Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 8118517 | Manhole cover device A rubber manhole cover, suitable for attaching to a top of a metal manhole lid, includes at least two bonded layers of rubber material of differing properties, including a bottom layer of a first rubber material, and a top layer of vulcanized rubber material, the to... | 02/21/2012 |
| 8061928 | Utilities access closure A concrete lid for an in-ground utilities box includes a plastic reinforcement structure filled with concrete. The plastic reinforcement structure includes one or more plastic sidewalls that protect the edges of the lid from damage. The upper and lower surfaces of t... | 11/22/2011 |
| 8057123 | Device for a pavement manhole with a support frame for closing a panel hinged on the frame using permanent articulation means The present invention relates to a device for a pavement manhole with a support frame, for closing a panel hinged on the frame using permanent articulation means. The device is characterized in that the pivot axis (8) includes a pin made of at least two parts... | 11/15/2011 |
| 7914227 | Thermally and electrically insulated composite manhole covers A manhole cover includes a support having an upper surface and a peripherally-extending portion. An outer insulating member is disposed over the entire upper surface of the support, and the support comprises a first material and the outer insulating member comprises... | 03/29/2011 |
| 7905679 | Dual lifting manhole cover A one-piece, unitary manhole cover has dual lifting ports that drain through the outer circumferential edge of the cover. A lifting channel runs from the interior of the upper face out to the outer circumferential edge. A lifting bar spans the lifting channel and de... | 03/15/2011 |
| 7896574 | Self-locking manhole cover A manhole cover having an integrated locking system that is self-locking and easy to open. The device includes a cover plate adapted to rest on a manhole cover support surface of a manhole frame so as to be substantially flush with a top portion of the manhole frame... | 03/01/2011 |
| 7891904 | Manhole cover stop mechanism A stop mechanism advantageously combined with a manhole cover includes a holder body having a passage which slidably receives a stop member able to be cammed in and out upon advance or retraction of a threaded drive member having an enlarged tip engaged with a down ... | 02/22/2011 |
| 7887252 | Waterproof manhole assembly assisted by hydraulic device A semi-automatic manhole assembly assisted by a hydraulic device consists essentially of a circular frame (1), a cover (2) provided on the top, a hydraulic device (3) and a supporting unit (5) provide therebetween and jointed with both th... | 02/15/2011 |
| 7887251 | Hydraulic manhole assembly A manhole assembly which is designed to be opened with less strength consists of a circular frame (1) with a cup (11) provided on an end, and a cover (2) with an arm (21) which joints said cup (11) provided on an end thereof, chara... | 02/15/2011 |
| 7866915 | Covering for an access aperture, and related assemblies A covering (10), for an access aperture, comprises a pair (11, 12) of cover plates, of unequal sizes, that are positionable one adjacent the other along a line of juxtaposition (14) to define a generally rectangular covering. The line of juxtapo... | 01/11/2011 |
| 7832958 | Swing-out manhole cover A swing-out manhole cover assembly having at least one ramp to facilitate opening and closing the cover. The manhole cover assembly includes a frame, a cover, a swing assembly and at least one ramp. As the cover swings open away from the frame about the swing assemb... | 11/16/2010 |
| 7798742 | Security key tool for manhole access opening security device A security key tool for unlocking and locking a manhole security device that secures a manhole access opening. The security key tool includes a longitudinal body portion and a handle portion. A security key at a first end of the longitudinal portion is adapted to en... | 09/21/2010 |
| 7789586 | Angled manhole sealing band and method for use The invention relates to a device and method for sealing a manhole structure. A band with a relatively rigid angled corner engages the upper margin of a manhole structure. Adhesives may also be used with the band to enhance the seal with the manhole structure. ... | 09/07/2010 |
| 7753617 | Utility cover system A utility cover system which includes an outer frame having an opening defined by an inner tapered edge, and a wedge cover plate formed of a resilient material having an outer tapered edge that fits within the opening of the outer frame. The outer frame preferably h... | 07/13/2010 |
| 7748926 | Utilities access closure A concrete lid for an in-ground utilities box includes a plastic reinforcement structure filled with concrete. The plastic reinforcement structure includes one or more plastic sidewalls that protect the edges of the lid from damage. The upper and lower surfaces of t... | 07/06/2010 |
| 7748927 | Manhole insert and tether locking apparatus and method A watertight manhole insert and tether locking apparatus and method of use designed to prevent unauthorized entry into a sanitary sewer or other closed drainage system through a manhole closed by a manhole cover. The manhole insert is located beneath the manhole cov... | 07/06/2010 |
| 7744304 | Socket hinged construction casting assembly A manhole or hatch cover assembly includes a frame defining an opening and a cover having a top surface, a bottom surface and a perimeter sized and dimensioned for receipt in the frame opening. The cover is coupled to the frame through a hinge connection and moveabl... | 06/29/2010 |
| 7744305 | Manhole with locking device The present invention relates to a manhole (10) with a locking device, and more particular to a manhole with a locking device, which comprises a manhole frame (20) having a plurality of insertion slots (24) inwardly protruded from an inner circu... | 06/29/2010 |
| 7726903 | Manhole system A manhole system that includes a manhole cover and a frame with at least one locking device for maintaining the manhole cover in place on the frame. The locking device is selectively movable between locked and unlocked positions to selectively engage the cover to ho... | 06/01/2010 |
| 7726902 | Locking cover for wells and underground tanks A locking cover apparatus for an opening in the ground is disclosed. The apparatus can be retro-fitted to an existing ground opening, or can be newly constructed ground opening fitted with the apparatus of the present invention. The apparatus features a keyed lock t... | 06/01/2010 |
