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. 17, 2015
Filed:
Aug. 07, 2012
Applicants:
Stephen M. Liebold, Grantham, NH (US);
Jon W. Lindsay, Hanover, NH (US);
Brian J. Currier, Newport, NH (US);
Inventors:
Stephen M. Liebold, Grantham, NH (US);
Jon W. Lindsay, Hanover, NH (US);
Brian J. Currier, Newport, NH (US);
Assignee:
Hypertherm, Inc., Hanover, NH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05H 1/28 (2006.01); B23K 10/00 (2006.01); B23K 9/29 (2006.01); F28F 3/12 (2006.01);
U.S. Cl.
CPC ...
B23K 10/00 (2013.01); B23K 9/296 (2013.01); F28F 3/12 (2013.01);
Abstract
In some aspects, a retaining cap for a plasma arc torch can include a shell having an exterior surface that defines, at least in part, a first liquid coolant channel, a liner circumferentially disposed within the shell and having an interior surface that defines, at least in part, a second liquid coolant channel, and a gas flow channel defined at least in part by and located between the shell and the liner.