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:
Oct. 10, 2017
Filed:
May. 20, 2015
Jake Ramos, Dubuque, IA (US);
James Partain, Springtown, TX (US);
Kevin J. Gebke, Dubuque, IA (US);
Michael A. Jacobson, Dubuque, IA (US);
Nicholas L. Kaufmann, Sherrill, IA (US);
William A. Niehaus, Holy Cross, IA (US);
Jake Ramos, Dubuque, IA (US);
James Partain, Springtown, TX (US);
Kevin J. Gebke, Dubuque, IA (US);
Michael A. Jacobson, Dubuque, IA (US);
Nicholas L. Kaufmann, Sherrill, IA (US);
William A. Niehaus, Holy Cross, IA (US);
RITE-HITE HOLDING CORPORATION, Milwaukee, WI (US);
Abstract
Fabric silencers for air ducts are disclosed. An example air duct silencer system includes an inner tube being of a first pliable material, the inner tube defining an airway extending along the inner tube. The example air duct silencer system further includes an outer tube being of a second pliable material, the outer tube to encircle the inner tube to define an annular space between the outer tube and the inner tube. The example air duct silencer system also includes a sound absorbing material to be disposed within the annular space.