Portable work machine for pumping concrete or thick liquids and having a carrying framework and a covering hood
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 7, 2012
Grant Date -
Feb 25, 2010
app pub date -
Sep 28, 2007
filing date -
Dec 7, 2006
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
A transportable thick matter pump includes a carrying framework for machine assemblies. A covering hood reaches at least partly over and is fixed in place on the carrying framework and includes a frame skeleton having a rectangular roof frame and two rectangular side frames connected with the roof frame at their upper edge and releasably attached to the carrying framework with their lower edge. A basin-shaped roof cover is inserted into the roof frame, with its opening facing upward, while the side frames carry at least one side paneling element configured as a self-supporting plastic molded hinged door articulated on at the upper edge of the related side frame. The frame skeleton openings formed by the roof frame and the two side frames, on the face-side hood ends, are covered by a removable end cap configured as a self-supporting plastic molded part.
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 | |
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PUTZMEISTER ENGINEERING GMBH | MAX-EYTH-STRASSE 10 AICHTAL 72631 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Pirwass, Frank | Filderstadt, DE | 1 | 6 |
# of filed Patents : 1 Total Citations : 6 |
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Patent Citation Ranking
- 6 Citation Count
- B62D Class
- 3.08 % this patent is cited more than
- 13 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 |
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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 |
Full Text

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Date | Code | Event | Description |
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Nov 05, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
Jun 05, 2018 | I | Issuance | |
May 16, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Feb 08, 2018 | P | Published | |
Oct 26, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:UIYYASATHIAN, SARAYUT;REEL/FRAME:040313/0244 Owner name: PTT EXPLORATION AND PRODUCTION PUBLIC COMPANY LIMI Effective Date: Oct 26, 2016 |
Dec 08, 2015 | F | Filing |

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