Clutch for torque-exerting device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 28, 2015
Grant Date -
Mar 6, 2014
app pub date -
Sep 5, 2012
filing date -
Sep 5, 2012
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
A torque-exerting device includes a clutch arranged between a handle and an axle. The handle includes a chamber defined therein by a wall. The clutch includes a movable element, a rotatable element, recesses and balls. The movable element is placed in the chamber in an axially movable manner. The rotatable element is placed in the chamber in a rotatable manner and secured to the axle. The rotatable element is in releasable engagement with the movable element. The recesses are defined in the movable element or the wall of the chamber of the handle. Each of the balls is partially placed in a respective one of the recesses and in contact with the wall of the chamber of the handle or the movable element.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MATATAKITOYO TOOL CO LTD | TAICHUNG CITY 407 |
International Classification(s)

- 2012 Application Filing Year
- B25B Class
- 676 Applications Filed
- 566 Patents Issued To-Date
- 83.73 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Wu, Jih Chun | Taichung, TW | 6 | 70 |
# of filed Patents : 6 Total Citations : 70 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- B25B Class
- 14.34 % this patent is cited more than
- 10 Age
Forward Cite Landscape
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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 | Oct 28, 2026 |
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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Apr 08, 2025 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
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Oct 10, 2017 | I | Issuance | |
Sep 20, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 13, 2016 | AS | ASSIGNMENT | free format text: CHANGE OF NAME;ASSIGNOR:LUBRIZOL SPECIALTY PRODUCTS, INC.;REEL/FRAME:041315/0038 Owner name: LIQUIDPOWER SPECIALTY PRODUCTS, INC., TEXAS Effective Date: Dec 13, 2016 |
Feb 25, 2014 | AS | ASSIGNMENT | free format text: CHANGE OF NAME;ASSIGNOR:PHILLIPS SPECIALTY PRODUCTS INC.;REEL/FRAME:032623/0161 Owner name: LUBRIZOL SPECIALTY PRODUCTS, INC., TEXAS Effective Date: Feb 25, 2014 |
Jan 06, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PHILLIPS 66 COMPANY;REEL/FRAME:032277/0019 Owner name: PHILLIPS SPECIALTY PRODUCTS INC., TEXAS Effective Date: Jan 06, 2014 |
Apr 26, 2012 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CONOCOPHILLIPS COMPANY;REEL/FRAME:028213/0824 Owner name: PHILLIPS 66 COMPANY, TEXAS Effective Date: Apr 26, 2012 |
Jan 05, 2012 | P | Published | |
Sep 20, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BAO, ZHIYI;MILLIGAN, STUART N.;OLECHNOWICZ, MICHAEL;SIGNING DATES FROM 20110824 TO 20110909;REEL/FRAME:026936/0503 Owner name: CONOCOPHILLIPS COMPANY, TEXAS |
Aug 12, 2011 | F | Filing | |
Nov 02, 2005 | PD | Priority Date |

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