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:
Mar. 21, 2000
Filed:
Mar. 05, 1998
Applicant:
Inventors:
John T Jayne, Littleton, MA (US);
Douglas R Worsnop, Lexington, MA (US);
Charles E Kolb, Sudbury, MA (US);
Assignee:
Aerodyne Research, Inc., Billerica, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250288 ; 250251 ;
Abstract
The principle object of the invention is to provide an improved particle analyzer for analyzing particles contained in a gaseous medium. A more specific object is to provide a particle analyzer that provides a measure of the concentration of particles of various sizes in the atmosphere and the make up of the particles of various sizes. A more specific object is to provide an analyzer of the foregoing type which is small inexpensive and suitable for unattended use in the field.