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Total properties:
14
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Patent #:
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|
Issue Dt:
|
07/20/2004
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Application #:
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10295007
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Filing Dt:
|
11/13/2002
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Title:
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LOCKING DEVICE AND METHOD FOR CATCH BASIN AND MANHOLE COVERS, AND THE LIKE
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Patent #:
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Issue Dt:
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07/17/2007
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Application #:
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11197693
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Filing Dt:
|
08/04/2005
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Publication #:
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Pub Dt:
|
02/08/2007
| | | | |
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Title:
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TELESCOPING BOLLARD WITH SCREW DRIVE
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|
|
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Patent #:
|
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Issue Dt:
|
02/03/2009
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Application #:
|
11761711
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Filing Dt:
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06/12/2007
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Publication #:
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Pub Dt:
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12/13/2007
| | | | |
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Title:
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MANHOLE COVER SECURITY LOCK WITH CONTROLLED PRESSURE RELEASE
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Patent #:
|
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Issue Dt:
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08/05/2014
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Application #:
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11880758
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Filing Dt:
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07/23/2007
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Publication #:
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Pub Dt:
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02/14/2008
| | | | |
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Title:
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BOLLARD ASSEMBLY
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Patent #:
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Issue Dt:
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05/11/2010
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Application #:
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12357525
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Filing Dt:
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01/22/2009
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Publication #:
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Pub Dt:
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06/18/2009
| | | | |
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Title:
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METHOD OF CONTROLLABLY VENTING GASES GENERATED BY EXPLOSIONS IN A MANHOLE SPACE
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Patent #:
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Issue Dt:
|
02/22/2011
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Application #:
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12482830
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Filing Dt:
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06/11/2009
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Publication #:
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Pub Dt:
|
02/04/2010
| | | | |
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Title:
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MANHOLE COVER STOP MECHANISM
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|
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Patent #:
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Issue Dt:
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08/16/2016
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Application #:
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14625766
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Filing Dt:
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02/19/2015
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Publication #:
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Pub Dt:
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02/25/2016
| | | | |
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Title:
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Pressure Responsive Locking Latch Arrangement For Manhole Covers
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|
|
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Patent #:
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Issue Dt:
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01/09/2018
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Application #:
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14831406
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Filing Dt:
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08/20/2015
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Publication #:
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Pub Dt:
|
02/25/2016
| | | | |
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Title:
|
Controlled Pressure Release Manhole Cover Assembly
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|
|
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Patent #:
|
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Issue Dt:
|
03/13/2018
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Application #:
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15267903
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Filing Dt:
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09/16/2016
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Publication #:
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Pub Dt:
|
03/23/2017
| | | | |
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Title:
|
MANHOLE COVER ASSEMBLY
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|
|
|
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Patent #:
|
|
Issue Dt:
|
03/06/2018
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Application #:
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15268015
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Filing Dt:
|
09/16/2016
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Publication #:
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Pub Dt:
|
03/23/2017
| | | | |
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Title:
|
MANHOLE COVER ASSEMBLY
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|
|
|
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Patent #:
|
|
Issue Dt:
|
05/14/2013
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Application #:
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29429589
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Filing Dt:
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08/14/2012
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Title:
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FRAME AND CURB BOX
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|
|
|
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Patent #:
|
|
Issue Dt:
|
05/14/2013
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Application #:
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29429592
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Filing Dt:
|
08/14/2012
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|
Title:
|
FRAME AND CURB BOX
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/13/2013
|
Application #:
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29440894
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Filing Dt:
|
12/28/2012
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|
Title:
|
INTEGRATED FRAME AND CURB BOX
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|
|
|
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Patent #:
|
|
Issue Dt:
|
08/13/2013
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Application #:
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29440899
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Filing Dt:
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12/28/2012
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|
Title:
|
INTEGRATED FRAME AND CURB BOX
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