Five-axial groove cylindrical journal bearing with pressure dams for bi-directional rotation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Aug 9, 2016
Grant Date -
Nov 12, 2015
app pub date -
May 12, 2014
filing date -
May 12, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A five-axial groove cylindrical journal bearing assembly with pressure dams designed for bi-directional rotation for rotatably supporting a rotating body provided with a babbitted inner surface. The journal bearing assembly has two pressure dams that are substantially mirror images of each other along a centerline between the pressure dams and has two pressure dams each located substantially opposite the direction of two vector loads of the journal bearing assembly.
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 | |
---|---|---|
LUFKIN GEARS LLC | 17021 ALDINE WESTFIELD ROAD HOUSTON TX 77073 |
International Classification(s)

- 2014 Application Filing Year
- F16C Class
- 1220 Applications Filed
- 1060 Patents Issued To-Date
- 86.89 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Lawrence, Jeffrey | Lufkin, US | 7 | 92 |
# of filed Patents : 7 Total Citations : 92 | |||
Shoup, Thomas Patrick | Wellsville, US | 1 | 10 |
# of filed Patents : 1 Total Citations : 10 |
Cited Art Landscape
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Patent Citation Ranking
- 7 Citation Count
- F16C Class
- 24.80 % this patent is cited more than
- 9 Age
Forward Cite Landscape
- No Forward Cites to Display

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 | Feb 9, 2028 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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Mar 09, 2020 | 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: SMALL ENTITY |
Mar 09, 2020 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Feb 02, 2020 | FP | EXPIRED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Feb 02, 2020 |
Sep 23, 2019 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Feb 02, 2016 | I | Issuance | |
Jan 13, 2016 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 08, 2015 | P | Published | |
Sep 26, 2014 | F | Filing |

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