FIG. 1 is a front perspective view of a duct seal according to an embodiment of the present design;
FIG. 2 is a side view of the duct seal of FIG. 1, other side views being identical due to the axisymmetric construction of the duct seal;
FIG. 3 is a front view of the duct seal of FIG. 1;
FIG. 4 is a rear view of the duct seal of FIG. 1;
FIG. 5 is a side cutaway view along the lines 5—5 of the duct seal of FIG. 1; and,
FIG. 6 is a detail of the side cutaway view of FIG. 5, showing the duct seal placed around a portion of a notional duct.
The broken line showing portions of a duct in FIG. 6 is for illustrative purposes only and forms no part of the claimed design.
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 3955834, | Feb 11 1972 | Aktiebolaget Svenska Flaktfabriken | Apparatus for connecting ducts with a self-sealing joint | 
    
	 | 4007941, | Jul 24 1975 | ACTA Limited | Seal for duct terminator | 
    
	 | 4291905, | Dec 22 1978 | The Boeing Company | Duct seal | 
    
	 | 4645244, | Feb 15 1984 |  | Aircraft duct gimbaled joint | 
    
	 | 4653124, | Jul 16 1985 | FIRST SECURITY BANK OF IDAHO, N A | Face mask having an air duct connectable to a goggle | 
    
	 | 5599600, | Feb 09 1993 | EDLON, INC | Nozzle repair shield | 
    
	 | 6279967, | Dec 30 1998 | PROCTOR, JOHN P | Duct joining system | 
    
	 | 6758502, | Jan 17 2001 | Lindab AB | Coupling ring for ventilation ducts, and method of connecting ventilation ducts | 
    
	 | 20040250403, |  |  |  | 
    
	 | 20060006610, |  |  |  | 
    
	 | 20060214423, |  |  |  | 
    
	 | 20060253971, |  |  |  | 
    
	 | D256046, | Jun 27 1978 |  | Pipe clamp seal | 
    
	 | D256499, | Jul 28 1978 |  | Water closet seal | 
    
	 | D273702, | Dec 17 1980 | AB SVENSKA FLAKTFABRIKEN SICKLA ALLE 13, | Adjustable ventilation nozzle | 
    
	 | D322120, | Feb 10 1986 | Forsheda AB | Sealing ring | 
    
	 | D379493, | Dec 19 1994 | Greene, Tweed of Delaware, Inc. | Gasket seal | 
    
	 | D427667, | May 20 1999 | Eastern Sheet Metal, Inc. | Sleeve coupling | 
    
	 | D427668, | May 20 1999 | Eastern Sheet Metal, Inc. | Sleeve coupling | 
    
	 | D427673, | May 20 1999 | Eastern Sheet Metal, Inc. | Sleeve coupling | 
    
	 | D430482, | May 20 1999 | Eastern Sheet Metal, Inc. | Sleeve coupling | 
    
	 | D435090, | May 20 1999 | EASTERN SHEET METAL INC | Gasket | 
    
	 | D437034, | May 20 1999 | Eastern Sheet Metal, Inc. | Gasket | 
    
	 | D475130, | Mar 20 2001 | EASTERN SHEET METAL INC | Bell mouth with a crimped end | 
    
	 | D475447, | Mar 20 2001 | EASTERN SHEET METAL INC | Bell mouth with an indented end | 
    
	 | D475448, | Mar 20 2001 | EASTERN SHEET METAL INC | Duct with an indented end | 
    
	 | D475449, | Mar 20 2001 | EASTERN SHEET METAL INC | Duct tap with an indented end | 
    
	 | D475778, | Mar 20 2001 | EASTERN SHEET METAL INC | Offset duct with a crimped end | 
    
	 | D475779, | Mar 20 2001 | EASTERN SHEET METAL INC | Offset duct with an indented end | 
    
	 | D475780, | Mar 20 2001 | EASTERN SHEET METAL INC | Duct with a crimped end | 
    
	 | D476074, | Mar 20 2001 | EASTERN SHEET METAL INC | Duct tap with a crimped end | 
    
	 | D478978, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Reducer with a crimped end | 
    
	 | D480132, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Reducer with an indented end | 
    
	 | D488217, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Bell mouth with a crimped end | 
    
	 | D488858, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct with an indented end | 
    
	 | D488859, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Bell mouth with an indented end | 
    
	 | D489806, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct with a crimped end | 
    
	 | D492024, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Reducer with an indented end | 
    
	 | D492025, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Reducer with a crimped end | 
    
	 | D501547, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct with an indented end | 
    
	 | D501548, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct tap with an indented end | 
    
	 | D513072, | Jan 29 2003 | Lindab AB | Part in a ventilation system | 
    
	 | D521632, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct with a crimped end | 
    
	 | D521633, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct tap with a crimped end | 
    
	 | D523131, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct with an indented end | 
    
	 | D524436, | Mar 20 2001 | Air Distribution Technologies IP, LLC | Duct with a crimped end | 
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  | May 04 2006 |  | Eastern Sheet Metal | (assignment on the face of the patent) | / |  | 
    
| May 29 2006 | HAGGKVIST, ALF | EASTERN SHEET METAL, INC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS | 017723/ | 0859 | pdf | 
    
