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| Number | Title | Issue Date |
| 7320558 | Apparatus for screeding uncured concrete surfaces A screeding apparatus and method for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partiall... | 01/22/2008 |
| 7153058 | Apparatus for finishing concrete A vibratory screed apparatus includes a vibrator, a screed, and a coupler for coupling the vibrator to the screed. The vibratory screed apparatus may be provided as a concrete-finishing kit which is capable of being assembled and disassembled in the field. A number ... | 12/26/2006 |
| 7121762 | Apparatus for screeding uncured concrete surfaces A screeding apparatus for screeding and smoothing an uncured concrete surface includes a vibrating member and a grade setting device adjustably mounted to said vibrating member. The screeding apparatus may include a wheeled support which at least partially supports ... | 10/17/2006 |
| 7097384 | Universal power unit that adapts to all phases from placing to final finishing of concrete A vibratory power unit (10, 210) having small gasoline engine (12) coupled by a drive shaft (15) extending through a semi-rigid shaft case (16, 18, 20) to an eccentric (75) rotating with the aid of sealed bearings (74, 78) w... | 08/29/2006 |
| 6953304 | Lightweight apparatus for screeding and vibrating uncured concrete surfaces A lightweight screeding apparatus for screeding and smoothing an uncured concrete surface includes a concrete surface working member, such as vibrating beam or member, and a grade setting device adjustably mounted to said vibrating beam. The screeding apparatus may ... | 10/11/2005 |
| 6394639 | Concrete vibrator head with enhanced vibration and fluid bearing An improved head for use with a concrete vibrator for settling concrete/aggregate is provided. The head includes a hollow casing with an eccentric rotor having a curved segment along one side and supported for rotation by a bearing at a first or drive end... | 05/28/2002 |
| 6325531 | Concrete vibrator head with enhanced vibration and fluid bearing An improved head for use with a concrete vibrator for settling concrete/aggregate is provided. The head includes a hollow casing with an eccentric rotor having a curved segment along one side and supported for rotation by a bearing at a first or drive end... | 12/04/2001 |
| 6065859 | Portable pendulous concrete vibrator A portable, hand-held concrete vibrating system employs a pendulous vibrator driven by a high speed, two-cycle motor that operates up to speeds of between 5000 and 6000 RPM. An elongated, rod-like frame supporting the motor is connected at its remote end ... | 05/23/2000 |