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| Number | Title | Issue Date |
| 7441983 | Energy absorbing system with support An energy absorbing system. The system includes two anchors, a net mechanically coupled thereto and spanning a roadway, and a first raising/lowering arm arranged on one side of the roadway. The first raising/lowering arm mechanically coupled to and supporting an upp... | 10/28/2008 |
| 7384211 | Cable crash barrier apparatus with novel cable construction and method of preventing intrusion Cable crash barrier apparatus precludes unwanted ingress and egress and electronically monitors breaches. Substantial thickness of the cable provides mechanical integrity resistant to, for example, a 400 lb. vehicle traveling at speeds up to at least about 52 miles ... | 06/10/2008 |
| 7374362 | Vehicle barrier In order to stop a moving vehicle without injury to occupants, a vehicle barrier is provided having a pair of platforms disposed on opposite sides of a roadway, and a capture net extending across the roadway between the platforms. Each platform has a rotatably mount... | 05/20/2008 |
| 7320557 | Anti-terrorism vehicle security barrier A vehicle barrier is formed with a barrier gate mounted on a pair of opposing lift arms pivotally connected via pivot shafts to a support structure. A plurality of endless bands are looped around the opposing pivot shafts and positioned to pass through compartments ... | 01/22/2008 |
| 7237410 | Surfboard lock A surfboard lock is described being of unitary construction and including a lock body including two engagement members; the engagement members are movable from a retracted position to an extended position and may be locked in the extended position; in the retracted ... | 07/03/2007 |
| 7204764 | Hockey safety net A method and system are provided for supporting, installing, and removing a safety net or other partition in a multiple use facility. The support system is comprised of a number of linear or substantially linear segments that are coupled together in a configuration ... | 04/17/2007 |
| 7178790 | Constructive arrangement feature improvement introduced in poles for the organization of lines A stanchion has three tapes arranged in spaced relation along the upstanding post for controlling pedestrian traffic. Each stanchion/post has four guide grooves that extend the entire length of the post. Each stanchion is of annular cross section having an inner or ... | 02/20/2007 |
| 7140802 | Retractable wide-span vehicle barrier system There is provided a barrier system for stopping land-based and water-based vehicles from entering predetermined areas. The barrier system, which may protect relatively wide spans, is capable of stopping relatively high mass vehicles traveling at relatively high spee... | 11/28/2006 |
| 7128308 | Modular barrier system for satisfying needs unique to a specific user Components and a system for limiting access and egress. A properly scaled barrier of the present invention meets varied requirements for applications that include: security, safety, order, privacy, and discipline. In one embodiment, pre-manufactured panels and conne... | 10/31/2006 |
| 7098807 | Traffic-signaling system The present invention provides a traffic-signalling device suitable for providing information to oncoming traffic. The traffic-signalling device comprises a moveable member suitable for attachment to a support and a solar powered drive system. The moveable member is... | 08/29/2006 |
| 7037028 | Security barrier A security barrier includes a horizontal composite beam extending across a roadway is mounted between vertical posts at either end of the beam. Hydraulic cylinders fastened at each beam end and to the vertical posts cause the beam to be raised and lowered, as needed... | 05/02/2006 |
| 7014388 | Anti-vehicle security system An anti-vehicle security system that includes a truss assembly formed with a plurality of monolithic stanchions. A container having a hinged door is fixed on the truss assembly. The system also includes two spaced-apart guides that extend from within the container t... | 03/21/2006 |
| 6997637 | Deceleration-limiting roadway barrier Roadway barrier system and method are disclosed for decelerating a moving vehicle in a controlled manner and for retaining the decelerated vehicle. A net or mesh of the roadway barrier system receives and captures the moving vehicle. The net or mesh is secured to an... | 02/14/2006 |
| 6969050 | Weighted pulley system crowd control stanchion A crowd control stanchions having an extendible tape in which a weighted pulley system rather than a spring mechanism is used to maintain tape tension when the tape is extended and to retract the tape. ... | 11/29/2005 |
| 6845589 | Cable gate A gate for controlling passage through an opening including a first support located on one side of the opening, a second support located on the other side of the opening, at least one elongate member, having a first and a second end, extendable across the opening be... | 01/25/2005 |
| 6598260 | Liquid barrier system A liquid barrier system for protecting selected areas of flooring from liquid flow. The liquid barrier system includes a pair of end assemblies adapted for abutting a surface of a floor, and an elongate barrier assembly having two ends, each one of the ba... | 07/29/2003 |
| 6543185 | Revolving door A revolving door (1) comprising at least two operating sashes (2, 3) and at least three arc-shaped side walls (4, 5, 6), arranged opposite one or several entrance passages (7, 8) or exit passages (9, 10) at the drum periphery. The door is characterised in... | 04/08/2003 |
| 6485225 | Barrier apparatus having magnetic components Throughway barrier apparatus comprises a pair of housings (51, 52; 151, 152) to be sited one to each side of a throughway (58). Each housing is provided with an upstanding surface (53, 54) of magnetic material, the two surfaces (53, 54) facing one another... | 11/26/2002 |
| 6382869 | Above grade mass displacement trafficway barrier An above-grade trafficway barrier adapted to arrest heavy vehicles, with an obstruction member extending between opposite sides of the trafficway, and controlled by its known mass deposed upon the grade level and preferably by spaced inertia blocks depose... | 05/07/2002 |
| 6370821 | Flexible gate A flexible gate is disclosed which comprises a plurality of segments. The segments may be connected by at least one coupling. When the flexible gate is acted on by a force, the flexible gate may flex. When the force is no longer present, the flexible gate... | 04/16/2002 |
