Patents by Inventor Anton Meier

Anton Meier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and tunnel type furnace for calcining carbonaceous bodies, in particular electrodes
    Patent number: 4674975
    Abstract: The method comprises passing preformed bodies to be calcined, containing pyrolyzable substances, through a furnace having, arranged in succession, a first heating zone, a second or combustion zone wherein volatile substance released by said bodies are subjected to combustion, a third or calcining zone, and a fourth or cooling zone. Separation means between the first and second zones, and between the third and fourth zones, prevent the flue gases from flowing between such zones.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: June 23, 1987
    Assignees: Alusuisse Italia S.p.A., Italimpianti Societa Italiana Impianti p.A., Sirma S.p.A.
    Inventors: Renzo Corato, Giulio Ganapini, Hans-Anton Meier, Mauro Poggi, Antonio Rosso, Sergio Sanchioni
  • Solid cathode in a fused salt reduction cell
    Patent number: 4595475
    Abstract: An exchangeable solid cathode such that its average density is less than that of the molten aluminum, as a result of which the said cathode floats projecting into the electrolyte from below. At least three vertical, electrically insulating spacers are attached to the work face of the cathode and, due to the upthrust on the floating cathode, press against the work face of the related anode. The said floating cathode also features stabilizing positioning facilities at the side which insure proper lateral positioning of the cathode.
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: June 17, 1986
    Assignee: Swiss Aluminium Ltd.
    Inventors: Rudolf Pawlek, Hans-Anton Meier
  • Process for the preparation of novel light stabilizers
    Patent number: 4461898
    Abstract: Mixtures of esters of polyalkylpiperidine derivatives, of the formulae I and II ##STR1## in which the proportions of I to II are 95 to 70% by weight and 5 to 30% by weight, are obtained by reacting about 2 mols of a piperidine of the formula III ##STR2## with 0.9 to 1.3 mols of a diester of the formula IV ##STR3## in the melt at between 100.degree. and 145.degree. C., in the presence of an alkali metal amide as a catalyst.The mixtures of esters thus obtained are very suitable as light stabilizers for plastics.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: July 24, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Anton Meier, Eduard Troxler
  • Inductor for an electromagnetic mold for continuous casting
    Patent number: 4216817
    Abstract: An inductor for an electromagnetic mold used for example for continuous casting of long format rolling ingots has a metallic loop with a hollow space in it to convey a coolant. The vertical dimension at the middle of the sidewall (H.sub.1) of the loop is a multiple of the vertical dimension (H.sub.2) at the corners of the loop. Such a device compensates for the shrinkage which occurs at the sidewall of the ingot and yields ingots which do not suffer from the concavity which would otherwise occur there.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: August 12, 1980
    Assignee: Swiss Aluminium Ltd.
    Inventor: Hans-Anton Meier