court of Appeals for the Fourth Circuit · 1950
47 more not listed; retrieve them via the Exa API.