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US2509016A
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*
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1947-01-10 |
1950-05-23 |
Lester L Smith |
Opposed louver ventilator
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US2663246A
(en)
*
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1950-03-18 |
1953-12-22 |
Lester L Smith |
Ventilator structure
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US2752844A
(en)
*
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1954-01-18 |
1956-07-03 |
Shawnee Ind Inc |
Adjustable wall-mounted ventilator
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US2758534A
(en)
*
|
1955-02-10 |
1956-08-14 |
Lester L Smith |
Ventilator structure
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USD298853S
(en)
*
|
1982-09-13 |
1988-12-06 |
Arthur Waltz |
Gable ventilator
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USD298852S
(en)
*
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1982-09-13 |
1988-12-06 |
Arthur Waltz |
Gable ventilator
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USD283837S
(en)
*
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1983-04-06 |
1986-05-13 |
Stanley Oster |
Vent louver
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USD428065S
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*
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1999-10-05 |
2000-07-11 |
Sexton John M |
Wall air vent
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USD466605S1
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*
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2001-07-09 |
2002-12-03 |
Peter W. Ziegler |
Vent attachment for a flexible wall
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USD493880S1
(en)
*
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2003-08-25 |
2004-08-03 |
John J. Achen |
Louvered vent with insect screen
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USD507048S1
(en)
*
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2004-04-28 |
2005-07-05 |
John J. Achen |
Louvered vent cover with insect screen
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USD583042S1
(en)
*
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2005-10-12 |
2008-12-16 |
Jackson James S |
Crawlspace FEMA flood louver
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US20070254585A1
(en)
*
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2006-04-28 |
2007-11-01 |
Achen John J |
Block wall vent and method
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CA122381S
(en)
*
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2007-09-19 |
2009-05-28 |
Venmar Ventillation Inc |
Louvered air ventilation grille
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US7909686B2
(en)
*
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2007-12-07 |
2011-03-22 |
Achen John J |
Flood and combustion air vent
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USD576723S1
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*
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2008-01-29 |
2008-09-09 |
Achen John J |
Flood vent
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US7797904B2
(en)
*
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2008-02-14 |
2010-09-21 |
Nan Ya Plastics Corporation |
Two part grille with interlocking connections for assembly in doors or the like
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USD582029S1
(en)
*
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2008-03-19 |
2008-12-02 |
Achen John J |
Flood vent without flange
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US8684801B2
(en)
*
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2008-11-17 |
2014-04-01 |
Sukup Manufacturing Company |
Vent for a grain bin
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EP2432711B1
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*
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2009-05-21 |
2016-01-06 |
Loginno Logistic Innovation Ltd. |
Vent cover for a shipping container
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USD621924S1
(en)
*
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2010-01-25 |
2010-08-17 |
Achen John J |
Combustion air vent with flat top and bottom retainers and beveled edge
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USD639416S1
(en)
*
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2010-05-06 |
2011-06-07 |
The Boeing Company |
Interlocking vent assembly for equalizing pressure in a compartment
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CA2844691C
(en)
*
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2013-06-06 |
2021-04-20 |
Wally Couto |
Systems and methods for vent protection enclosures
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USD719253S1
(en)
*
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2013-09-24 |
2014-12-09 |
Christopher Michael Francescon |
Sliding foundation vent
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USD817047S1
(en)
*
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2016-02-11 |
2018-05-08 |
A-Dec, Inc. |
Cabinet vent cover
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USD801512S1
(en)
*
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2016-09-22 |
2017-10-31 |
Julian Hall |
Door panel
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US20200331693A1
(en)
*
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2019-04-17 |
2020-10-22 |
Michael A. THORNBROUGH |
Air vent for shipping containers with corrugated sides
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USD997339S1
(en)
*
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2023-03-28 |
2023-08-29 |
Zonghua Hu |
Shipping container air vent
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