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:
Jun. 26, 2018
Filed:
Oct. 06, 2014
Applicant:
Twigg Scientific & Technical Ltd, Cambridgeshire, GB;
Inventor:
Martyn Vincent Twigg, Caxton, GB;
Assignee:
Twigg Scientific & Technical LTD, Cambridgeshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/06 (2006.01); F01N 3/022 (2006.01); F01N 3/035 (2006.01); F01N 3/08 (2006.01); F01N 3/28 (2006.01); G01N 33/00 (2006.01); G01N 1/34 (2006.01); G01N 15/00 (2006.01);
U.S. Cl.
CPC ...
G01N 15/065 (2013.01); F01N 3/085 (2013.01); F01N 3/0842 (2013.01); F01N 3/281 (2013.01); F01N 3/2828 (2013.01); G01N 1/34 (2013.01); G01N 33/0013 (2013.01); F01N 2560/05 (2013.01); G01N 2015/0038 (2013.01);
Abstract
An improved instrument for counting nanoparticles suspended in a gas, particularly in a combustion gas, incorporates a counter device such as a Condensation Particle Counter, incorporates a pre-treatment stage to remove substances which can cause nucleation and false results, comprising a flow through monolith carrying an oxidation catalyst and an absorber, wherein the monolith has a call density of no more than 400 cells per square inch and an open area of at least 80%.