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Total properties:
27
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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:
|
05/15/2007
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Application #:
|
10613291
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Filing Dt:
|
07/02/2003
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Title:
|
ACCESS HATCH COVER ASSEMBLY WITH LIFT-ASSIST ASSEMBLY AND METHOD THEREFOR
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Patent #:
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|
Issue Dt:
|
09/19/2006
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Application #:
|
10837958
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Filing Dt:
|
05/03/2004
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Publication #:
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Pub Dt:
|
11/03/2005
| | | | |
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Title:
|
CONSTRUCTION CASTINGS WITH BALL AND SOCKET CONNECTORS
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Patent #:
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Issue Dt:
|
07/17/2007
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Application #:
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11197693
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Filing Dt:
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08/04/2005
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Publication #:
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Pub Dt:
|
02/08/2007
| | | | |
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Title:
|
TELESCOPING BOLLARD WITH SCREW DRIVE
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Patent #:
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Issue Dt:
|
08/22/2006
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Application #:
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11346502
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Filing Dt:
|
02/02/2006
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Publication #:
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Pub Dt:
|
06/15/2006
| | | | |
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Title:
|
SOCKET HINGED CONSTRUCTION CASTING ASSEMBLY
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Patent #:
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Issue Dt:
|
06/29/2010
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Application #:
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11458271
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Filing Dt:
|
07/18/2006
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Publication #:
|
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Pub Dt:
|
11/02/2006
| | | | |
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Title:
|
SOCKET HINGED CONSTRUCTION CASTING ASSEMBLY
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|
|
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Patent #:
|
|
Issue Dt:
|
02/03/2009
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Application #:
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11761711
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Filing Dt:
|
06/12/2007
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|
Publication #:
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Pub Dt:
|
12/13/2007
| | | | |
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Title:
|
MANHOLE COVER SECURITY LOCK WITH CONTROLLED PRESSURE RELEASE
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|
|
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Patent #:
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|
Issue Dt:
|
12/29/2009
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Application #:
|
11855674
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Filing Dt:
|
09/14/2007
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Title:
|
HEAVY DUTY TRENCH FRAME AND GRATE ASSEMBLY
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|
|
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Patent #:
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|
Issue Dt:
|
08/05/2014
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Application #:
|
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:
|
02/14/2008
| | | | |
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Title:
|
BOLLARD ASSEMBLY
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|
|
|
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Patent #:
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|
Issue Dt:
|
10/23/2012
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Application #:
|
12030591
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Filing Dt:
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02/13/2008
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Publication #:
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Pub Dt:
|
08/14/2008
| | | | |
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Title:
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TRENCH GRATE ASSEMBLY WITH DEBRIS CHUTE
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|
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Patent #:
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Issue Dt:
|
04/13/2010
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Application #:
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12332952
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Filing Dt:
|
12/11/2008
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Title:
|
CAM-LIFT FOR A MANHOLE COVER
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|
|
|
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Patent #:
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|
Issue Dt:
|
05/11/2010
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Application #:
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12357525
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Filing Dt:
|
01/22/2009
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Publication #:
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Pub Dt:
|
06/18/2009
| | | | |
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Title:
|
METHOD OF CONTROLLABLY VENTING GASES GENERATED BY EXPLOSIONS IN A MANHOLE SPACE
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|
|
|
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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:
|
06/11/2009
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|
Publication #:
|
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Pub Dt:
|
02/04/2010
| | | | |
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Title:
|
MANHOLE COVER STOP MECHANISM
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|
|
|
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Patent #:
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|
Issue Dt:
|
08/16/2016
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Application #:
|
14625766
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Filing Dt:
|
02/19/2015
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|
Publication #:
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|
Pub Dt:
|
02/25/2016
| | | | |
|
Title:
|
Pressure Responsive Locking Latch Arrangement For Manhole Covers
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|
|
|
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Patent #:
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|
Issue Dt:
|
01/09/2018
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Application #:
|
14831406
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Filing Dt:
|
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:
|
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 #:
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|
Issue Dt:
|
03/06/2018
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Application #:
|
15268015
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Filing Dt:
|
09/16/2016
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|
Publication #:
|
|
Pub Dt:
|
03/23/2017
| | | | |
|
Title:
|
MANHOLE COVER ASSEMBLY
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|
|
|
|
Patent #:
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|
Issue Dt:
|
03/19/2019
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Application #:
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15491541
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Filing Dt:
|
04/19/2017
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|
Publication #:
|
|
Pub Dt:
|
10/25/2018
| | | | |
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Title:
|
FLOATING MANHOLE COVER ASSEMBLY
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|
|
|
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Patent #:
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|
Issue Dt:
|
05/11/2021
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Application #:
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15835589
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Filing Dt:
|
12/08/2017
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|
Publication #:
|
|
Pub Dt:
|
04/12/2018
| | | | |
|
Title:
|
MANHOLE COVER ASSEMBLY
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|
|
|
|
Patent #:
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|
Issue Dt:
|
11/08/2011
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Application #:
|
29315770
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Filing Dt:
|
07/22/2009
|
|
Title:
|
DETECTABLE WARNING PLATE
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|
|
|
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Patent #:
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|
Issue Dt:
|
08/24/2010
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Application #:
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29354563
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Filing Dt:
|
01/26/2010
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|
Title:
|
GRATE
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|
|
|
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Patent #:
|
|
Issue Dt:
|
01/01/2013
|
Application #:
|
29410618
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Filing Dt:
|
01/10/2012
|
|
Title:
|
FRAME AND CURB BOX
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/25/2012
|
Application #:
|
29410628
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Filing Dt:
|
01/10/2012
|
|
Title:
|
FRAME AND CURB BOX
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|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/14/2013
|
Application #:
|
29429589
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Filing Dt:
|
08/14/2012
|
|
Title:
|
FRAME AND CURB BOX
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/14/2013
|
Application #:
|
29429592
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Filing Dt:
|
08/14/2012
|
|
Title:
|
FRAME AND CURB BOX
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/13/2013
|
Application #:
|
29440894
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Filing Dt:
|
12/28/2012
|
|
Title:
|
INTEGRATED FRAME AND CURB BOX
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/13/2013
|
Application #:
|
29440899
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Filing Dt:
|
12/28/2012
|
|
Title:
|
INTEGRATED FRAME AND CURB BOX
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