Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8117786 | Insulation barrier for ceiling hatch openings A barrier or dam to contain loose insulation from falling through an attic access hatch or scuttle opening is provided. Embodiments include four pieces that can be assembled together around the perimeter of hatches of varying sizes. Two of the pieces may be male pie... | 02/21/2012 |
| 8006439 | Closing device This device for closing an opening includes a frame (4) that delimits a pass-through access opening (10) suitable for receiving a cover (6) and which includes a frame hinge knuckle (18). The frame hinge knuckle (18) includes a hing... | 08/30/2011 |
| 7997031 | Riser pan component for on-site waste systems An integrally formed riser pan member for use as a modular component within an access passageway for an on-site waste disposal system, such as a septic tank, to receivably retain a secondary cover member within, the riser pan member including a cylindrical body havi... | 08/16/2011 |
| 7900403 | Log staircase and a method of producing components for a log staircase A log staircase is disclosed along with a method of producing components for the log staircase. The log staircase includes an elongated stringer capable of angularly extending from a lower level to an upper level. The stringer has an outer circumference with a notch... | 03/08/2011 |
| 7841134 | Insulator construction for pull down stairs An insulating construction. The construction is formed from a blank construction having a square or rectangular central portion and a side section attached to each side of the central portion. Two wing sections are attached to each of two opposing side sections. The... | 11/30/2010 |
| 7836638 | Attic access An attic access apparatus comprises an access frame with sidewalls extending upward from a flange member and configured to extend upward into an attic opening between structural members forming the attic opening. A recessed groove along inner surfaces of the sidewal... | 11/23/2010 |
| 7827737 | Recessed plaster collar assembly A plaster collar assembly having a first ring, a second ring secured to the first ring, and a mechanism arranged at an outer periphery of at least one of the rings for axially displacing the first and second rings during rotation of the secured rings relative to eac... | 11/09/2010 |
| 7770333 | Adapter ring for on-site waste treatment or drainage systems An adapter for a tank, having a bottom with one or more adhesive-receiving channels formed therein, an inner wall, structure for supporting a riser component on the adapter, and wall reinforcement structure. The adapter is particularly suited to providing pre-cast c... | 08/10/2010 |
| 7571570 | Recessed plaster collar assembly A plaster collar assembly having a first ring, a second ring secured to the first ring, and a mechanism arranged at an outer periphery of at least one of the rings for axially displacing the first and second rings during rotation of the secured rings relative to eac... | 08/11/2009 |
| 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 |
| 7434363 | Insulating cover A thermal insulating cover is presented. The cover includes a top, a plurality of sides extending from the top and a wide base perimeter extending from the plurality of sides. The device may be formed as a unitary piece, or may be provided in two or more sections wh... | 10/14/2008 |
| 7428800 | In-ground shelter An improved shelter of the type having a front wall, a back wall, two opposing side walls, a bottom and a top defining a substantially rectangular box with an opening defined in the top, a flat lid adapted to cover the opening, a roller means for alternately rolling... | 09/30/2008 |
| 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 |
| 7356968 | Polymer composite basement door Cellar or bulk head doors having sidewalls are provided which are made of a polymer and which are strong, durable, attractive, virtually maintenance free, easily assembled, have connection and anchorage points which allow the door assembly to be used over a wide tem... | 04/15/2008 |
| 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 |
| 7337584 | Insulated ceiling hatch A ceiling hatch employs a frame having an upper edge and a lower edge and a passage bounded by a sidewall passing therebetween, the passage extending from the lower edge to the upper edge and having its minimum cross section at the lower edge. This frame is employed... | 03/04/2008 |
| 7334420 | Air conditioning unit installation The installation of an air conditioning unit upon a roof having a sloping surface includes providing a framework having a first frame and a second frame which are joined for relative reciprocal movement whereby the framework can be secured to roof and adjusted to pr... | 02/26/2008 |
| 7331144 | System and method for operating a barrier with a timer A pause profile is stored in a memory. An ambient condition is determined. The pause profile is accessed in the memory and a pause time is determined based upon the measured ambient condition. A moveable barrier is caused to remain in an open position for the pause ... | 02/19/2008 |
| 7313889 | Temporary ground-level road-edge member and method for positioning below-ground structures A template for temporary placement on the open upper end of a below-ground structure, including a rectangular body matching key dimensions of a permanent ground-level member to be installed, the body having an open bottom to engage the open upper end of the below-gr... | 01/01/2008 |
| 7303354 | Temporary manhole cover A temporary cover for manholes to provide a platform for maintenance workers when operating valves of underground utility systems. The cover comprising a circular outer rim dimensioned to fit into a manhole opening, a pair of parallel and spaced apart rods extending... | 12/04/2007 |
| 7300037 | Protection device for roof openings A fall protection device for an opening in a roof includes at least one rail section having a vertical member. The vertical member is preferably in the form of a metal tube having an open lower end. A bearing foot has a connecting portion and a bearing portion and i... | 11/27/2007 |
| 7293937 | Cover arrangement A cover arrangement for a surface drainage device or similar hollow body is provided that is adapted to be installed in the ground and to be opened. This comprises a rectangular frame to be installed in the ground, a cover that can be inserted into the frame, hinge ... | 11/13/2007 |
| 7266926 | Temporary ground-level member and method for positioning below-ground structures A template for temporary placement on the open upper end of a below-ground structure, including a body matching key dimensions of a permanent ground-level member to be installed, the body having an open bottom to engage the open upper end of the below-ground structu... | 09/11/2007 |
| 7225587 | Cover system for septic tank A cover system for septic tanks adapted to be attached to the a septic tank and provide access for repair and maintenance. The assembly includes a base which is embedded into the concrete and provides a seal between the concrete and the base. A pipe member is joined... | 06/05/2007 |
| 7223051 | Removable maintenance port with method for rehabilitating manhole A removably insertable apparatus for creating and accessing manholes and a method for rehabilitating manhole structures and the like, using the apparatus. The apparatus comprises two sections, both of which are load bearing composite materials such as reinforced fib... | 05/29/2007 |
| 7201532 | Method and device for adjusting height of manhole A method and a device for safely and efficiently adjusting the height of a manhole freely allowing the addition and removal of a height adjusting member at any position. The method and device may be used for the manhole formed by installing a tubular shaped frame in... | 04/10/2007 |
| 7201534 | Apparatus and method to secure manhole accessways A manhole access way security apparatus and method for using the security apparatus are disclosed. The security apparatus includes an insert, at least one locking pin and a locking mechanism each interconnected to allow users to easily and quickly install a security... | 04/10/2007 |
| 7201533 | Sewer grate locking mechanism and method of installing same A conventional sewer grate has a locking mechanism for preventing removal of the grate from its mounting frame by unauthorized persons. The locking mechanism includes a grate hold-down device, a threaded nut attached to the mounting frame below the hold-down device,... | 04/10/2007 |
| 7178290 | Manhole cover having a locking crossbar A pit cover includes a casing, a cross bar and cover plate. The casing has a peripheral wall in the general shape of a rectangle, with open opposite ends and. The cross bar is coupled to and extends across the wall on an inside of the casing. The cover plate is conf... | 02/20/2007 |
| 7171794 | Door A peripherally encapsulated product, such as an oven door outer shell, is molded in accordance with this invention by placing a piece of glass between mold clamping portions of relatively movable closed bodies when the latter are in an open position. Preferably both... | 02/06/2007 |
| 7162844 | Use of partial precast panels for construction of concrete walls and shells A precast panel for building reinforced concrete walls has a metal liner that forms a front surface of the panel. A concrete mass is disposed behind the liner. The panel has reinforcement structure within the concrete mass that can be used to provide continuity of r... | 01/16/2007 |
| 7160050 | Lockable manhole cover A manhole system including a cover, a frame receiving the cover and at least one security device securing the cover to the frame. ... | 01/09/2007 |
| 7108394 | Built-in low-glare light fixtures recessed in ceilings and walls A line of recessed low-glare lighting fixtures provides a totally built-in architectural recessed appearance: a special cast mounting unit has a recessed duct portion formed integrally with a flat face flange portion defining a light-exit opening. The face flange po... | 09/19/2006 |
| 7104722 | Manhole cover A manhole cover includes a cylindrical manhole including manhole lugs, wherein the manhole lugs extend around the upper outer periphery of the manhole; the cover includes cover lugs, the cover lugs extend around the outer periphery of the cover. The cover co-operati... | 09/12/2006 |
| 7089704 | Attic hatch A prefabricated attic hatch includes a frame comprising an outer frame and an inner frame. The inner frame encloses a central insulating panel which is fabricated from metal-skinned insulating foam. A preferred material for the panel is metal insulated door waste ma... | 08/15/2006 |
| 7080954 | Ready-to-install road building apparatus and corresponding installation method An apparatus for covering a ditch includes a cover and girders having rabbets with projecting edges and flat-lying edges, the cover being placed on the rabbets. The apparatus has, before it is set up, a configuration for installation including one or several bars pa... | 07/25/2006 |
| 7028431 | Fire-resistant door A fire-resistant, aluminum, cementitious-material-free, insulation-free door adapted to prevent the spread of fire and heat passing therethrough, consists of: a door frame, a door hingedly mounted on the door frame, the door having a bottom wall, a top wall, and sid... | 04/18/2006 |
| 7025529 | Self-leveling system Existing street sewers consist of an immobile concrete structure supporting a frame. The present invention, the self-leveling street sewer, comprises a frame that floats on the foundation of the street and a tubular section that is connected to the connecting condui... | 04/11/2006 |
| 7013606 | Roof pipe chase housing system A roof pipe chase housing system for allowing pipes to pass through a roof without leaking. The roof pipe chase housing system includes a roof curb, a housing structure attached to the roof curb, and a tower structure attached to the housing structure. The housing s... | 03/21/2006 |
| 7000362 | Screening device A screening device is provided with multiple channel upper and lower panel retaining members that allow multiple panel members to be slid in front of or behind each other. Channel end caps and close spacing of the upper and lower panel retaining members prevent remo... | 02/21/2006 |
