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:
Feb. 28, 2006
Filed:
Nov. 15, 2002
Applicant:
Maximilian Hans Hobelsberger, Wuerenlingen, CH;
Inventor:
Maximilian Hans Hobelsberger, Wuerenlingen, CH;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); A61F 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The active HVAC duct element can be inserted into a HVAC duct for attenuation of noise. The element works with an acoustical series arrangement of a passive acoustical component and an active acoustical component.
Quick Actions:
Hobelsberger, Maximilian. (2006). Active noise-attenuating duct element (U.S. Patent No. 7006639). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7006639
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile