BACK PURGING ROBOTIC CRAWLER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Mar 27, 2025
app pub date -
Sep 21, 2023
filing date -
Sep 21, 2023
priority date (Note) -
Published
status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
A robotic crawler for back purging a weld location in a piping circuit includes a body, one or more conveyors coupled to the body for transporting the robotic crawler within the piping circuit, first and second seal assemblies configured to generate an interference seal with an interior of the piping circuit, a pair of extendable arms, each extendable arm supporting a respective one of the first and second seal assemblies on an opposite side of the body, each respective extendable arm selectively extendable and retractable with respect to the body to adjust a position of the respective seal assembly with respect to the body, and an inert gas flow valve for providing an inert gas into a sealed area defined between the first and second seal assemblies.
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 | |
---|---|---|
SAUDI ARABIAN OIL COMPANY | P O BOX 5000 DHAHRAN 31311 |
International Classification(s)

- 2023 Application Filing Year
- F16L Class
- 1009 Applications Filed
- 302 Patents Issued To-Date
- 29.94 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
AL, MANSOUR Saleh Mohammed H | Dhahran, SA | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
AL, QABANI Ali Faraj M | Dhahran, SA | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
ALNUFAILI, Muhammed Subhi A | Dhahran, SA | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F16L Class
- 0 % this patent is cited more than
- < 1 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 27, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 27, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 27, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
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