| Sep 29 2010 | Eifeler Maschinenbau GmbH | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | SELKIRK CORPORATION | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | SCHRADER ELECTRONICS, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | SCHRADER-BRIDGEPORT INTERNATIONAL, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | RUSKIN COMPANY | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | HART & COOLEY, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | GATES MECTROL, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | The Gates Corporation | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | EASTERN SHEET METAL, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | EPICOR INDUSTRIES, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | Dexter Axle Company | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | Aquatic Co | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | AIR SYSTEM COMPONENTS, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | AIR SYSTEM COMPONENTS, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | Aquatic Co | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | TOMKINS INDUSTRIES, INC | CITICORP USA, INC , AS COLLATERAL AGENT | SECURITY AGREEMENT | 025549/ | 0407 | pdf | 
    
| Sep 29 2010 | Eifeler Maschinenbau GmbH | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | TOMKINS INDUSTRIES, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | SELKIRK CORPORATION | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | SCHRADER ELECTRONICS, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | SCHRADER-BRIDGEPORT INTERNATIONAL, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | RUSKIN COMPANY | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | GATES MECTROL, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | HART & COOLEY, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | The Gates Corporation | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | EPICOR INDUSTRIES, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | EASTERN SHEET METAL, INC | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Sep 29 2010 | Dexter Axle Company | WILMINGTON TRUST FSB, AS COLLATERAL AGENT | SECOND LIEN NOTES PATENT SECURITY AGREEMENT | 025560/ | 0057 | pdf | 
    
| Nov 09 2012 | TOMKINS INDUSTRIES, INC | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | CITICORP USA, INC | SELKIRK CORPORATION | RELEASE OF SECURITY INTEREST AT REEL FRAME 025549 0407 | 029275/ | 0110 | pdf | 
    
| Nov 09 2012 | AIR SYSTEM COMPONENTS, INC | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | WILMINGTON TRUST, NATIONAL ASSOCIATION, SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB | HART & COOLEY, INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025560 0057 | 029275/ | 0096 | pdf | 
    
| Nov 09 2012 | WILMINGTON TRUST, NATIONAL ASSOCIATION, SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB | AIR SYSTEM COMPONENTS, INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025560 0057 | 029275/ | 0096 | pdf | 
    
| Nov 09 2012 | TOMKINS INDUSTRIES, INC | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | HART & COOLEY, INC | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | SELKIRK CORPORATION | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | EASTERN SHEET METAL, INC | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | KOCH FILTER CORPORATION | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | H&C MILCOR, INC | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | RUSKIN COMPANY | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | AIR SYSTEM COMPONENTS, INC | ROYAL BANK OF CANADA | JUNIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0305 | pdf | 
    
| Nov 09 2012 | HART & COOLEY, INC | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | SELKIRK CORPORATION | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | EASTERN SHEET METAL, INC | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | KOCH FILTER CORPORATION | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | H&C MILCOR, INC | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | RUSKIN COMPANY | ROYAL BANK OF CANADA | SENIOR LIEN INTELLECTUAL PROPERTY SECURITY AGREEMENT | 029297/ | 0259 | pdf | 
    
| Nov 09 2012 | WILMINGTON TRUST, NATIONAL ASSOCIATION, SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB | RUSKIN COMPANY | RELEASE OF SECURITY INTEREST AT REEL FRAME 025560 0057 | 029275/ | 0096 | pdf | 
    
| Nov 09 2012 | WILMINGTON TRUST, NATIONAL ASSOCIATION, SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB | SELKIRK CORPORATION | RELEASE OF SECURITY INTEREST AT REEL FRAME 025560 0057 | 029275/ | 0096 | pdf | 
    
| Nov 09 2012 | CITICORP USA, INC | TOMKINS INDUSTRIES, INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025549 0407 | 029275/ | 0110 | pdf | 
    
| Nov 09 2012 | CITICORP USA, INC | EASTERN SHEET METAL INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025549 0407 | 029275/ | 0110 | pdf | 
    
| Nov 09 2012 | CITICORP USA, INC | RUSKIN COMPANY | RELEASE OF SECURITY INTEREST AT REEL FRAME 025549 0407 | 029275/ | 0110 | pdf | 
    
| Nov 09 2012 | CITICORP USA, INC | HART & COOLEY, INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025549 0407 | 029275/ | 0110 | pdf | 
    
| Nov 09 2012 | CITICORP USA, INC | AIR SYSTEM COMPONENTS, INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025549 0407 | 029275/ | 0110 | pdf | 
    
| Nov 09 2012 | WILMINGTON TRUST, NATIONAL ASSOCIATION, SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB | TOMKINS INDUSTRIES, INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025560 0057 | 029275/ | 0096 | pdf | 
    
| Nov 09 2012 | WILMINGTON TRUST, NATIONAL ASSOCIATION, SUCCESSOR BY MERGER TO WILMINGTON TRUST FSB | EASTERN SHEET METAL, INC | RELEASE OF SECURITY INTEREST AT REEL FRAME 025560 0057 | 029275/ | 0096 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | EASTERN SHEET METAL, INC | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | H&C MILCOR, INC | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | HART & COOLEY, INC | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | TOMKINS INDUSTRIES, INC | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | RUSKIN COMPANY | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | AIR SYSTEM COMPONENTS, INC | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | SELKIRK CORPORATION | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jun 16 2014 | ROYAL BANK OF CANADA | KOCH FILTER CORPORATION | RELEASE OF SECURITY AGREEMENT | 033188/ | 0270 | pdf | 
    
| Jul 26 2017 | EASTERN SHEET METAL, INC | Air Distribution Technologies IP, LLC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS | 043121/ | 0985 | pdf | 
    
| Aug 16 2017 | EASTERN SHEET METAL, INC | Air Distribution Technologies IP, LLC | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS | 043375/ | 0613 | pdf |