| 6349503 | Fluid powered barrier system A flexible barrier system is described that can be lowered or raised from a remote location using an accompanying remote control device which is either lockable or not lockable. The motor and mechanics used to raise and lower the chain are modular for eas... | 02/26/2002 |
| 6335074 | Low warpage insulated panel design A thermal insulation panel exhibits little or no warping due to temperature differences between different portions of the panel. The panel comprises insulation material and an envelope for encapsulating the insulation material. The envelope comprises a ba... | 01/01/2002 |
| 6312188 | Non-lethal, rapidly deployed vehicle immobilizer There is disclosed a device and associated method for impeding the motion of a land vehicle travelling along a pathway on a terrain surface. First and second supports are positioned at first and second sides of the pathway, respectively, each capable of b... | 11/06/2001 |
| 6279276 | Protective assembly for loading docks A protective system for overhead doors on loading dock platforms for use in connection with a pair of pipe bollards permanently erected at each of the sides and in front of the door. The system includes a pair of net securing devices each having a mountin... | 08/28/2001 |
| 6192627 | Lead screw barrier system A flexible barrier system is described that can be lowered or raised from a remote location using an accompanying remote control device which is either lockable or not lockable. The motor and mechanics used to raise and lower the chain are modular for eas... | 02/27/2001 |
| 6135190 | Chain barrier A remote-controlled mechanical device is described with a winding mechanism configured for preventing backwinding. The barrier can be lowered or raised from a remote location using an accompanying remote control device. The motor and mechanics used to rai... | 10/24/2000 |
| 6062765 | Vehicle arresting system The present invention to provides a rapidly deployable system and method for arresting the movement of a vehicle with minimal injury to the vehicle or its occupants. The invention provides a system which applies a braking force which varies according to v... | 05/16/2000 |
| 6035921 | Gate control apparatus A gate control apparatus includes a gate support member, an arm pivotally mounted thereto and having gate members connected to the arm, a flexible line connected to the arm, a line takeup for carrying the flexible line, and an actuator for actuating the l... | 03/14/2000 |
| 5993104 | Non-lethal, rapidly deployed, vehicle immobilizer system There is disclosed a transportable device and associated method for impeding the motion of a land vehicle travelling along a pathway on a terrain surface. First and second supports are positioned at first and second sides of the pathway, respectively, eac... | 11/30/1999 |
| 5871038 | Remote controlled mechanical chain barrier A remote-controlled mechanical locking chain gate has an electrically controlled winding mechanism with a locking device to keep the chain tight and prevent the chain from loosening when pressure is applied to the chain thus putting it into a locked posit... | 02/16/1999 |
| 5829912 | Non-lethal, rapidly deployed, vehicle immobilizer system There is disclosed a transportable device for non-destructively impeding the motion of a land vehicle travelling along a pathway. First and second telescoping devices located on either side of the pathway support a barrier. When the telescoping supports a... | 11/03/1998 |
| 5816946 | Portable safety system for isolating on-deck batter Portable safety system for isolating an on-deck batter during a baseball or softball game comprises one or more poles, a length of cord long enough to surround an on-deck area, structure to support the cord and a fastening system for fastening the ends of... | 10/06/1998 |
| 5752559 | Wire gate control apparatus A wire gate control apparatus includes a base sleeve having an aperture near the top thereof and a longitudinal slot at the bottom thereof and further having a keeper biasedly mounted at the aperture, and further includes a plunger slidably disposed withi... | 05/19/1998 |
| 5653058 | Railroad gate arm swivel adapter spring assembly A railway gate arm assembly including a gate arm which is mounted to permit pivoting about a longitudinal axis when an external force is applied to the gate arm thereby causing the latter to swivel out of a vertical plane, and at least two torsion springs... | 08/05/1997 |
| 5649396 | Loading dock safety barrier A semaphore type loading dock safety barrier for use across a vehicle passageway to prevent accidentally driving a vehicle off the end of the loading dock. A barrier mount is attached to a guidepost inside the loading dock doorway and is horizontally rota... | 07/22/1997 |
| 5634738 | Vehicle arresting system A restraining barrier assembly is positionable across a roadway in a deployed position to define a restraining zone and may be moved vertically to a passive position. The barrier may be a rectangular net with wires (or cable) (21, 22, 23) spanning the net... | 06/03/1997 |
| 5624203 | Energy absorbing barrier system with crash indication A restraining barrier (30) is positionable across a roadway in a deployed position to define a restraining zone and may be moved vertically to a passive position by first and second transport members (13, 14) slideably mounted to first and second towers (... | 04/29/1997 |
| 5537778 | Security barrier apparatus A security barrier apparatus suitable for use in residential, farm and industrial settings includes a motor, a chain and a brake mechanism for engaging the chain. The apparatus is mounted to a first support such as a post. The chain extends from the first... | 07/23/1996 |
| 5517787 | Removable entranceway puzzle gate A removable barrier gate to block a driveway or doorway, that has at least two crossmembers that attach to either side of the opening, and a linking member that connects the inner ends of the crossmembers together, forming a continuous barrier across the ... | 05/21/1996 |
| 5501429 | Partition pole system A partition pole system for guiding visitors in public spaces, buildings, or the like has a plurality of spaced partition poles each composed of a base and a hollow pole mounted on the base, and a plurality of partition cords housed in the poles, respecti... | 03/26/1996 |
