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2022
|
G/S
|
Barricades of metal; Automated security gates of metal; Crash barriers of metal; Crash barriers o... |
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2020
|
G/S
|
Automated security gates of metal; Barricades of metal; Crash barriers of metal; Crash barriers o... |
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2012
|
Invention
|
Wedge-shaped vehicle barrier with sling. A wedge-shaped vehicle barrier, including a top assembly... |
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2010
|
Invention
|
Energy absorbing system. An energy absorbing system having a stanchion, a linearly extendable ene... |
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|
Invention
|
Vehicle barrier with release mechanism. A barrier for arresting a vehicle. The barrier includes a... |
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2009
|
G/S
|
Vehicle barriers made of metal; Portable metal free-standing barriers; Metal traffic barricades |
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2008
|
Invention
|
Energy absorbing system with support. An energy absorbing system. The system includes an energy a... |
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2007
|
Invention
|
Energy absorbing system with support. An energy absorbing system. The system includes two anchors... |
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|
Invention
|
Net and mat. An energy absorbing system. The energy absorbing system spanning a roadway and inclu... |
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2006
|
Invention
|
Security barrier system. A security barrier apparatus which may be used in conjunction with an ex... |
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2005
|
Invention
|
Energy absorbing bollard system. An energy absorbing system. The energy absorbing system includes... |
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2004
|
Invention
|
Retractable energy absorbing system. An energy absorbing system. The energy absorbing system incl... |
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|
Invention
|
Security barrier reinforcing system. A system for upgrading new and existing gates or barriers to... |
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2003
|
Invention
|
Energy absorbing system with support. An energy absorbing system. The system includes an anchor, ... |
|
|
Invention
|
Energy absorbing system. A heavy duty ground retractable automobile barrier for a railroad crossi... |
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2001
|
G/S
|
vehicle arresting system, namely an automatically deployed restraining barrier primarily composed... |
