| 11499741 |
Duct blank seam and apparatus for making a duct blank seam |
— |
2022-11-15 |
| 9810447 |
Duct blank seam and apparatus for making a duct blank seam |
— |
2017-11-07 |
| 9157653 |
Apparatus and method for inserting angle plates and closing duct seams |
David E. Daw, Cody B. Umberger |
2015-10-13 |
| 9027376 |
Apparatus and method for inserting angle plates and closing duct seams |
David E. Daw, Cody B. Umberger |
2015-05-12 |
| 8950229 |
Duct blank seam and apparatus for making a duct blank seam |
— |
2015-02-10 |
| 8910548 |
Duct wrap dispenser |
— |
2014-12-16 |
| 8590577 |
Ductmaking apparatus |
John Welty |
2013-11-26 |
| 8561272 |
Apparatus for assembling insulated duct sections |
— |
2013-10-22 |
| 8561448 |
Duct blank seam and apparatus for making a duct blank seam |
— |
2013-10-22 |
| 8499604 |
Duct making apparatus and method |
John Welty |
2013-08-06 |
| 8458884 |
Method for forming a duct |
Scott E. Sloan, Richard Burkart, Steven Kerska, John Welty |
2013-06-11 |
| 8459307 |
Duct fastseam |
John J. Toben, Ashok Shah, Richard Blum |
2013-06-11 |
| 8276425 |
Ductmaking apparatus |
John Welty |
2012-10-02 |
| 8225636 |
Apparatus for forming a duct |
Scott E. Sloan, Richard Burkart, Steven Kerska, John Welty |
2012-07-24 |
| 7805833 |
Duct reinforcement rod and fabrication apparatus |
John J. Toben |
2010-10-05 |
| 7681297 |
Duct fastseam |
John J. Toben, Ashok Shah, Richard Blum |
2010-03-23 |
| 7234734 |
Integral transverse flanges for a duct connecting system |
John J. Toben |
2007-06-26 |
| 6981398 |
Seam closing apparatus |
John J. Toben |
2006-01-03 |
| 6746534 |
Apparatus for applying glue |
— |
2004-06-08 |