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Pao C. Pien
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Marco Island, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Two-stroke, homogeneous charge, spark-ignition engine
Patent number
7,640,911
Issue date
Jan 5, 2010
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Over expanded two-stroke engines
Patent number
7,114,485
Issue date
Oct 3, 2006
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Over expanded limited-temperature cycle two-stroke engines
Patent number
6,848,416
Issue date
Feb 1, 2005
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Engine having piston-cam assembly powertrain
Patent number
6,799,542
Issue date
Oct 5, 2004
Pao C. Pien
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Compound cycle internal combustion engine
Patent number
6,481,206
Issue date
Nov 19, 2002
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Piston engine powertrain
Patent number
6,422,196
Issue date
Jul 23, 2002
Pao Chi Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Piston-cylinder assembly and drive transmitting means
Patent number
5,803,039
Issue date
Sep 8, 1998
Pao Chi Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Piston-cylinder assembly and drive transmitting means
Patent number
5,626,113
Issue date
May 6, 1997
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Universal contraceptive and prophylactic device
Patent number
5,327,911
Issue date
Jul 12, 1994
Pao C. Pien
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Multi-fuel compression-ignition engine and fuel injection pump ther...
Patent number
RE34252
Issue date
May 18, 1993
Pao C. Pien
123 - Internal-combustion engines
Information
Patent Grant
Hot pilot fuel ignited internal combustion engine and method of ope...
Patent number
5,163,397
Issue date
Nov 17, 1992
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Internal combustion engine
Patent number
5,072,699
Issue date
Dec 17, 1991
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Multi-fuel compression-ignition engine and fuel injection pump ther...
Patent number
5,024,195
Issue date
Jun 18, 1991
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Semi-tandem marine propeller
Patent number
4,306,839
Issue date
Dec 22, 1981
The United States of America as represented by the Secretary of the Navy
Pao C. Pien
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
Information
Patent Application
Two-stroke, homogeneous charge, spark-ignition engine
Publication number
20090056687
Publication date
Mar 5, 2009
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Over expanded two-stroke engines
Publication number
20050155569
Publication date
Jul 21, 2005
Pao C. Pien
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Application
Engine having piston-cam assembly powertrain
Publication number
20040084007
Publication date
May 6, 2004
Pao C. Pien
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES