Ceramic screen
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 1, 2014
Grant Date -
Jul 3, 2008
app pub date -
Jun 28, 2007
filing date -
Dec 29, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A screen assembly for removing particulates from a fluid in a well bore said well bore being provided with a tubing for transport of fluids inside the tube, said tube being provided with sliding sleeve doors through which the fluids flow from the well bore external the tube and into the tube. The screen assembly comprises a filter arranged external the tubing and covering the sliding sleeve doors, such that the filter prevents particles above a predefined size from entering through the sliding sleeve doors: The screen assembly further comprises a supportive tube having apertures allowing well bore fluids to pass. Furthermore said filter is arranged on the inner side of said supportive tube, such that the filter is placed between the supportive tube and the tube with the sliding sleeve doors. The filter is made from ceramic material.
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 | |
---|---|---|
MAERSK OLIE OG GAS A/S | ESPLANADEN 50 COPENHAGEN K DK-1263 |
International Classification(s)

- 2007 Application Filing Year
- E03B Class
- 75 Applications Filed
- 31 Patents Issued To-Date
- 41.34 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Heijnen, Wilhelmus Hubertus Paulus Maria | Charlottenlund, DK | 35 | 628 |
# of filed Patents : 35 Total Citations : 628 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 3 Citation Count
- E03B Class
- 16.22 % this patent is cited more than
- 11 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 1, 2026 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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

Legal Events
Date | Code | Event | Description |
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May 23, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8 |
May 18, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551) year of fee payment: 4 |
Dec 02, 2014 | I | Issuance | |
Nov 12, 2014 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 12, 2013 | P | Published | |
Jun 19, 2013 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SOLAK, HARUN;CLUBE, FRANCIS;REEL/FRAME:030705/0448 Owner name: EULITHA A.G., SWITZERLAND Effective Date: Jun 19, 2013 |
Nov 16, 2011 | F | Filing | |
Nov 16, 2010 | PD | Priority Date |

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