System for regulating speed of an internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 5, 2005
Grant Date -
Aug 22, 2002
app pub date -
Feb 22, 2002
filing date -
Feb 22, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An internal combustion engine system is disclosed that improves regulation of engine speed relative to a speed setpoint. The system controls ignition timing, throttle plate actuation, fuel valve actuation or a combination thereof in accordance with maintaining a setpoint speed. The system also includes a transient air flow estimation for further improving setpoint speed accuracy.
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 | |
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CUMMINS ENGINE COMPANY INC | 500 JACKSON STREET COLUMBUS IN 47201 |
International Classification(s)

- 2002 Application Filing Year
- F03B Class
- 170 Applications Filed
- 46 Patents Issued To-Date
- 27.06 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Carroll, Matthew S | Nashville, IN | 4 | 82 |
# of filed Patents : 4 Total Citations : 82 | |||
Thomas, Robert J | Indianapolis, IN | 55 | 1796 |
# of filed Patents : 55 Total Citations : 1796 | |||
VandenBerghe, Terry M | Columbus, IN | 3 | 176 |
# of filed Patents : 3 Total Citations : 176 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 40 Citation Count
- F03B Class
- 92.86 % this patent is cited more than
- 20 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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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
---|---|---|---|
Oct 05, 2016 | FPAY | FEE PAYMENT | year of fee payment: 12 |
Oct 05, 2012 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Oct 06, 2008 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Oct 04, 2005 | CC | CERTIFICATE OF CORRECTION | |
Apr 05, 2005 | I | Issuance | |
Mar 16, 2005 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Aug 22, 2002 | P | Published | |
Feb 22, 2002 | F | Filing | |
Feb 22, 2002 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:THOMAS, ROBERT J.;VANDENBERGHE, TERRY M.;CARROLL, MATTHEW S.;REEL/FRAME:012643/0388 Owner name: CUMMINS ENGINE COMPANY, INC., INDIANA Effective Date: Feb 22, 2002 |
Feb 22, 2001 | PD | Priority Date |

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