Method for tamping ballast supporting track ties
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 4, 2006
app pub date -
Oct 21, 2005
filing date -
Oct 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a method for tamping ballast supporting sequentially arranged ties of a track extending in a longitudinal direction, which comprises a tamping cycle at each one of the ties, the tamping cycle comprises lowering a tamping head carrying tamping tools hydraulicallly reciprocable in the longitudinal direction to immerse the tamping tools in the ballast, reciprocating the tamping tools to tamp the ballast, vibrating the tamping tools in a first tamping cycle phase, discontinuing vibration of the tamping tools in a second tamping cycle phase, raising the tamping head to lift the tamping tools out of the ballast, and moving the tamping head from tie to tie.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
FRANZ PLASSER BAHNBAUMASCHINEN-INDUSTRIEGESELLSCHAFT M B H | JOHANNESGASSE 3 A-1010 WIEN |
International Classification(s)

- 2005 Application Filing Year
- E01B Class
- 60 Applications Filed
- 28 Patents Issued To-Date
- 46.67 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lichtberger, Bernhard | Linz, AT | 51 | 410 |
# of filed Patents : 51 Total Citations : 410 | |||
Theurer, Josef | Vienna, AT | 353 | 3008 |
# of filed Patents : 353 Total Citations : 3008 |
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Patent Citation Ranking
- 15 Citation Count
- E01B Class
- 82 % this patent is cited more than
- 19 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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