Corrosion rate measurement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Mar 13, 2015
filing date -
Mar 14, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A corrosion rate measurement system includes a first membrane of a first material configured to be exposed to a corrosive material and deflect in response to corrosion. A second membrane is configured to be exposed to a corrosive material and deflect in response to corrosion. A pressure sensor is operably coupled to at least one of the first and second membranes and configured to measure deflection of at least one of the first and second membranes as a function of a pressure and an amount of corrosion at least one of the first and second membranes.
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 | |
---|---|---|
ROSEMOUNT INC | 6021 INNOVATION BOULEVARD SHAKOPEE MN 55379 |
International Classification(s)

- 2015 Application Filing Year
- G01L Class
- 1174 Applications Filed
- 940 Patents Issued To-Date
- 80.07 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hedtke, Robert C | Young America, US | 59 | 1767 |
# of filed Patents : 59 Total Citations : 1767 | |||
Sittler, Fred C | Excelsior, US | 34 | 974 |
# of filed Patents : 34 Total Citations : 974 | |||
Willcox, Charles R | Chanhassen, US | 42 | 907 |
# of filed Patents : 42 Total Citations : 907 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- G01L Class
- 0 % this patent is cited more than
- 7 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 13, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 13, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Apr 11, 2022 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Apr 11, 2022 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Mar 06, 2022 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Mar 06, 2022 |
Oct 25, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Mar 06, 2018 | I | Issuance | |
Feb 14, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jul 02, 2015 | P | Published | |
Mar 11, 2015 | F | Filing | |
Aug 12, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HARRIS, MICHAEL W.;SAINE, JOEL E.;REEL/FRAME:044623/0742 Owner name: NORDSON CORPORATION, OHIO Effective Date: Aug 12, 2014 |

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