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Class Information
Number: 404/112
Name: Road structure, process, or apparatus > Apparatus > Tool rotating in horizontal plane
Description: Device wherein an earth or road working member moves in, and substantially on, the plane of the earth or roadway in a circular path.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7427175 |
Apparatus for finishing concrete |
Sep. 23, 2008 |
| 7399140 |
Power trowel attachment for a drill |
Jul. 15, 2008 |
| 7255513 |
Diamond trowel blade |
Aug. 14, 2007 |
| 7252456 |
Portable form and method for using same for concrete strike-off |
Aug. 7, 2007 |
| 7232277 |
Remotely-controlled concrete tool assembly |
Jun. 19, 2007 |
| 7207745 |
Device for levelling of poured floors, in particular concrete floor |
Apr. 24, 2007 |
| 7172365 |
Method of making and using a dynamically balanced walk behind trowel |
Feb. 6, 2007 |
| 7153058 |
Apparatus for finishing concrete |
Dec. 26, 2006 |
| 7147548 |
Grinding and cutting head |
Dec. 12, 2006 |
| 7144194 |
Surface finisher |
Dec. 5, 2006 |
| 7114876 |
Acoustically matched concrete finishing pans |
Oct. 3, 2006 |
| 7108451 |
Rotating concrete finishing trowel |
Sep. 19, 2006 |
| 7104725 |
Concrete finishing attachment |
Sep. 12, 2006 |
| 7065837 |
Guide handle for a manually steered machine |
Jun. 27, 2006 |
| 7059801 |
Metal plate reinforced plastic trowel blade for power troweling |
Jun. 13, 2006 |
| 7044682 |
Mechanical pitch control |
May. 16, 2006 |
| 7039986 |
Vibration isolation machine handle |
May. 9, 2006 |
| 7018132 |
Rotating concrete finishing trowel |
Mar. 28, 2006 |
| 7004676 |
Fly max power trowel |
Feb. 28, 2006 |
| 6974277 |
Dynamically balanced walk behind trowel |
Dec. 13, 2005 |
| 6883999 |
Trowel gearbox brake |
Apr. 26, 2005 |
| 6860675 |
Method and apparatus for finishing concrete |
Mar. 1, 2005 |
| 6857815 |
Acoustic impedance matched concrete finishing |
Feb. 22, 2005 |
| 6846127 |
Gryoscope controlled walk behind trowel |
Jan. 25, 2005 |
| 6739798 |
Quick adjustment mechanism for blade pitch of concrete power trowel |
May. 25, 2004 |
| 6648548 |
Blade for motorized trowel |
Nov. 18, 2003 |
| 6637974 |
Roller wall guard for floor finishing machines |
Oct. 28, 2003 |
| 6592290 |
Power trowel gearbox |
Jul. 15, 2003 |
| 6582153 |
Edge guarded power riding trowel |
Jun. 24, 2003 |
| 6536989 |
Finishing device for floors made of hardenable material and blade used therewith |
Mar. 25, 2003 |
| 6422786 |
Air-cooled gearbox assembly |
Jul. 23, 2002 |
| 6419419 |
Blade for motorized trowel |
Jul. 16, 2002 |
| 6368016 |
Concrete finishing trowel having an electronically actuated steering assembly |
Apr. 9, 2002 |
| 6352386 |
Road finisher having a laying beam with automatically adjustable extendable beams |
Mar. 5, 2002 |
| 6347907 |
Dolly and method of use |
Feb. 19, 2002 |
| 6264397 |
Dual trowel blade assembly |
Jul. 24, 2001 |
| 6250844 |
Concrete finishing trowel with improved rotor assembly drive system |
Jun. 26, 2001 |
| 6132134 |
Power trowel handle mounted controls |
Oct. 17, 2000 |
| 6106193 |
Hydraulically driven, multiple rotor riding trowel |
Aug. 22, 2000 |
| 6089786 |
Dual rotor riding trowel with proportional electro-hydraulic steering |
Jul. 18, 2000 |
| 6053660 |
Hydraulically controlled twin rotor riding trowel |
Apr. 25, 2000 |
| 6048130 |
Hydraulically driven, multiple rotor riding trowel |
Apr. 11, 2000 |
| 6019545 |
Surface finishing machine with rotatable guard |
Feb. 1, 2000 |
| 5993109 |
Power trowel with counterbalanced trowel blade pitch adjust assembly |
Nov. 30, 1999 |
| 5988938 |
Compartmentalized access shroud system for riding trowels |
Nov. 23, 1999 |
| 5967696 |
Riding trowel with variable ratio transmission |
Oct. 19, 1999 |
| 5934823 |
Quick access shroud system for riding trowels |
Aug. 10, 1999 |
| 5909981 |
Bump cutting for wide-pour concrete floors |
Jun. 8, 1999 |
| 5899631 |
Assisted steering linkage for a riding power trowel |
May. 4, 1999 |
| 5890833 |
Hydraulically controlled riding trowel |
Apr. 6, 1999 |
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