The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 07, 1993
Filed:
Feb. 10, 1992
Applicant:
Inventors:
Wolfgang Falb, Krummesse, DE;
Karl-Ludwig Gippert, Lubeck, DE;
Ulrich Heim, Lubeck, DE;
Uvo Holscher, Stockelsdorf, DE;
Siegfried Kiske, Gross Gronau, DE;
Gotz Kullik, Lubeck, DE;
Ralf-Ernst Loser, Kreuzkamp, DE;
Christoph Maurer, Bad Schwartau, DE;
Assignee:
Dragerwerk Aktiengesellschaft, Lubeck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61F / ;
U.S. Cl.
CPC ...
604113 ; 62-32 ; 62 471 ; 62 506 ; 12820415 ; 417313 ; 417572 ;
Abstract
A metering pump for metering low-boiling liquids, especially liquid anesthetics provides continuous metering of liquid. To achieve this, the pump chamber 7 is maintained at a temperature below the boiling point of the liquid by means of a cooling device 14, preferably a Peltier cell.