Coil winding apparatus and coil winding method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 12, 2024
Grant Date -
Jun 17, 2021
app pub date -
Mar 9, 2020
filing date -
Mar 18, 2019
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A coil winding apparatus includes: a core rod feeding unit configured to feed a string-shaped core rod from a core rod nozzle; a core rod drawing unit configured to draw out the core rod; a wire rod feeding unit configured to feed a wire rod towards the core rod; a rotator capable of rotating about the core rod nozzle; the guide member provided on the rotator, the guide member being configured to clamp, with the core rod, the wire rod that has been fed from the wire rod feeding unit; and a rotating unit configured to rotate the rotator to rotate the guide member together with the rotator so as to revolve the wire rod around the core rod in a vicinity of the core rod nozzle.
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 | |
---|---|---|
NITTOKU CO LTD | SAITAMA-CITY SAITAMA 3300841 |
International Classification(s)

- 2020 Application Filing Year
- B21F Class
- 76 Applications Filed
- 55 Patents Issued To-Date
- 72.37 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Higeta, Yuji | Omura, JP | 4 | 27 |
# of filed Patents : 4 Total Citations : 27 | |||
Shibuya, Nao | Omura, JP | 3 | 1 |
# of filed Patents : 3 Total Citations : 1 |
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Patent Citation Ranking
- 0 Citation Count
- B21F Class
- 0 % this patent is cited more than
- 1 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Sep 12, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Sep 12, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 12, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
Full Text

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Aug 05, 2021 | P | Published | |
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Dec 07, 2020 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ZHANG, JIAN;REEL/FRAME:055963/0385 Owner name: SUZHOU OULIT BIOPHARM CO., LTD, CHINA Effective Date: Dec 07, 2020 |
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Jun 03, 2019 | F | Filing | |
Jun 04, 2018 | PD | Priority Date |

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