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:
Jul. 21, 1992
Filed:
May. 30, 1991
Applicant:
Inventor:
Ulrich Dobler, Wermelskirchen, DE;
Assignee:
Leybold Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250292 ; 250290 ;
Abstract
A simple, compact and reliable quadrupole mass spectrometer head gauge is shown in which an ion source and flange are mounted on one end of a one-piece quadrupole separating system and a detector is mounted on the other end with the flange end being adapted to be connected to a vacuum chamber.