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:
Aug. 16, 2011
Filed:
Dec. 06, 2007
Klaus Feisst, Stegen, DE;
Eric Bergmann, Steinen, DE;
Klaus Feisst, Stegen, DE;
Eric Bergmann, Steinen, DE;
Endress + Hauser GmbH + Co. KG, Maulburg, DE;
Abstract
A fill level measuring device for ascertaining and monitoring fill level of a medium in the process space of a container by means of a microwave travel time measuring method. The device includes: measurement transmitter; and an antenna unit, which is constructed at least of a hollow conductor and a radiating element, wherein a process isolation element is inserted into the hollow conductor for process isolation between measurement transmitter and the process contacting, radiating element. The process isolation element is made of a ceramic material and includes at least one glass layer, via which the process isolation element is directly glass bonded in the hollow conductor in a glass bonding region.