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James N. Usko
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North Granby, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-cycle, engine braking with positive power valve actuation con...
Patent number
RE39258
Issue date
Sep 5, 2006
Jacobs Vehicle Systems, Inc.
Gheorghe Cosma
123 - Internal-combustion engines
Information
Patent Grant
Hydraulic lash adjuster with compression release brake
Patent number
6,718,940
Issue date
Apr 13, 2004
Diesel Engine Retarders, Inc.
James N. Usko
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Apparatus and method to supply oil, and activate rocker brake for m...
Patent number
6,394,067
Issue date
May 28, 2002
Diesel Engine Retardersk, Inc.
James N. Usko
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Exhaust and intake rocker arm assemblies for modifying valve lift a...
Patent number
6,354,254
Issue date
Mar 12, 2002
Diesel Engine Retarders, Inc.
James N. Usko
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Multi-cycle, engine braking with positive power valve actuation con...
Patent number
6,000,374
Issue date
Dec 14, 1999
Diesel Engine Retarders, Inc.
Gheorghe Cosma
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Camless engines with compression release braking
Patent number
5,619,965
Issue date
Apr 15, 1997
Diesel Engine Retarders, Inc.
Gheorghe Cosma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Electronically controlled compression release engine brakes
Patent number
5,537,975
Issue date
Jul 23, 1996
Diesel Engine Retarders, Inc.
Gheorghe Cosma
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Compact combined lash adjuster and reset mechanism for compression...
Patent number
5,460,131
Issue date
Oct 24, 1995
Diesel Engine Retarders, Inc.
James N. Usko
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
System and method of supplying hydraulic fluid
Publication number
20060054405
Publication date
Mar 16, 2006
Dennis R. Custer
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Rocker arm system for engine valve actuation
Publication number
20050274341
Publication date
Dec 15, 2005
James N. Usko
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES