Patents Examined by James A. Lisehora
  • Patent number: 6102615
    Abstract: An apparatus for applying a coating to a surface. Preferably, the coating is a polymer fortified cement applied to protect various surfaces. The apparatus includes a support frame and a tank for storing coating materials. The tank is operably associated with the support frame. The tank includes a dispensing conduit for dispensing coating materials onto a surface. The apparatus further includes a coating material applicator operably associated with the support frame for applying the coating material to a surface. In other words, the coating applicator is directly or indirectly connected (i.e. operably associated) to the support frame to apply the coating material to a surface. The coating material applicator includes a first blade, a finishing blade and at least one end blade. The end blade is configured such that the portion directly adjacent the surface to be coated is the thinnest portion of the end blade.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: August 15, 2000
    Inventor: Jack H. Wilson, Sr.
  • Patent number: 6099205
    Abstract: An improved asphalt paver having a remixing conveyor system that is adapted to substantially or entirely eliminating segregation in hot mix asphalt material delivered to the asphalt paver. The remixing conveying system includes at least one pair of parallelly spaced, oppositely pitched, counter-rotating hydraulically driven feed augers having remixing blades that intermittently displace portions of the hot mix asphalt material generally transversely to the direction that the feed augers convey the hot mix asphalt material from a hopper of the asphalt paver to spreading augers near the rear of the machine. Elongate members over the feed augers provide protection from impact forces and overloading and enhancing lateral extraction of hot mix asphalt material from the hopper. An optional feed screen provides flow control of the hot mix asphalt material in the hopper. A kit is provided for converting existing asphalt paving machines to have desegregating capability.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: August 8, 2000
    Assignee: Cedarapids, Inc.
    Inventors: Charles G. Macku, John A. Trygg
  • Patent number: 6099204
    Abstract: An apparatus for inserting dowel bars into a concrete slab in association with a slip forming machine of a type having a frame with a pan attached thereto for shaping uncured concrete into a continuous concrete slab. The pan itself has a space therein completely across the pan and dowel bar retainers are disposed above this space in the pan for holding dowel bars in readiness to be inserted into the concrete slab. A dowel bar inserter is disposed above each of the dowel bar retainers for pushing the dowel bars down, preferably all at one time. The dowel bar inserter is adjustable and removable. If removed, the forward and rear portions of the pan can be bolted together instead of being spaced apart.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: August 8, 2000
    Inventor: Gary L. Godbersen
  • Patent number: 6095716
    Abstract: A safety delineator is provided which includes a conical body portion to which is attached one or more vertical panels. A new and improved handle feature permits easy and comfortable full hand gripping of the delineator and also prevents sticking and jammning together of a plurality of the delineators when they are stacked. The delineators may be stacked without removing the vertical panels, since each vertical panel is particularly designed to wrap around the conical body portion to which it is attached as another vertical delineator slides over it.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: August 1, 2000
    Assignee: Traffix Devices, Inc.
    Inventors: Jack H. Kulp, Billy E. Wehring
  • Patent number: 6095717
    Abstract: A compaction wheel includes a rigid cylinder forming an outer rim. Cleats are removably mounted in cleat-receiving apertures formal on the outer rim. Each cleat has a face plate configured to engage against the outer surface of the cylinder, a working portion extending from the outer surface of the face plate, and a tongue extending from the inner surface of the face plate and being configured to extend through the tongue receiving apertures formed in the outer rim. The tongue includes an aperture positioned to be located radially inwardly of the outer rim when the cleat is mounted on the outer rim. Connection rods are configured to extend through the tongue apertures to secure the cleats to the outer rim. For this purpose, the wheel includes guide tubes that are mounted radially inwardly of the outer rim.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: August 1, 2000
    Assignee: Al-jon
    Inventors: James Kaldenberg, Kenneth H. Pratt
  • Patent number: 6089006
    Abstract: A grass catcher for receiving air and grass clippings from a mower cutter deck includes an inlet for admitting air and clippings into the grass catcher, an outlet port for exhausting air out of the grass catcher, and at least two cylindrical, perforate air filters interposed between the inlet and the outlet port. The filters separate grass clippings from the air and permit air to pass through the filters and on to the outlet port. The grass catcher also includes a wave form energy transmitter and a wave form energy receiver positioned in the grass catcher. The transmission of wave form energy between the transmitter and the receiver is interrupted when the level of accumulated grass clippings in the catcher exceeds a predetermined level. The interruption of the transmission triggers an alarm to alert an operator of the mower of the high clipping level within the catcher.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: July 18, 2000
    Assignee: The Toro Company
    Inventors: LeRoy Langford, Anthony N. Pink, Richard J. Guertin, Michael N. Zenner
  • Patent number: 6089783
    Abstract: The invention concerns a novel road structure whose bearing part on top of the ground comprises three successive layers of bituminous material bonded with one another, namely: a base layer which rests on the ground with optional insertion of a forming layer of thickness H.sub.i such that: 4 cm.ltoreq.H.sub.i .ltoreq.10 cm, and of elastic modulus: E.sub.i ; a median layer of thickness H.sub.m such that: 4 cm.ltoreq.H.sub.m .ltoreq.20 cm, and of elastic modulus E.sub.m such that: 2000 MPa<E.sub.m <8000 MPa; and a top layer of thickness H.sub.s such that: 4 cm.ltoreq.H.sub.s .ltoreq.10 cm, and of elastic modulus E.sub.s, such that elastic moduli of said layers comply with inequality relationships (a) and (b).
