Electrical contacts to a ring transducer
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United States of America Patent
Stats
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Jul 26, 2016
Issued Date -
N/A
app pub date -
Apr 11, 2011
filing date -
Apr 11, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Various embodiments include apparatus and methods of providing a piezoelectric element having a surface front surface to operate as an active surface of a transducer on which a number of separate electrodes are disposed such that the electrodes on the front surface provide an effectively flat surface to the transducer. Additional apparatus, systems, and methods are disclosed.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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HALLIBURTON ENERGY SERVICES INC | 3000 N SAM HOUSTON PARKWAY E HOUSTON TX 77032-3219 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Maki,, Jr Voldi E | Austin, US | 7 | 56 |
# of filed Patents : 7 Total Citations : 56 |
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- 9 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 26, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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

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Date | Code | Event | Description |
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Oct 27, 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 |
May 08, 2018 | I | Issuance | |
Apr 18, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jun 22, 2017 | P | Published | |
Mar 22, 2017 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:TAKABAYASHI, KAZUMASA;YAMAMOTO, TSUYOSHI;SIGNING DATES FROM 20170221 TO 20170222;REEL/FRAME:041684/0492 Owner name: FUJITSU LIMITED, JAPAN |
Mar 01, 2017 | F | Filing |

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