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. 31, 2009
Filed:
Oct. 06, 2006
Applicants:
Edward a Johnson, Bedford, MA (US);
James T. Daly, Mansfield, MA (US);
John S. Wollam, Acton, MA (US);
W. Andrew Bodkin, Needham, MA (US);
Inventors:
Edward A Johnson, Bedford, MA (US);
James T. Daly, Mansfield, MA (US);
John S. Wollam, Acton, MA (US);
W. Andrew Bodkin, Needham, MA (US);
Assignee:
Ion Optics, Inc., Billerica, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A blackbody radiation device () includes a planar filament emission element () and a planar detector () for respectively producing and detecting radiation having width dl/l less than about 0.1 to test a sample gas, where l is the wavelength of the radiation; a reflector (); a window (W); an electrical control (); and a data output element ().