    Type: Grant
    Filed: April 1, 1999
    Date of Patent: July 18, 2000
    Assignee: Entreprise Jean Lefebvre
    Inventor: Honore Goacolou
  • Patent number: 6086285
    Abstract: A barrier system includes discrete movable barriers molded from a resiliently deformable plastic. Each of the barriers includes a housing having opposing front and back walls and opposing triangular shaped sidewalls. The front and back walls extend from a floor and intersect at a rounded top portion. Each barrier includes an interior surface that defines an internal chamber. The internal chamber can be selective filled with a ballast through an opening. Recessed within the front wall and back wall are a plurality of pockets. The pockets form reinforcing ribs which substantially prevent the deflection of front and back wall when the internal chamber is filled with ballast. In contrast, the sidewalls are substantially smooth to enhance bowing thereat when the internal chamber is filled with ballast. Recessed within the floor of each barrier adjacent to each of the sidewalls is a slot.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: July 11, 2000
    Assignee: Off the Wall Products, LLC
    Inventor: Marc E. Christensen
  • Patent number: 6086286
    Abstract: A system for inhibiting a wheeled, personal mobility unit, such as skateboards and in-line skates, from sliding along a surface having two or more surface portions oriented at mutually different angles has at least one part having a contact surface that generally complements the two or more surface portions of the surface. The part also has a body extending from the contact surface and terminating at an exposed surface. The part may have hinges to enable the part to bend and conform to complement the surface. The part may have three dimensional features extending from the contact surface for increased adhesive contact area relative to a flat contact surface. The contact surface of the part may be attached by adhesion or other methods to the surface.
    Type: Grant
    Filed: July 24, 1998
    Date of Patent: July 11, 2000
    Assignee: Intellicept
    Inventors: Christopher T. Loarie, Michael J. Loarie
  • Patent number: 6082925
    Abstract: A storm sewer overflow control device for controlling runoff surge flows from a generally vertically oriented storm drain into a generally horizontally oriented storm sewer pipe includes an engagement portion configured for insertion into the storm sewer pipe, a flow control portion attachable to the engagement portion and configured for receiving runoff surge flow flowing down the storm drain and slowing the flow for entry into the storm sewer through the engagement portion. The engagement portion is radially expandable to sealingly engage an interior surface of the storm sewer pipe, and preferably is configured to expand radially as it is shortened axially.
    Type: Grant
    Filed: June 29, 1999
    Date of Patent: July 4, 2000
    Inventor: Jason J. Raasch
  • Patent number: 6081955
    Abstract: A load bearing support structure in the form of a traffic-bearing highway bridge including at least one modular structural section. The at least one modular structural section includes at least one beam, the at least one beam containing a pair of lateral flanges and a medial web between and extending below the flanges. A load bearing deck is positioned above and supported by the flanges of the at least one beam. The at least one beam and load bearing deck are preferably formed of a polymer matrix composite material. Each of the flanges of the at least one beam is positioned on and supported by one of a plurality of support members. Alternatively, the load bearing deck containing at least one sandwich panel is suitable for applications such as barge decks, hatchcovers, and other load bearing wall applications. Methods of constructing a support structure utilizing the modular structural section and support members are also provided.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: July 4, 2000
    Assignee: Martin Marietta Materials, Inc.
    Inventors: Chris Dumlao, Kristina Lauraitis, Michael Jacoby, Les Fisher, Alan Miller, Bryan Hurlbut, Eric Abrahamson
  • Patent number: 6081954
    Abstract: A loading dock includes a dock leveler movable between raised and lowered positions. The dock leveler includes a dock board and a lip assembly that can be horizontally extended and retracted relative to the forward edge of the dock board. The ability of the lip to extend and retract horizontally means that the dock board does not have to be raised as far to extend the lip as in prior dock levelers having a pivotally mounted lip. This eliminates or reduces the need for toe protection structure at the sides of the dock board and enhances manufacturing economy without compromising safety.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: July 4, 2000
    Assignee: Systems, Inc.
    Inventors: Gerard M Palmersheim, Kenneth Gelder
  • Patent number: 6082927
    Abstract: A cross slope level/torsion control for mobile machines is disclosed. At least two crawler tracks or four wheels or rail bogies are provided for transporting and elevating the frame with at least one crawler track or two wheels or rail bogies on a reference side of the mobile machine and at least one crawler track or two wheels or rail bogies on cross slope side of the mobile machine. At least four jacking points having variable vertical extension are placed between the crawler tracks, wheels or rail bogies and frame with two jacking points being on the reference side of the mobile machine and two jacking points being on the cross slope side of the mobile machine. The reference side of the mobile machine tracks a reference in elevation and adapts a desired reference attitude. An attitude sensor on the reference side of the mobile machine measures the actual attitude of the reference side relative to gravity.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: July 4, 2000
    Assignee: Guntert and Zimmerman Constr. Div. Inc.
