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:
Feb. 11, 2003
Filed:
Sep. 27, 2000
Applicant:
Inventors:
Paul R Norman, Salisbury, GB;
George A Robins, Salisbury, GB;
Arthur M Johnston, Edinburgh, GB;
Grant S Richardson, Salisbury, GB;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 3/30 ; G01J 1/00 ;
U.S. Cl.
CPC ...
G01J 3/30 ; G01J 1/00 ;
Abstract
A flame photometer detector is described which uses flame emission spectroscopy as the detection method, computer control and data acquisition, pulsed sampling and a rotating reference filter wheel to eliminate the effects of background chemical species. The detector is particularly suited to the testing of respirator equipment.