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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Allen; J. Dewayne
Address:
Paragould, AR
No. of patents:
70
Patents:


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Patent Number Title Of Patent Date Issued
D474203 Riding trowel with rotatable ring edge guard May 6, 2003
D466909 Riding trowel having edge guards with safety covers December 10, 2002
D416564 Rotatable guard for a finishing machine November 16, 1999
D413127 Guard for walk behind trowel August 24, 1999
D410931 Ventilated quick access support hood for riding trowels June 15, 1999
D404042 Concrete saw with stabilized carriage and blade control January 12, 1999
D404041 Guard for walk behind trowel January 12, 1999
D403332 Ventilated quick access support hood system for riding trowels December 29, 1998
D402999 Ventilated quick access inspection plate for riding trowels December 22, 1998
D402998 Ventilated quick access inspection plate for riding trowels December 22, 1998
D400544 Guard for walk behind trowel November 3, 1998
D400542 Stretch frame twin engine riding trowel November 3, 1998
D344736 Riding trowel for concrete finishing March 1, 1994
D340340 Riding trowel cranking dolly wheel assembly October 12, 1993
D323510 Riding trowel January 28, 1992
7690864 Hydraulic riding trowel with automatic load sensing system April 6, 2010
A high performance, multiple rotor, hydraulically driven riding trowel for finishing concrete includes a rigid trowel frame with two or more downwardly-projecting, bladed rotor assemblies that frictionally engage the concrete surface. The rotor assemblies are tilted with double acting
7316523 Acoustically matched method and apparatus for screeding concrete January 8, 2008
Methods and apparatus for screeding freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab. Portions of the screed contacting the plastic concrete are matched to an acoustic impedance
7114876 Acoustically matched concrete finishing pans October 3, 2006
Pans for power finishing freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab being treated. Preferably, a powered, twin rotor riding trowel is provided with a pair of circular fin
7108449 Method and apparatus for acoustically matched slip form concrete application September 19, 2006
Methods and apparatus for power finishing freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab being treated. Preferably, a powered, twin rotor riding trowel is provided with a pair
6857815 Acoustic impedance matched concrete finishing February 22, 2005
Methods and apparatus for power finishing freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab being treated. Preferably, a powered, twin rotor riding trowel is provided with a pair of
6582153 Edge guarded power riding trowel June 24, 2003
A high performance, riding trowel for finishing concrete comprises damage-preventing edge guard systems that accommodate destructive forces occasioned by collisions or impacts. Downwardly projecting, motor-driven rotor assemblies gimbaled to the frame contact the concrete with multiple
6106193 Hydraulically driven, multiple rotor riding trowel August 22, 2000
High performance, multiple rotor riding trowels for finishing concrete comprise hydraulic circuitry enabling complete joystick control to the operator. The rigid trowel frame mounts separate spaced-apart, downwardly-projecting, bladed rotor assemblies that frictionally engage the con
6089787 Transformable two-person floating screed with automatic grade control July 18, 2000
A two-person floating screed with laser-operated, automatic grade control apparatus for finishing plastic concrete is transformable for different operations. A rigid, transversely oriented float mounts a strikeoff for initially contacting and leveling rough, freshly poured concrete. In o
6089786 Dual rotor riding trowel with proportional electro-hydraulic steering July 18, 2000
A high performance, twin rotor riding trowel for finishing concrete and a joystick operated electro-hydraulic control circuit enabling complete joystick control to the operator. The rigid trowel frame mounts two spaced-apart, downwardly projecting, and bladed rotors that frictionally
6053660 Hydraulically controlled twin rotor riding trowel April 25, 2000
A high performance, twin rotor riding trowel for finishing concrete and hydraulic circuitry therefor, enabling complete joystick control to the operator. The rigid trowel frame mounts two spaced-apart, downwardly-projecting, bladed rotor assemblies that frictionally engage the concre
6048130 Hydraulically driven, multiple rotor riding trowel April 11, 2000
A high performance, hydraulically-propelled, multiple rotor riding trowel for finishing concrete is controlled with hydraulic circuitry enabling steering wheel and foot pedal control. The rigid trowel frame preferably mounts three separate spaced-apart, downwardly-projecting, bladed roto
6019545 Surface finishing machine with rotatable guard February 1, 2000
A motorized finishing machine has a rotatable guard system enabling it to finish concrete surfaces next to walls, posts, conduits, or other obstacles. Deployed as a concrete trowel, the machine comprises an internal combustion motor that powers a gearbox to revolve a downwardly proje
6019433 Concrete saw with stabilized carriage and blade control February 1, 2000
A highly stable concrete saw for cutting crack control relief grooves features a stabilized and reinforced carriage. The carriage frame comprises a generally C-shaped, rigid metal weldment having a closed side extending between a closed front and closed rear. The opposite side is par
5988939 Universal bridge deck vibrating system November 23, 1999
A vibration system that fits on top of a conventional truss with minimal alteration. The system comprises a propulsion assembly powering a vibration assembly. The propulsion assembly comprises two parallel rails forming a lateral path between truss ends and supporting a mobile carria
5988938 Compartmentalized access shroud system for riding trowels November 23, 1999
A powered riding trowel comprises a pair of releasable, protective, quick access hoods that may be unlatched to quickly expose the power means for service without structural disassembly. In a preferred embodiment, the twin hoods are hinged to the frame. The trowel seat is mounted on an u
5967696 Riding trowel with variable ratio transmission October 19, 1999
A powered concrete finishing trowel comprises a variable ratio drive train to power one or more revolving rotors. One or more internal combustion motors power two or more downwardly projecting rotors comprising blades that frictionally contact the concrete surface. The rotors are shaft
5934823 Quick access shroud system for riding trowels August 10, 1999