    Inventors: Gerald Lee Dahlinger, Scott Michael Mallory
  • Patent number: 6079899
    Abstract: A raised road marker has a flat bottom surface with an outer periphery. At least one cavity opens onto the bottom surface laterally inwardly of the periphery and extends upwardly into the marker body. A venting groove extends along the bottom surface from the cavity to the periphery to provide a vent for air trapped in the cavity when the marker is urged into a pool of adhesive to secure the marker to a roadway. The venting of air provides a stronger bond between the marker and adhesive. Markers having a rounded top surface may be provided with a flat bottom portion with abutment surfaces to facilitate movement of a line of the markers in an automated system.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: June 27, 2000
    Assignee: Winter Beaver, Inc.
    Inventor: John L. Green
  • Patent number: 6074127
    Abstract: The top surface of a resin decking has an inclined plane which inclines downward from the center to the periphery. The height of the periphery of the top surface is uniform. Convex elongated portions or protrusions for guiding drainage are provided extending radially on the top surface. Drainage holes are provided near ends of the elongated protrusions. The decking allows efficient drainage on the top surface thereof.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: June 13, 2000
    Assignee: Miyagawa Kasei Industry Co., Ltd.
    Inventor: Katsuki Suetsugu
  • Patent number: 6074128
    Abstract: A method of repairing cracks and apertures in a roadway, including the step of filling the crack or aperture with petroleum emulsion and overlapping the crack or aperture with the emulsion to preferably up to one inch or greater beyond the edge of the aperture on each side; applying a layer of an organic, cover blotter material and mounding said cover blotter material to cover substantially the entirety of said petroleum emulsion layer. The emulsion penetrates and softens the pavement surrounding the site. When the emulsion cures, it coagulates with the cover blotter material. The roadway is reopened to allow traffic to pass over the site to further compact and smooth out the roadway repaired surface to eventually form a pliable smooth patch.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: June 13, 2000
    Assignee: Mulch Seal, LLC
    Inventor: Robert S. Marino
  • Patent number: 6071037
    Abstract: A traffic control barrier consisting of an inverted, first barrel liner base, a circular connecting ring fitted over the bottom of the base, a second, upright, barrel liner fitted within the circular connecting ring, and an inverted, third barrel liner placed atop the second barrel liner and snapped together with a pair of rubber clips. A second embodiment eliminates the third barrel liner and a floor shelf is supported within the second barrel liner to form a product display.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: June 6, 2000
    Inventor: Andy Holt
  • Patent number: 6071040
    Abstract: A device for applying a mat of aggregate material having an entrained liquid additive as the device is moved along a path. The device includes a hopper for receiving the aggregate material, a spreader for spreading the aggregate material generally transversely relative to the path, a compacting screed for compacting the aggregate material into the mat, and a mixing conveyor arranged to convey the aggregate material from the hopper to the spreader and to mix the aggregate material along the length of the conveyor. A conduit in flow communication with an additive supply source is mounted within and spans a portion of the hopper. The conduit thus communicates the liquid additive from the additive source to the aggregate material as the aggregate material is being mixed and conveyed.
    Type: Grant
    Filed: October 1, 1998
    Date of Patent: June 6, 2000
    Assignee: Cedarapids Inc.,
    Inventors: Charles G. Macku, John A. Trygg, William Barth Burgett
  • Patent number: 6067681
    Abstract: A hose bridge for bridging a hose extending over a surface, for example a fire hose for conveying water for extinguishing purposes, has a passage for the hose and defines a support surface that can rest on the surface. The transverse dimension of the passage in a direction transverse to the support surface is smaller than the nominal diameter of the hose and the circumferential dimension of the passage essentially corresponds to the circumferential dimension of the hose.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: May 30, 2000
    Assignee: Kuiken N.V.
    Inventors: Eelco Franciscus Zeinstra, Lucas Salomons
  • Patent number: 6065900
    Abstract: As improved collapsible bollard is disclosed to control vehicular traffic. The present invention is comprised of a base that has at least one bore, a carriage having at least one bore that corresponds to the bore in the base. There is at least one impact release insert. The impact release insert is seated in the bore of the base. A fastening means is used to secure the impact release insert and the carriage to the base. A sleeve is removably fastened to the carriage. The sleeve has a free floating insert lock, a bias means, and a pulley system. The bias means of the sleeve is positioned to cause a downward bias against the free floating insert lock. The free floating insert lock is attached to the pulley system such that said pulley system is able to move the free floating insert lock in a direction that is opposite to the bias means. In the event the present invention is struck extremely hard, the sleeve will shear from base and the sleeve will typically be unharmed mechanically.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: May 23, 2000
    Inventor: George Reale