J. Dewayne Allen — 75 Patents at Allen Engineering

J. Dewayne Allen has been granted 75 US patents while listed as an inventor at Allen Engineering. The first was granted in 1981 and the most recent in April 2023. J. Dewayne Allen ranks #25,505 of 4,157,543 US inventors in our database (top 0.61%). Patent records list J. Dewayne Allen in Paragould, AR, US.

Issued Patents All Time

Showing 1–25 of 75 patents

Patent #	Title	Co-Inventors	Date
11619010	Roller tube concrete paver with retractable vibrator assembly	Timmy D. Guinn	2023-04-04
8360680	Hydraulic riding trowels with automatic load sensing	Timmy D. Guinn, Edward Andrew Waldon, Scott R. Sugg	2013-01-29
7690864	Hydraulic riding trowel with automatic load sensing system	Timmy D. Guinn, Mike Woodside, Michael W. McKean, Jack C. Wilson	2010-04-06
7316523	Acoustically matched method and apparatus for screeding concrete	Richard P. Bishop	2008-01-08
7114876	Acoustically matched concrete finishing pans	Richard P. Bishop	2006-10-03
7108449	Method and apparatus for acoustically matched slip form concrete application	Richard P. Bishop	2006-09-19
6857815	Acoustic impedance matched concrete finishing	Richard P. Bishop	2005-02-22
6582153	Edge guarded power riding trowel	Timmy D. Guinn	2003-06-24
D474203	Riding trowel with rotatable ring edge guard	Timmy D. Guinn	2003-05-06
D466909	Riding trowel having edge guards with safety covers	Timmy D. Guinn	2002-12-10
6106193	Hydraulically driven, multiple rotor riding trowel	Michael W. McKean, Timmy D. Guinn, Hugh L. Adams	2000-08-22
6089786	Dual rotor riding trowel with proportional electro-hydraulic steering	Michael W. McKean, Timmy D. Guinn	2000-07-18
6089787	Transformable two-person floating screed with automatic grade control	Timmy D. Guinn	2000-07-18
6053660	Hydraulically controlled twin rotor riding trowel	Michael W. McKean	2000-04-25
6048130	Hydraulically driven, multiple rotor riding trowel	Michael W. McKean, Timmy D. Guinn, Hugh L. Adams	2000-04-11
6019545	Surface finishing machine with rotatable guard	Timmy D. Guinn	2000-02-01
6019433	Concrete saw with stabilized carriage and blade control	—	2000-02-01
5988939	Universal bridge deck vibrating system	Michael W. McKean	1999-11-23
5988938	Compartmentalized access shroud system for riding trowels	—	1999-11-23
D416564	Rotatable guard for a finishing machine	Timmy D. Guinn	1999-11-16
5967696	Riding trowel with variable ratio transmission	Timmy D. Guinn	1999-10-19
D413127	Guard for walk behind trowel	—	1999-08-24
5934823	Quick access shroud system for riding trowels	—	1999-08-10
D410931	Ventilated quick access support hood for riding trowels	—	1999-06-15
5890833	Hydraulically controlled riding trowel	Michael W. McKean	1999-04-06

12 3 Next »

J. Dewayne Allen — 75 Patents

Issued Patents All Time

Patent Widget