| 7704010 | Security device for manhole access opening A manhole security device for securing a manhole access opening includes a circular barrier adapted to rest on a manhole cover support flange of a manhole frame. Locking members on the barrier are movable between a locked position in which the locking members are ad... | 04/27/2010 |
| 7695213 | Cam-lift for a manhole cover A manhole cover assembly including a frame defining an opening and a cover sized to engage the opening. A lift pin is retained by the frame, defining a first axis, and includes a bearing portion, and a top end connected to the cover. The lift pin is free to slide ax... | 04/13/2010 |
| 7658570 | Manhole system A remotely actuated manhole system is disclosed having a cover that is pivotable relative to a frame secured with a collar on a bulk carrier, the cover being pivotable around a substantially vertical axis between and to open and closed positions. In the closed posit... | 02/09/2010 |
| 7607858 | Secure manhole accessway An enhanced security manhole cover is disclosed, comprising a frame, outer cover, inner cover, crossbar, saddle, eyebolt, and padlock. The inner cover, which closes the lower opening in a manhole, includes a detent in the top surface for receiving the eyebolt. The c... | 10/27/2009 |
| 7559717 | Subterranean conduit cover Provided herein are covers useful for covering the open end of an access conduit that may contain fluid control equipment. A cover according to the invention comprises a disc-shaped base portion having a top surface and a bottom surface, with a plurality of risers a... | 07/14/2009 |
| 7540683 | Subterranean conduit cover Provided herein are covers useful for covering the open end of an access conduit that may contain fluid control equipment. In one embodiment, a cover according to the invention comprises a disc-shaped base portion having a top surface and a bottom surface, with a pl... | 06/02/2009 |
| 7537413 | Adjustable manhole cover apparatus An adjustable manhole cover apparatus designed to fill a gap of any size or shape between a manhole and a resurfaced road pavement. The preferred embodiment provides a plastic bag filled with cement or heavy foam to fill the gap and an aluminum lid. The plastic bag ... | 05/26/2009 |
| 7491010 | Road manhole This road manhole comprises a frame (4) which delimits an opening (6) and which is provided with an internal collar (8) which extends radially inwards, a cover (10) which comprises a blocking web (12) and a cylindrical skirt (14... | 02/17/2009 |
| 7484909 | Reinforced composite manhole cover assembly A lightweight manhole cover assembly includes a cover and a base, with the cover including an inner surface having a plurality of ribs extending therefrom. The base includes an inner surface having a plurality of receptacles extending therefrom. The receptacles of t... | 02/03/2009 |
| 7484908 | Manhole cover security lock with controlled pressure release A controllably releasable security locking arrangement for a manhole cover allows a manhole cover to be locked into position but allows the manhole cover to rise up in stages upon development of upward forces in an explosion to vent gases developed by the explosion.... | 02/03/2009 |
| 7455474 | Device permitting a plug or a cover to lock in a detachable manner onto a frame This invention is a device permitting a plug or a cover to lock in a detachable manner onto a frame. In accordance with the invention, the metal washer (9), interposed between the screw head (4) and the mounting surface (7) formed at the ... | 11/25/2008 |
| 7438498 | Security system for sewage, aqueduct, telephony and energy caps Security System for Sewer, Aqueduct, Telephone and Energy System Manhole Caps or Covers including an electromechanical cover (1), on the surface of which is placed an electromagnetic crane (2) that has a handle (3), and that has an emitting coil... | 10/21/2008 |
| 7367362 | System and method for pipe repair A system and method of repairing a pipe including securing a reinforcing material, such as a dry fiber structure (e.g., a carbon fibers) to the surface of the pipe. A polymeric material is placed on top of the reinforcing material, self-penetrating the dry fiber str... | 05/06/2008 |
| 7361834 | Electric handhole/pullbox access cover A lightweight plastic cover for an electric handhole or pullbox having a plurality of vertical channels in a circular array at a radius about halfway from the center to the circumference. The channels allow the cover to bend when a large weight is applied and to reb... | 04/22/2008 |
| 7354220 | Utility cover system A utility cover system and method of covering and sealing an access cover for a utility entrance within a road surface. The utility cover system includes an outer frame having an opening defined by an inner edge, and a wedge cover of resilient material having an out... | 04/08/2008 |
| 7350827 | Cam expansion ring assembly An expansion ring assembly and method for sealingly installing a gasket within an opening in a wall of a structure. The expansion ring assembly includes an expansion ring having first and second adjacent end portions, and first and second cam members are rotatably c... | 04/01/2008 |
| 7347644 | Multi-use adapter ring for stackable riser components for on-site waste systems A multi-use adapter ring for converting the compatibility of an access opening of an underground on-site waste or drainage facility tank surface or component so as to receive a lower end of a riser component, in a tongue-and-groove type connection, to help achieve a... | 03/25/2008 |
| 7347070 | Locking access box cover A locking access box cover includes an access box cover having a key aperture and a locking mechanism coupled to the access box cover. The locking mechanism includes a base plate, a guide plate coupled to the base plate and a rotating mechanism operatively coupled b... | 03/25/2008 |
| 7341398 | Lift-assisted manhole cover A lift-assisted manhole cover assembly with a flush surface and external pivot shaft. The cover includes a mounting tab that extends beyond the general periphery of the cover. The mounting tab may be connected to a shaft that is threadedly engaged with the frame. A ... | 03/11/2008 |
| 7334375 | Evacuated panel for thermal insulation of a body having non-planar surfaces An evacuated panel is provided for thermal insulation of a body (3, 4) having non-planar surfaces, the panel having two main faces and comprising a flexible envelope (1), made of one or more barrier sheets, and a filling material formed of at least two... | 02/26/2008 |
