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:
Aug. 14, 2012
Filed:
Dec. 31, 2010
Applicants:
Jeffrey D. Kiernan, Frederick, CO (US);
Matthew C. Grout, Blackhawk, CO (US);
Kevin Grout, Denver, CO (US);
Inventors:
Jeffrey D. Kiernan, Frederick, CO (US);
Matthew C. Grout, Blackhawk, CO (US);
Kevin Grout, Denver, CO (US);
Assignee:
MKS Instruments, Inc., Andover, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/34 (2006.01); B01D 53/64 (2006.01); B01D 53/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hot trap for removing a reactive constituent gas from a gas stream via chemical reaction and/or thermal disassociation includes a trap chamber with a heater assembly and a trap medium in its core inner portion and annular pre-heating and counterflow heating ducts in its outer and intermediate portions surrounding the core inner portion for heating an inflowing gas stream and conservation of heat energy in the trap as well as to maintain lower temperatures on external surfaces.