Soil compactor having direct drive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 3, 2015
Grant Date -
Jun 18, 2015
app pub date -
Dec 4, 2014
filing date -
Dec 12, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A soil compacting device has an upper mass and a lower mass that is coupled to the upper mass by a spring device and that has a soil contact element. In addition, a drive is provided for producing a working movement of the soil contact element. The drive has an electric motor, a drive frequency of a drive movement produced by the electric motor being equal to a frequency of the working movement of the soil contact element.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- E01C Class
- 309 Applications Filed
- 276 Patents Issued To-Date
- 89.33 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- E01C Class
- 12.43 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 3, 2027 |