A powered riding trowel comprises a protective, quick access support shroud that may be unlatched to quickly expose the power means for service without structural disassembly. The trowel seat is mounted on top of the upper planar surface of the shroud. The shroud front and rear are p
5890833 Hydraulically controlled riding trowel April 6, 1999
A high performance, multiple rotor riding trowel for finishing concrete and hydraulic controls therefor, enabling complete hand control to the operator of steering, propulsion, and blade pitch. A rigid trowel frame mounts two or more downwardly-projecting, bladed rotor assemblies that
5816739 High performance triple rotor riding trowel October 6, 1998
A high performance, three engine, three rotor riding trowel for finishing concrete. A rigid, generally triangular frame mounts three downwardly projecting, bladed rotors that frictionally engage the concrete surface therebelow. The rotors on opposite sides of the operator (i.e., to the
5803658 Riding trowel with counter rotating rotors September 8, 1998
In a powered riding trowel of the type having at least two adjacent rotor assemblies wherein said rotor assemblies include rotors which are counter rotating relative to one another, and wherein the rotors circumscribe a circular path during operation, the rotor assemblies being affixed t
5685667 High performance contra-rotating riding trowel November 11, 1997
A high power, contra-rotating, twin engine riding trowel for finishing concrete comprises twin, downwardly projecting rotors that counter-rotate simultaneously. An operator sits in a seat mounted to the frame and steers the rotors with a pair of primary control levers that tilt the rotor
5658089 Buffered trowel guard clearance system August 19, 1997
A buffered guard clearance system for riding and manually pushed powered trowels adapted to allow finishing of a slab surface immediately adjacent an obstacle. The system comprises a movable wing displaceably coupled to the trowel guard cage and a buffer system mounted thereto. The wing
5613801 High performance twin engine rotor-steered riding trowel March 25, 1997
A high performance twin engine riding trowel for finishing concrete. A rigid frame mounts two downwardly projecting rotors that counter-rotate simultaneously. A guard cage mounted to the frame prevents inadvertent contact between the rotors and foreign objects. An operator sits in a seat
5567075 Offset screed system and quick connect mounting therefore October 22, 1996
A laser controlled automatic grade control system for finishing plastic concrete mounts the finishing tool behind the support towers to resist furrowing. The system functions with a variety of elongated, multi-section concrete finishing tools such as triangular truss screeds or the like,
5562361 Triple roller tube concrete finisher October 8, 1996
A triple roller tube concrete finisher that uses rotating tubes to strike-off, screed and finish concrete. The machine rides upon concrete forms and comprises a box-like, generally parallelepiped, frame supported by a plurality of rotary rollers. The frame houses an engine, cleaning
5533831 Obstacle bypass system for concrete finishing tools July 9, 1996
A concrete finishing tool that quickly changes in length to selectively bypass columns, curbs and other obstacles during concrete finishing includes a unique foldable bypass system at an extremity that can be folded between extended and retracted positions. When actively deployed the
5480258 Variable width, twin engine riding trowel January 2, 1996
A self-propelled, dual motor, variable width riding trowel for finishing a concrete surface. The riding trowel comprises a frame mounting a seat for an operator and controls accessible by the operator for steering and controlling the trowel. Adjustable subframe blocks mount a pair of mot
5480257 Concrete riding trowel guard clearance system January 2, 1996
A guard clearance system for motorized riding trowels adapted to allow finishing of a slab surface immediately adjacent an obstacle. The system comprises a movable arc of trowel guard cage displaceably coupled to an end of the trowel guard cage and spaced apart buffer wheels mounted to t
5476342 Obstacle bypass system for concrete construction December 19, 1995
A concrete placing, screeding and finishing tool that bypasses columns, curbs and other obstacles during concrete finishing. An elongated finishing body comprises retractable bypass wings. The body comprises a front strike-off, a trailing float and a primary eccentrically weighted sh
5405216 Finishing trowel pitch control and clutch system April 11, 1995
An automatic, self locking clutch system effectuates blade pitch control on concrete finishing trowels. The clutch instantly releases upon the touch of the operator. A trowel has a downwardly projecting, motor-driven rotor comprising a plurality of radially spaced apart finishing blades
5352063 Polymer concrete paving machine October 4, 1994
A self-propelled paver that distributes, consolidates, places and finishes polymer concrete to rapidly resurface roadbeds. A mobile, wheeled chassis mounts an adjustable hopper that receives premixed polymer from a mixer truck that precedes the paver. A finishing assembly secured to the
5328295 Torsional automatic grade control system for concrete finishing July 12, 1994
A torsionally stabilized automatic grade control system for finishing plastic concrete is capable of controlling a variety of different elongated, multi-section concrete finishing tools such as a vibratory screed or the like, with or without forms. Skis that support the device facili
5288166 Laser operated automatic grade control system for concrete finishing February 22, 1994
An automatic grading control device for finishing plastic concrete controls several different elongated, multi-section concrete finishing tools such as vibratory screeds or the like, with or without forms. Supporting skis facilitate sliding, winch driven movement of the device relative t
5238323 Riding trowel for concrete finishing August 24, 1993
A riding trowel used for concrete finishing includes a dolly wheel lifting system. The lifting system elevates the trowel out of contact with the concrete surface when transporting, adjusting, or maintenancing the trowel. The trowel comprises a rigid metallic frame normally offset from
5108220 Light weight, fast steering riding trowel April 28, 1992
A compact, lightweight riding trowel for finishing concrete of enhanced maneuverability. A rigid frame is supported above the concrete by a pair of downwardly projecting synchronized rotors, each of which revolves multiple blades frictionally contacting the surface. Lights attached to
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